Diagnostic Routines
WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NO FORWARD ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 201 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test J . Repair as required. Clear the DTCs, road test and carry out OBD test again. | |
| Selector Lever Cable | ||
| Selector lever cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressure | ||
| Low pressure | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow the pressure diagnosis test as required. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged, blown out, leaking | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| PCA damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new PCA or solenoid body assembly. If misassembled, reassemble correctly. | |
| Overdrive (O/D) One-Way Clutch (OWC) | ||
| Rocker clutch engaged in both directions, struts missing, OWC damaged | Inspect for rotation in one direction only. Rocker clutch should overrun in the opposite direction. Install new if damaged or fails inspection. | |
| Center Support | ||
| Feed bolt not tightened to specification | Tighten to specification. | |
| Forward clutch seal rings damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse OWC | ||
| Rocker clutch engaged in both directions, struts missing, OWC damaged | Inspect for rotation in one direction only. Rocker clutch should overrun in the opposite direction. Install new if damaged or fails inspection. | |
NO REVERSE ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 202 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test J . Repair as required. Clear the DTCs, road test and carry out OBD test. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressure | ||
| Low pressure | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow the pressure diagnosis test as required. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged, blown out, leaking | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| PCA damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new PCA or solenoid body assembly. If misassembled, reassemble correctly. | |
| Center Support | ||
| Feed bolt not tightened to specification | Tighten to specification. | |
| Direct clutch seal rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return spring damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH REVERSE ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 203 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA), low/reverse solenoid Shift Solenoid Pressure Control E (SSPCE), Power Take-Off (PTO) input to PCM | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test J . Repair as required. Clear the DTCs, road test and rerun OBD test. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressure | ||
| High pressure | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow the pressure diagnosis test as required. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| PCA, SSPCE damaged, stuck or bore damaged. Manual valve or solenoid damaged, stuck or bore damaged | If damaged or parts are missing, install a new PCA or solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. Repair as necessary. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. Repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Repair as necessary. If damaged, install a new pump. | |
| Control valves, springs or seal damaged, stuck or not assembled correctly | Inspect for damage. Repair as necessary. If damaged, install a new seal or pump assembly. | |
| Center Support | ||
| Feed bolt not tightened to specification | Tighten to specification. | |
| Forward clutch seal rings damaged | Inspect for damage. Repair as necessary. | |
| Center support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH FORWARD ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 204 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, transmission internal harness | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. Repair as required. Clear the DTCs, road test and rerun OBD test. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressure | ||
| High pressure | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow the pressure diagnosis test as required. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoids damaged, stuck or bore damaged. Manual valve or solenoid damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. Repair as necessary. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. Repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Repair as necessary. If damaged, install a new pump. | |
| Control valves, springs or seal damaged, stuck or not assembled correctly | Inspect for damage. Repair as necessary. If damaged, install a new seal or pump assembly. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
DELAYED OR SOFT REVERSE ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 205 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA), low/reverse solenoid Shift Solenoid Pressure Control E (SSPCE) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test J . Repair as required. Clear the DTCs, road test and rerun OBD test. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressure | ||
| Low pressure | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow the pressure diagnosis test as required. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| PCA, Shift Solenoid Pressure Control E (SSPCE) solenoid damaged, stuck or bore damaged. Manual valve or solenoid damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid or solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. Repair as necessary. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. Repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Repair as necessary. If damaged, install a new pump. | |
| Control valves, springs or seal damaged, stuck or not assembled correctly | Inspect for damage. Repair as necessary. If damaged, install a new seal or pump assembly. | |
| Center Support | ||
