Diagnostic Routines

WARNING: This page is about a different car, the 2009 Mercury Milan and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

ENGAGEMENT CONCERN: NO FORWARD IN D ONLY

Possible Component		Reference/Action
201A - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harness, Shift Solenoid A (SEA) (off = low).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun on-board diagnostic test.
301A - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to the correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out the Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.
Case
	Damaged.	Inspect for damage. Repair as necessary.

ENGAGEMENT CONCERN: NO FORWARD ONLY (ALL POSITIONS)

Possible Component		Reference/Action
201B - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harness, Shift Solenoid A (SEA), Shift Solenoid B (SSB) and Shift Solenoid C (SSC).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
301B - HYDRAULIC/MECHANICAL ROUTINE
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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 Planetary Assembly
	Planetary damaged.	Inspect for damage. Repair as necessary.
Low One-Way Clutch (OWC)
	Worn, damaged or assembled incorrectly.	Inspect for damage. Repair as necessary.

ENGAGEMENT CONCERN: NO REVERSE

Possible Component		Reference/Action
202 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harness, Shift Solenoid A (SEA), Shift Solenoid B (SSB) and Shift Solenoid C (SSC).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
302 - HYDRAULIC/MECHANICAL ROUTINE
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Low/Reverse 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.
Reverse Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.

ENGAGEMENT CONCERN: HARSH REVERSE

Possible Component		Reference/Action
203 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harness, Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
303 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High pressures.	Check pressure at line tap.
		Carry out the Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specification.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Low/Reverse 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.
Reverse Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	Inspect for damage. Repair as necessary.
	Friction elements damaged or worn.	Inspect for damage. Repair as necessary.
	Return spring damaged.	Inspect for damage. Repair as necessary.

ENGAGEMENT CONCERN: HARSH FORWARD

Possible Component		Reference/Action
204A - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harness and Shift Solenoid A (SEA).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
304A - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High pressures.	Check pressure at line tap. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
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.

ENGAGEMENT CONCERN: HARSH FORWARD (MANUAL 1ST GEAR)

Possible Component		Reference/Action
204B - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harness, Turbine Shaft Speed (TSS) sensor.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test G .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
304B - HYDRAULIC/MECHANICAL ROUTINE
No Hydraulic/Mechanical Concerns.

ENGAGEMENT CONCERN: DELAYED/SOFT REVERSE ONLY

Possible Component		Reference/Action
205 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harness, Shift Solenoid B (SSB), Pressure Control Solenoid A (PCA).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
305 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Low/Reverse 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.

ENGAGEMENT CONCERN: DELAYED/SOFT FORWARD

Possible Component		Reference/Action
206 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harness, Shift Solenoid A (SEA), Pressure Control Solenoid A (PCA).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
306 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
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.

ENGAGEMENT CONCERNS: NO FORWARD AND NO REVERSE

Possible Component		Reference/Action
207 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM) and vehicle wiring harnesses (no electrical activity equals 3rd gear default).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Repair as required. Clear the DTCs, road test and rerun OBD test.
307 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Selector Lever Cable/Transmission Range (TR) Sensor
	Cable system or TR sensor damaged, misaligned.	Inspect and repair as required. For selector lever cable information, refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. For TR sensor information, refer to Transmission Range (TR) Sensor .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Torque Converter
	Damaged flexplate or adapter plate.	Inspect for damage. Carry out Torque Converter checks, refer to Torque Converter Contamination Inspection . Repair as necessary.
	Damaged impeller hub.	Inspect for damage. Repair as necessary.
	Damaged turbine hub.
Turbine Shaft
	Damaged.	Inspect for damage. If damaged, repair as necessary.
Pump assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. Repair as necessary.
Rear Planetary Assembly
	Planetary damaged.	Inspect for damage. If damaged, 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.
Forward Planetary Assembly
	Planetary damaged.	Inspect for damage. If damaged, repair as necessary.
Final drive gearset and differential
	Damaged.	Inspect for damage. If damaged, repair as necessary.
Low One-Way Clutch (OWC)
	Worn, damaged or assembled incorrectly.	Inspect for damage. Repair as necessary.

ENGAGEMENT CONCERNS: HARSH FORWARD AND REVERSE

Possible Component		Reference/Action
208 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor, Shift Solenoid A (SEA) and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test C .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
308 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Incorrect Pressures
	High pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
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.
Reverse and Low/Reverse Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
	One-Way Clutch (OWC).	Inspect for damage. Repair as necessary.

ENGAGEMENT CONCERNS: DELAYED/SOFT FORWARD AND REVERSE

Possible Component		Reference/Action
209 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor Shift Solenoid Pressure Control A (SSPCA) and Shift Solenoid Pressure Control B (SSPCB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test C .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
309 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Incorrect Pressures
	High pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. Repair as necessary.

SHIFT CONCERNS: SOME/ALL SHIFTS MISSING (AUTOMATIC MODE ONLY)

Possible Component		Reference/Action
210 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Intake Air Temperature (IAT) sensor, Output Shaft Speed (OSS) sensor input, Shift Solenoid A (SEA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Shift Solenoid F (SSF), Pressure Control Solenoid A (PCA) and Pressure Control Solenoid B (PCB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM, IAT and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test C and Go to Pinpoint Test D .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
310 - HYDRAULIC/MECHANICAL ROUTINE
Some Shifts Missing ONLY
		If only some of the shifts are missing, determine which shift(s) is missing.
		Refer to the following routine(s) for further No Shift Concerns: No 1-2 Shift, Routine 220/320 No 2-3 Shift, Routine 221/321 No 3-4 Shift, Routine 222/322 No 4-3 Shift, Routine 223/323 No 3-2 Shift, Routine 224/324 No 2-1 Shift, Routine 225/325
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Selector Lever Cable/TR Sensor
	Selector lever cable system or TR sensor damaged, misaligned.	Inspect and repair as required. For selector lever cable information, refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article. For TR sensor information, refer to Transmission Range (TR) Sensor .
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. Repair as necessary.
Direct Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
	Check balance dam.	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.
One-Way Clutch (OWC)
	Worn, damaged or assembled incorrectly.	Inspect for damage. Repair as necessary.
Servo
	Servo retaining ring damaged.	Inspect for damage. Repair as necessary.

SHIFT CONCERNS: TIMING CONCERNS - EARLY/LATE

Possible Component		Reference/Action
211 - ELECTRICAL ROUTINE
Powertrain Control System
	PCM, vehicle wiring harnesses, Output Shaft Speed (OSS) sensor, Turbine Shaft Speed (TSS) sensor, Shift Solenoid A (SEA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Shift Solenoid F (SSF) and Variable Force Solenoid (VFS).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the Transmission Control Module (TCM) and OSS sensor.
		Go to Pinpoint Test A and Go to Pinpoint Test G .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
311 - HYDRAULIC/MECHANICAL ROUTINE
Some Shifts Early/Late ONLY
		If only some of the shifts are early/late, determine which shift(s) is early/late.
		Refer to the following routine(s) for further Early/Late Shift Concerns: Soft/Slipping 1-2 Shift, Routine 226/326 Soft/Slipping 2-3 Shift, Routine 227/327 Soft/Slipping 3-4 Shift, Routine 228/328 Soft/Slipping 4-3 Shift, Routine 229/329 Soft/Slipping 3-2 Shift, Routine 230/330 Soft/Slipping 2-1 Shift, Routine 231/331
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Servo retaining ring damaged.	Inspect for damage. Repair as necessary.
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

SHIFT CONCERNS: TIMING CONCERNS - ERRATIC/HUNTING

Possible Component		Reference/Action
212 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Output Shaft Speed (OSS) sensor, Intake Air Temperature (IAT) sensor.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM, IAT and OSS sensor.
		Go to Pinpoint Test G . Repair as required. Clear the DTCs, road test and rerun OBD test.
312 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Further Diagnosis
	For further diagnosis of timing issues, refer to Reference/Actions.	Refer to the following routine(s) for specific shift diagnosis: No. 1-2 Shift, see Routine 220/330 No. 2-3 Shift, see Routine 221/331 No. 3-4 Shift, see Routine 222/332 No. 4-3 Shift, see Routine 223/323 No. 3-2 Shift, see Routine 224/324 No. 2-1 Shift, see Routine 225/325 Soft/Slip 1-2 Shift, see Routine 226/326 Soft/Slip 2-3 Shift, see Routine 227/327 Soft/Slip 3-4 Shift, see Routine 228/328 Soft/Slip 4-3 Shift, see Routine 229/329 Soft/Slip 3-2 Shift, see Routine 230/330 Soft/Slip 2-1 Shift, see Routine 231/331 Harsh 1-2 Shift, see Routine 232/332 Harsh 2-3 Shift, see Routine 233/333 Harsh 3-4 Shift, see Routine 224/334 Harsh 4-3 Shift, see Routine 235/335 Harsh 3-2 Shift, see Routine 236/336 Harsh 2-1 Shift, see Routine 237/337