| Feed bolt not tightened to specification | Tighten to specification. | |
| Forward clutch seal rings damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
DELAYED OR SOFT FORWARD ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 206 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| PCA damaged, stuck or bore damaged. Manual valve or solenoid damaged, stuck or bore damaged | If damaged or parts are missing, install a new PCA or solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. Repair as necessary. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. Repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Repair as necessary. If damaged, install a new pump. | |
| Control valves, springs or seal damaged, stuck or not assembled correctly | Inspect for damage. Repair as necessary. If damaged, install a new seal or pump assembly. | |
| Overdrive (O/D) One-Way Clutch (OWC) | ||
| Rocker clutch engaged in both directions, struts missing, OWC damaged | Inspect for rotation in one direction only. Rocker clutch should overrun in the opposite direction. Install a new OWC if damaged or fails inspection. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse OWC | ||
| Rocker clutch engaged in both directions, struts missing, OWC damaged | Inspect for rotation in one direction only. Rocker clutch should overrun in the opposite direction. Install a new OWC if damaged or fails inspection. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
NO FORWARD AND NO REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 207 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test J . Repair as required. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust to the correct level. Refer to Preliminary Inspection . | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressure | ||
| Low pressure | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow the pressure diagnosis test as required. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| PCA damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged. Line pressure blowoff valve damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Input Shaft | ||
| Shaft damaged | Inspect for damage. Repair as necessary. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. If damaged, install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly, skill orifice plugged, Line Pressure Control (LPC) air bleed plugged | Inspect for damage. If damaged, install a new seal or pump assembly. | |
| Center Shaft Assembly | ||
| Shaft damaged. | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) One-Way Clutch (OWC) damaged | Inspect for damage. Repair as necessary. | |
| Center Support | ||
| Feed bolt not tightened to specification | Tighten to specification. | |
| Forward clutch seal rings damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Output Shaft | ||
| Shaft damaged | Inspect for damage. Repair as necessary. | |
| Torque Converter | ||
| Flexplate, adapter plate, turbine hub or impeller hub damaged | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
HARSH FORWARD AND HARSH REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 208 - ROUTINE | ||
| Powertrain Control System | ||
|
NOTE:
The battery being disconnected or a PCM reflash will cause firm engagements. PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA), Torque Converter Clutch (TCC), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Transmission Fluid Temperature (TFT) and Transmission Range (TR) sensors, Intake Air Temperature (IAT), Engine Coolant Temperature (ECT), Power Take-Off (PTO) |
Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. If the battery has been disconnected or the PCM has been reflashed, carry out the engagement schedule update. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F , Go to Pinpoint Test G , go to Pinpoint Test H , go to Pinpoint Test I and Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressures | ||
| High pressures | Check line pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow pressure diagnosis and repair as required. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| PCA, TCC solenoid(s) damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged. Blowoff valve damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly, blowoff valve damaged | Inspect for damage. Install a new seal or pump assembly. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
DELAYED FORWARD AND DELAYED REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 209 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA), Intake Air Temperature (IAT), Engine Coolant Temperature (ECT) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressures | ||
| Low pressures | Check line pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow pressure diagnosis and repair as required. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOME/ALL SHIFTS MISSING
| Possible Component | Reference/Action | |
|---|---|---|
| 210 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control A (SSPCA), Shift Solenoid Pressure Control B (SSPCB), Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Shift Solenoid Pressure Control E (SSPCE), Torque Converter Clutch (TCC), Pressure Control Solenoid A (PCA), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor, Accelerator Pedal Position (APP) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G , go to Pinpoint Test H , go to Pinpoint Test I and Go to Pinpoint Test J . Repair as necessary. Clear DTCs, road test and rerun OBD test. | |
| Some Shifts Missing Only | ||
| If only some shifts are missing, determine which shift(s) do not occur. Use the Band, Clutch, Solenoid, Switch Application Chart and monitor the appropriate PIDs. Refer to Special Testing Procedures . | ||
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new drum. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) One-Way Clutch (OWC) | ||
| Mechanical diode engaged in both directions, struts missing, OWC damaged | Inspect for rotation in one direction only, mechanical diode should overrun in the opposite direction. Install a new OWC if damaged or fails inspection. | |
| O/D Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Cup plug missing, plugged or damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a center support assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse OWC | ||
| Mechanical diode engaged in both directions, struts missing, OWC damaged | Inspect for rotation in one direction only, mechanical diode should overrun in the opposite direction. Install a new OWC if damaged or fails inspection. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new transmission case if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Torque Converter | ||
| Internal failure | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
TIMING CONCERNS - EARLY/LATE
| Possible Component | Reference/Action | |
|---|---|---|
| 211- ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, tow/haul switch, Accelerator Pedal Position (APP) sensor, Intake Air Temperature (IAT) sensor, Engine Coolant Temperature (ECT) sensor, Four-Wheel Drive (4WD) switch | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Some Shifts Early/Late Only | ||
| If only some shifts are early/late, determine which shift(s) is missing. | ||
Refer to the following routine(s) for further Soft/Slipping Shift concerns:
|
||
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump assembly. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a center support assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new transmission case if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
TIMING CONCERNS - ERRATIC/HUNTING (SOME/ALL)
| Possible Component | Reference/Action | |
|---|---|---|
| 212 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control A (SSPCA), Shift Solenoid Pressure Control B (SSPCB), Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Shift Solenoid Pressure Control E (SSPCE), Pressure Control Solenoid A (PCA), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor, tow/haul switch, Accelerator Pedal Position (APP) sensor, Brake Pedal Position (BPP) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM, APP and BPP sensors. | |
| Failure Mode Effect Management enabled, refer to routine 265 | For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G , go to Pinpoint Test H , go to Pinpoint Test I and Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid(s) damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Further Diagnosis | ||
| For further diagnosis for timing issues, refer to Reference/Actions | Refer to the following routine(s) for specific diagnosis:
|
|
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or pocket damaged | Inspect for damage. Install a new pump assembly. | |
| Control valves, springs or seal damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new drum. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a center support assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new transmission case if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
FEEL - SOFT/SLIPPING (SOME/ALL)
| Possible Component | Reference/Action | |
|---|---|---|
| 213 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Pressure Control Solenoid A (PCA), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test D and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test I and Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Some Shifts Soft/Slipping Only | ||
| If only some of the shifts are soft/slipping, determine which shift(s) is missing. | ||
Refer to the following routine(s) for further Soft/Slipping concerns:
|
||
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump assembly. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
FEEL - HARSH (SOME/ALL)
| Possible Component | Reference/Action | |
|---|---|---|
| 214- ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Some Shifts Harsh Only | ||
| If only some of the shifts are harsh, determine which shift(s) is missing. | ||
Refer to the following routine(s) for further Harsh Shift concerns:
|
||
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Torque Converter | ||
| Internal failure | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. Refer to Routine 251: Torque Converter Clutch (TCC) always applied/stalls vehicle. | |
NO FIRST GEAR IN DRIVE, ENGAGES IN A HIGHER GEAR
| Possible Component | Reference/Action | |
|---|---|---|
| 215 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Pressure Control Solenoid A (PCA) (shorted to ground), Torque Converter Clutch (TCC) (shorted to ground), Turbine Shaft Speed (TSS) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test D and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test I and Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| O/D One-Way Clutch (OWC) | ||
| Rocker clutch engaged in both directions, struts missing, OWC damaged | Inspect for rotation in one direction only. Rocker clutch should overrun in the opposite direction. Install a new OWC if damaged or fails inspection. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Low/Reverse OWC | ||
| Rocker clutch engaged in both directions, struts missing, OWC damaged | Inspect for rotation in one direction only. Rocker clutch should overrun in the opposite direction. Install a new OWC if damaged or fails inspection. | |
| Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a case if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Torque Converter | ||
| Failure Mode Effect Management default mode applying the torque converter clutch | Refer to Failure Mode Effect Management Routine 265. | |
NO FIRST GEAR IN MANUAL 1 POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 216 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| O/D One-Way Clutch (OWC) Assembly | ||
| Worn, damaged or not assembled correctly | Inspect for damage. Repair as necessary. | |
| Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
NO SECOND GEAR IN MANUAL 2 POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 217 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Input Shaft | ||
| Shaft damaged | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) Clutch Assembly (failed off) | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
NO THIRD GEAR IN MANUAL 3 POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 218 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new drum assembly. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 1-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 226 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB) (overdrive clutch control solenoid), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Shift Solenoid Pressure Control C (SSPCC) damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 2-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 227 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Shift Solenoid Pressure Control C (SSPCC), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB, SSPCC damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 3-5 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 228 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control C (SSPCC),Shift Solenoid Pressure Control D (SSPCD), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCC, SSPCD damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Center Support | ||
| Feed bolt not tightened to specification | Tighten to specification. | |
| Forward clutch seal rings damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 4-6 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 229 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCC, SSPCD damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new drum. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 5-6 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 230 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A . For diesel engines Go to Pinpoint Test F . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 6-5 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 231 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 6-4 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 232 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCC, SSPCD damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 5-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 233 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCC, SSPCD damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new drum. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 3-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 234 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Shift Solenoid Pressure Control C (SSPCC), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB, SSPCC damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
SOFT/SLIPPING 2-1 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 235 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump assembly if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 1-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 236 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 2-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 237 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Shift Solenoid Pressure Control C (SSPCC), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB, SSPCC, TCC solenoid(s) damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new drum. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 3-5 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 238 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCC, SSPCD, TCC solenoid damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 4-6 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 239 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCC, SSPCD, TCC solenoid(s) damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 5-6 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 240 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB, TCC solenoid damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 6-5 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 241 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB, TCC solenoid damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 6-4 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 242 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCC, SSPCD, TCC solenoid(s) damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 5-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 243 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCC, SSPCD TCC solenoid(s) damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 3-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 244 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Shift Solenoid Pressure Control C (SSPCC), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB, SSPCD, TCC solenoid(s) damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 2-1 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 245 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Fluid Temperature (TFT) sensor | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 6-5 COAST DOWNSHIFT IN TOW/HAUL MODE
| Possible Component | Reference/Action | |
|---|---|---|
| 246 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control A (SSPCA), Shift Solenoid Pressure Control B (SSPCB), Torque Converter Clutch (TCC) solenoid | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A . For diesel engines Go to Pinpoint Test F . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Condition | Carry out Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCA, SSPCB, TCC solenoid(s) damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
HARSH 5-3 COAST DOWNSHIFT IN TOW/HAUL MODE OR TO MANUAL THIRD
| Possible Component | Reference/Action | |
|---|---|---|