SHIFT CONCERNS: FEEL - SOFT/SLIPPING

Possible Component		Reference/Action
213 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Fluid Temperature (TFT) sensor, Intake Air Temperature (IAT) sensor, Output Shaft Speed (OSS) sensor input, Shift Solenoid A (SEA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Shift Solenoid F (SSF), Variable Force Solenoid (VFS), Pressure Control Solenoid A (PCA) and PCB.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM, IAT sensor and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test D and Go to Pinpoint Test E .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
313 - HYDRAULIC/MECHANICAL ROUTINE
Some Shifts Soft/Slipping ONLY
		If only some of the shifts are soft/slipping, determine which shift(s) is soft/slipping.
		Refer to the following routine(s) for further Soft/Slipping Shift Concerns: Soft/Slipping 1-2 Shift, see Routine 226/326 Soft/Slipping 2-3 Shift, see Routine 227/327 Soft/Slipping 3-4 Shift, see Routine 228/328 Soft/Slipping 4-3 Shift, see Routine 229/329 Soft/Slipping 3-2 Shift, see Routine 230/330 Soft/Slipping 2-1 Shift, see Routine 231/331
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Incorrect Pressures
	High/Low Pressures.	Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Fluid Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. Repair as necessary.
Intermediate Servo
	Servo retaining ring damaged.	Inspect for damage. Repair as necessary.
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Intermediate Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.
Direct Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
	Check balance dam.	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.
Case
	Damaged.	Inspect for damage. Repair as necessary.

SHIFT CONCERNS: FEEL - HARSH

Possible Component		Reference/Action
214 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Fluid Temperature (TFT) sensor, Intake Air Temperature (IAT) sensor, Output Shaft Speed (OSS) sensor input, Shift Solenoid A (SEA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Shift Solenoid F (SSF), Variable Force Solenoid (VFS), Pressure Control Solenoid A (PCA) and Pressure Control Solenoid B (PCB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM, IAT sensor and OSS.
		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 .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
314 - HYDRAULIC/MECHANICAL ROUTINE
Some Shifts Harsh ONLY
		If only some of the shifts are harsh, determine which shift(s) is harsh.
		Refer to the following routine(s) for further Harsh Shift Concerns: Harsh 1-2 Shift, see Routine 232/332 Harsh 2-3 Shift, see Routine 233/333 Harsh 3-4 Shift, see Routine 234/334 Harsh 4-3 Shift, see Routine 235/335 Harsh 3-2 Shift, see Routine 236/336 Harsh 2-1 Shift, see Routine 237/337
Incorrect Pressures
	High/Low Pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Input Shaft
	Damaged.	Inspect for damage. Repair as necessary.
Servo
	Servo retaining ring damaged.	Inspect for damage. Repair as necessary.
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
Final Drive Gears and Differential
	Damaged.	Inspect for damage. Repair as necessary.
Case
	Damaged.	Inspect for damage. Repair as necessary.

SHIFT CONCERNS: NO 1ST GEAR IN DRIVE, ENGAGES IN A HIGHER GEAR

Possible Component		Reference/Action
215 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor and Shift Solenoid A (SEA).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A and Go to Pinpoint Test C .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
315 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Refer to the Band/Clutch Chart in specification to determine which gears are on. Follow the diagnostic routines to repair the missing gears.
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Low One-Way Clutch (OWC)
	Worn, damaged or assembled incorrectly.	Inspect for damage. Repair as necessary.

SHIFT CONCERNS: NO 1ST GEAR IN MANUAL LOW

Possible Component		Reference/Action
216 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM) and vehicle wiring harnesses.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Repair as required. Clear the DTCs, road test and rerun OBD test.
316 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Refer to the Band/Clutch Chart in specification to determine which gears are on. Follow the diagnostic routines to repair the missing gears.
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Low/Reverse Clutch Assembly
	Seals.	Inspect for damage. If damaged, repair as necessary.
	Friction plates.	Inspect for damage. Repair as necessary.
	Return spring.	Inspect for damage. Repair as necessary.
OD Planetary Assembly
	Planetary damaged.	Inspect for damage. If damaged, repair as necessary.