| 247 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control A (SSPCA), Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Torque Converter Clutch (TCC) solenoid(s), Turbine Shaft Speed (TSS)/intermediate shaft speed sensors, Transmission Fluid Temperature (TFT) sensor, Power Take-Off (PTO) input | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCA, SSPCC, SSPCD, TCC solenoid(s) damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Torque Converter | ||
| Internal failure | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
HARSH 3-2 COAST DOWNSHIFT IN TOW/HAUL MODE OR TO MANUAL SECOND
| Possible Component | Reference/Action | |
|---|---|---|
| 248 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control E (SSPCE), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensors, Transmission Fluid Temperature (TFT) sensor, Power Take-Off (PTO) input | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCB, SSPCC, SSPCE, Turbine Shaft Speed (TSS) solenoid(s) damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new center support if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Torque Converter | ||
| Internal failure | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
HARSH 2-1 COAST DOWNSHIFT IN TOW/HAUL MODE OR TO MANUAL FIRST
| Possible Component | Reference/Action | |
|---|---|---|
| 249 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control A (SSPCA), Shift Solenoid Pressure Control B (SSPCB), Torque Converter Clutch (TCC) solenoid, Turbine Shaft Speed (TSS)/intermediate shaft speed sensors, Transmission Fluid Temperature (TFT) sensor, Power Take-Off (PTO) input | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G and Go to Pinpoint Test I . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Line Pressures | ||
| High pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCA, SSPCB, TSS damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Overdrive (O/D) Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new pump if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
| Reverse Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Filtered orifice damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new case if damaged. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Snap ring for OWC and/or return spring not seated or damaged | Inspect for damage. Repair as necessary. | |
TORQUE CONVERTER CLUTCH (TCC) DOES NOT APPLY
| Possible Component | Reference/Action | |
|---|---|---|
| 250 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal wiring harness, Pressure Control Solenoid A (PCA), Torque Converter Clutch (TCC), Transmission Fluid Temperature (TFT), Transmission Range (TR) sensor, Output Shaft Speed (OSS) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G , go to Pinpoint Test H , go to Pinpoint Test I and Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Incorrect Line Pressures | ||
| Low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| SSPCA, SSPCB, TCC solenoid(s) damaged, misassembled, missing, stuck or bore damaged. Manual valve damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, converter charge limit valve, converter pressure regulator valve springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Torque Converter | ||
| Internal failure preventing TCC to apply | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
TORQUE CONVERTER CLUTCH (TCC) ALWAYS APPLY/STALLS VEHICLE
| Possible Component | Reference/Action | |
|---|---|---|
| 251 - ROUTINE | ||
| Powertrain Control System | ||
| Torque Converter Clutch (TCC) Solenoid | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A . For diesel engines Go to Pinpoint Test F . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Incorrect Line Pressures | ||
| High TCC pressure | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| TCC solenoid damaged, misassembled, missing, stuck or bore damaged. Manual valve damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, converter charge limit valve, converter pressure regulator valve springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Torque Converter | ||
| Internal failure preventing TCC from applying | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
TORQUE CONVERTER CLUTCH (TCC) CYCLING, SHUDDER, CHATTER
| Possible Component | Reference/Action | |
|---|---|---|
| 252 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal wiring harness, Pressure Control Solenoid A (PCA), Torque Converter Clutch (TCC), Brake Pedal Position (BPP), Engine Coolant Temperature (ECT) sensors, tow/haul switch | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Incorrect Line Pressures | ||
| High/low TCC pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| PCA, TCC solenoid(s) damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears and/or gear pocket damaged | Inspect for damage. Install a new pump. | |
| Control valves, converter charge limit valve, converter pressure regulator valve springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or pump assembly. | |
| Torque Converter | ||
| Internal components failure preventing TCC from releasing | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
ERRATIC TORQUE CONVERTER CLUTCH (TCC) SCHEDULING
| Possible Component | Reference/Action | |
|---|---|---|
| 253 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal wiring harness, Torque Converter Clutch (TCC) solenoid, Output Shaft Speed (OSS) sensor, Transmission Range (TR) sensor, Accelerator Pedal Position (APP) sensor, Brake Pedal Position (BPP) sensor, Engine Coolant Temperature (ECT) sensor, Power Take-Off (PTO) input, Four-Wheel Drive (4WD) switch, tow/haul switch Transmission Fluid Temperature (TFT) sensor, Failure Mode Effect Management enabled causing the TCC to engage, disengage then engage. DTC P0741 present | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test B . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test G . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| TCC solenoid damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Torque Converter | ||
| Internal component failure | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
SHIFT LEVER EFFORT HIGH
| Possible Component | Reference/Action | |
|---|---|---|
| 254 - ROUTINE | ||
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Transmission Range (TR) Sensor Assembly | ||
| TR sensor assembly damaged, manual control valve inner lever pin bent or inner lever damaged | Inspect and repair as necessary. Refer to Digital Transmission Range (TR) Sensor . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Contamination | Disassemble and clean. | |
| Manual control valve damaged, misassembled, stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Transmission Case | ||
| Manual control lever assembly damaged, manual control valve inner lever pin bent, manual control valve inner lever damaged, spring rod damaged | Inspect parts for damage. Install new parts if damaged. | |
| Manual control lever assembly pin incorrectly installed | Inspect parts. If parts are found to be installed incorrectly, refer to Transmission . | |
| Park pawl incorrectly installed | Inspect parts. If parts are found to be installed incorrectly, refer to Transmission . | |
EXTERNAL LEAKS
| Possible Component | Reference/Action | |
|---|---|---|
| 255 - ROUTINE | ||
| Powertrain Control System | ||
| Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, transmission vehicle harness connector | Inspect for leakage. If areas around sensor or transmission vehicle harness connector show signs of leakage, install a new sensor O-ring seal. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Transmission External Remote Filter | ||
| Inspect for leakage. If damaged, repair as necessary. | ||
| Incorrect Line Pressures | ||
| High/low pressures | Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures . | |
| Solenoid Body Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Filter gasket damaged | Inspect for damage. If damaged, install a new filter gasket. | |
| Contamination | Disassemble and clean. | |
| Solenoid(s) damaged, stuck or bore damaged. Manual valve stuck or bore damaged | If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| O-ring damaged | Inspect for damage. If damaged, install a new O-ring. | |
| Porosity | Inspect for damage. If damaged, repair as necessary. | |
| Transmission Case Assembly | ||
| Case vent damaged, case porosity | Inspect for damage. If damaged, repair as necessary. | |
| Seals/Gaskets | ||
| Leakage at gaskets, seals | Refer to Leakage Inspection . Remove all traces of lubricant on exposed surface of the transmission. Repair as necessary. | |
DRIVEABILITY CONCERNS
| Possible Component | Reference/Action | |
|---|---|---|
| 256 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, transmission pressure control solenoids, Torque Converter Clutch (TCC) solenoid, Output Shaft Speed (OSS), Transmission Fluid Temperature (TFT) sensors, tow/haul switch, Accelerator Pedal Position (APP), Intake Air Temperature (IAT), Engine Coolant Temperature (ECT) sensors | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test D and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G , go to Pinpoint Test I and Go to Pinpoint Test J . Repair as necessary. Clear the DTCs, road test and rerun OBD test. | |
| Torque Converter | ||
| Torque converter internal components damaged | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
| Incorrect torque converter used in overhaul | Inspect for correct torque converter assembly. If not correct, install a new or remanufactured torque converter. | |
NOTE:
NVH symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to NOISE, VIBRATION AND HARSHNESS
article. Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to NOISE, VIBRATION AND HARSHNESS
article for the next likely system and continue diagnosis.
NVH FORWARD OR REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 257 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, Power Take-Off (PTO) assembly | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. Repair as required. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Partially blocked internal or external filter | Inspect the filters, clean or install new filters as necessary. | |
| Partially blocked internal filter | Inspect the filter, clean or install a new filter as necessary. | |
| Incorrect clutch apply pressure | Carry out the line pressure tests. Repair or install new components as necessary. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned, grounding out | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole gears cracked or seized | Inspect for damage. If damaged, repair as necessary. | |
| One-Way Clutch (OWC) | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
| Other | ||
| Transmission fluid cooling tubes, transmission fluid fill tube grounding, driveshaft damaged | Relocate transmission fluid cooling tubes or transmission fluid fill tube correctly. Inspect for damage. Repair as necessary. | |
| Inspection cover loose | Tighten to specifications. | |
| Gears | ||
| Gear noise | Inspect for damage. Repair as necessary. | |
| Main Control Solenoids or Valves | ||
| Worn or damaged main control solenoids or valves | Using a scan tool, activate the solenoids to duplicate the sound. Repair as necessary. | |
| Torque Converter Assembly | ||
| Flexplate, torque converter assembly damaged | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
| Transmission Insulator and Retainer | ||
| Transmission insulator and retainer bound or grounding out | Inspect the insulator and retainer. Neutralize the powertrain mounts. Refer to NOISE, VIBRATION AND HARSHNESS article. | |
| Transmission insulator and retainer broken or fasteners loose | Install a new insulator and retainer as necessary. Tighten to specification. Refer to Transmission Insulator and Retainer . | |
NOTE:
If the battery has been disconnected or is dead, the transmission shifts and engagements will feel firm. Carry out Routine 267.
ENGINE WILL NOT CRANK
| Possible Component | Reference/Action | |
|---|---|---|
| 258 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, vehicle starter transmission internal harness, Transmission Range (TR) sensor, Passive Anti-Theft System (PATS) module | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test C . For diesel engines Go to Pinpoint Test H . Check PIDs for TR, PARK and NEUTRAL. Repair as required. Clear the DTCs, road test and carry out OBD test again. | |
| Engine Components | ||
| Sensors, solenoids, fan clutch damages, shorted to power or ground | Refer to ENGINE - 6.4L DIESEL article for engine concerns. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article. Refer to the Wiring Diagrams. | |
| Vehicle Starter | ||
| Starter damaged | Inspect and repair as necessary. Refer to STARTING SYSTEM - DIESEL ENGINE article. | |
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| TR Sensor Assembly | ||
| TR assembly damaged | Inspect and repair as necessary. | |
| Fluid Pump Assembly | ||
| Internal parts seized | Inspect for damage and repair as necessary. | |
| Torque Converter | ||
| Flexplate damaged | Inspect for damage and repair as necessary. | |
NO PARK RANGE
| Possible Component | Reference/Action | |
|---|---|---|
| 259 - ROUTINE | ||
| Selector Lever Cable | ||
| Cable system damaged, misaligned | Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. | |
| Transmission Range (TR) Sensor Assembly | ||
| TR assembly damaged | Inspect and repair as necessary. | |
| Transmission Case | ||
| Manual control lever assembly damaged, manual control valve inner lever pin bent, manual control valve inner lever damaged, spring rod damaged | Inspect for damage. If damaged, install new components. | |
| Manual control valve lever shaft retaining pin damaged | Inspect for damage. If damaged, repair as necessary. | |
| Park System | ||
| Park gear, park pawl, park pawl return spring, park or guide plate, park actuating rod, park pawl shaft, manual lever, manual lever detent spring damaged or misassembled | Inspect for damage. Repair as necessary. | |
| External linkages/brackets damaged | Inspect for damage. Repair as necessary. | |
NOTE:
Failure Mode Effect Management may be enabled, refer to Routine 266.
TRANSMISSION OVERHEATING
| Possible Component | Reference/Action | |
|---|---|---|
| 260 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, Pressure Control Solenoid A (PCA), Torque Converter Clutch (TCC) solenoid | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test F and Go to Pinpoint Test J . Repair as required. Clear the DTCs, road test and rerun OBD test. | |
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Transmission External Remote Filter | ||
| Inspect for leakage. If damaged, repair as necessary. | ||
| Fluid Pump Assembly | ||
| Bolts not tightened to specification | Tighten to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, cup plug missing, plugged hole gears cracked or seized | Inspect for damage. If damaged, repair as necessary. | |
| Control valves and springs or seal damaged, misassembled or stuck | If damaged or parts are missing, install a new seal or pump assembly. If misassembled, reassemble correctly. | |
| Transmission Case | ||
| Case vent damaged | Inspect for damage. If damaged, repair as necessary. | |
| Torque Converter | ||
| Torque converter One-Way Clutch (OWC) seized | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
| Excessive torque converter slip detected | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter. | |
| Other | ||
| Restriction in transmission cooling system | Check transmission cooling system efficiency. Refer to TRANSAXLE/TRANSMISSION COOLING article. | |
| Excessive trailer tow load | Refer to the towing manual. | |
| Engine driveability concerns | Check engine driveability concerns. Refer to ELECTRONIC ENGINE CONTROLS - GASOLINE ENGINES article and ELECTRONIC ENGINE CONTROLS - DIESEL ENGINE article. | |
| Vehicle heat shields missing or damaged | Inspect for damage. If damaged, repair as necessary. | |
| Vehicle air flow restricted | Inspect for damage. If damaged, repair as necessary. | |
FLUID VENTING OR FOAMING
| Possible Component | Reference/Action | |
|---|---|---|
| 261 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | Adjust transmission fluid to the correct level. Refer to Preliminary Inspection . | |
| Condition | Inspect transmission fluid, see Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Transmission Case Assembly | ||
| Case vent damaged | Inspect for damage. Repair as necessary. | |
| Other | ||
| Transmission overheating | Refer to Routine 260. | |
UNEXPECTED ELEVATED IDLE SPEED
| Possible Component | Reference/Action | |
|---|---|---|
| 262 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, internal transmission wiring harness, Shift Solenoid Pressure Control A (SSPCA), Transmission Solenoid Power Control driver circuit, Torque Converter Clutch (TCC) solenoid, Output Shaft Speed (OSS), Transmission Fluid Temperature (TFT), Transmission Range (TR) sensors Power Take-Off (PTO) input | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test F , go to Pinpoint Test G , go to Pinpoint Test H and Go to Pinpoint Test I . | |
| Failure Mode Effect Management has been enabled. Refer to Routine 266 | Repair as required. Clear the DTCs, road test and rerun OBD test. | |
| PTO Module Assembly | ||
| Module damaged | Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosing and testing the PTO module. | |
NO TOW/HAUL MODE
| Possible Component | Reference/Action | |
|---|---|---|
| 263 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, internal transmission wiring harness, tow/haul switch, Transmission Control Indicator Lamp (TCIL) | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. Repair as required. Clear the DTCs, road test and rerun OBD test. | |
REVERSE LAMPS DO NOT ILLUMINATE
| Possible Component | Reference/Action | |
|---|---|---|
| 264 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, internal transmission wiring harness, Transmission Range (TR) sensor, reverse lamps | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test C . For diesel engines Go to Pinpoint Test H . Repair as required. Clear the DTCs, road test and rerun OBD test. | |
TRANSMISSION FAILURE MODE EFFECTS MANAGEMENT, SHIFT CONCERNS: ERRATIC/HUNTING OR ERRATIC SCHEDULING
| Possible Component | Reference/Action | |
|---|---|---|
| 265 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor, Transmission Control Indicator Lamp (TCIL), tow/haul switch, Transmission Solenoid Power Control driver circuit | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. For gasoline engines Go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . For diesel engines Go to Pinpoint Test G , go to Pinpoint Test H , go to Pinpoint Test I and Go to Pinpoint Test J . Repair as required. Clear the DTCs, road test and rerun OBD test. Refer to Routine 212. | |
The transmission Failure Mode Effects Management serves 3 purposes:
|
When failures occur the customer may complain of erratic shifting or transmission hanging in gear. This is normal for the Failure Mode Effects Management strategy. Determine which gears are being commanded, and which gears are being avoided, and this will in turn point to a specific pressure switch, solenoid or clutch fault. | |
POWER TAKE-OFF (PTO) CONCERNS
| Possible Component | Reference/Action | |
|---|---|---|
| 266 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission internal harness, Power Take-Off (PTO) switch, PTO input, park brake switch, Brake Pedal Position (BPP), Transmission Fluid Temperature (TFT), Turbine Shaft Speed (TSS) sensors required for correct elevated idle and Torque Converter Clutch (TCC) engagements in PARK and NEUTRAL and for correct line pressure | Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article for diagnosis and testing of the PCM. Failure Mode Effects Management Go to Pinpoint Test B and Go to Pinpoint Test D . For diesel engines Go to Pinpoint Test G and Go to Pinpoint Test I . Repair as required. Clear the DTCs, road test and rerun OBD test. | |
ENGAGEMENT SCHEDULE UPDATE (DEAD BATTERY, DISCONNECTED BATTERY, CALIBRATION UPDATED)
| Possible Component | Reference/Action | |
|---|---|---|
| 267- ROUTINE | ||
| Battery | ||
| Any time the vehicle battery has been disconnected, a new PCM has been installed or the vehicle calibration has been reflashed the adaptive strategy for the "Engagement Schedule" will need to be updated. This will prevent the customer from returning with firm engagements |
NOTE:
All of the following engagements must be carried out in order for engagement pressures to correctly adapt with the new calibration. Once the vehicle's battery has been reconnected or the reprogramming is complete, the adaptive strategy for pressure control on engagements must be updated.
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