SHIFT CONCERNS: NO MANUAL 2ND GEAR

Possible Component		Reference/Action
217 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
317 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Servo retaining ring damaged.	Inspect for damage. Repair as necessary.
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.
Low/Direct One-Way Clutch (OWC)
	Worn, damaged or assembled incorrectly.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: NO 1-2 SHIFT

Possible Component		Reference/Action
220 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Output Shaft Speed (OSS) sensor, Transmission Range (TR) sensor, Turbine Shaft Speed (TSS) sensor and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM, Intake Air Temperature (IAT) sensor and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test C and Go to Pinpoint Test E .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
320 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.
OD Planetary Assembly
	Planetary damaged.	Inspect for damage. If damaged, repair as necessary.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.

SHIFT CONCERN: NO 2-3 SHIFT

Possible Component		Reference/Action
221 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Output Shaft Speed (OSS) sensor, Shift Solenoid B (SSB) and Shift Solenoid C (SSC).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test C and Go to Pinpoint Test E .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
321 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals.	Inspect for damage. Repair as necessary.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
	Check balance dam.	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.

SHIFT CONCERN: NO 3-4 SHIFT

Possible Component		Reference/Action
222 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Output Shaft Speed (OSS) sensor, Shift Solenoid A (SEA) and Shift Solenoid D (SSD).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test C and Go to Pinpoint Test E .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
322 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
Servo
	Band.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: NO 4-3 SHIFT

Possible Component		Reference/Action
223 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Output Shaft Speed (OSS) sensor, Shift Solenoid D (SSD) and Shift Solenoid A (SEA).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test C and Go to Pinpoint Test E .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
323 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
Servo
	Seal.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: NO 3-2 SHIFT

Possible Component		Reference/Action
224 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Output Shaft Speed (OSS) sensor and Shift Solenoid C (SSC).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test C and Go to Pinpoint Test E .
		Repair as required. Clear the DTCs, road test and rerun On-Board Diagnostic (OBD) test.
324 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.
Direct Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.

SHIFT CONCERN: NO 2-1 SHIFT

Possible Component		Reference/Action
225 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Output Shaft Speed (OSS) sensor and Shift Solenoid D (SSD).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test C and Go to Pinpoint Test E .
		Repair as required. Clear the DTCs, road test and rerun OBD test
325 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
One-Way Clutch (OWC)
	Damaged.	Inspect for damage. Repair as necessary.
Band
	Damaged.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: SOFT/SLIPPING 1-2

Possible Component		Reference/Action
226 - ELECTRICAL ROUTINE
Incorrect Pressures
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Output Shaft Speed (OSS) sensor and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test G and Go to Pinpoint Test H .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
326 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: SOFT/SLIPPING 2-3

Possible Component		Reference/Action
227 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Turbine Shaft Speed (TSS) sensor, Transmission Fluid Temperature (TFT) sensor and Shift Solenoid C (SSC).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test G and Go to Pinpoint Test H .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
327 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.
Direct Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.

SHIFT CONCERN: SOFT/SLIPPING 3-4

Possible Component		Reference/Action
228 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), Shift Solenoid A (SEA) , Shift Solenoid D (SSD), vehicle wiring harnesses and Transmission Fluid Temperature (TFT) sensor.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A and Go to Pinpoint Test B .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
328 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	Inspect for damage. Repair as necessary.
	Friction elements damaged or worn.	Inspect for damage. Repair as necessary.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: SOFT/SLIPPING 4-3

Possible Component		Reference/Action
229 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), Shift Solenoid A (SEA), Shift Solenoid D (SSD), vehicle wiring harnesses and Transmission Fluid Temperature (TFT) sensor.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A and Go to Pinpoint Test B .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
329 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow pressure diagnosis and repair as required.
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
Servo
	Seals, piston damaged.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: SOFT/SLIPPING 3-2

Possible Component		Reference/Action
230 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), Shift Solenoid C (SSC), vehicle wiring harnesses and Transmission Fluid Temperature (TFT) sensor.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A and Go to Pinpoint Test B .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
330 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: SOFT/SLIPPING 2-1

Possible Component		Reference/Action
231 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), Shift Solenoid B (SSB), Output Shaft Speed (OSS) sensor, Turbine Shaft Speed (TSS) sensor, Transmission Range (TR) sensor, vehicle wiring harnesses and Transmission Fluid Temperature (TFT) sensor.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C and Go to Pinpoint Test G . Repair as required. Clear the DTCs, road test and rerun OBD test.
331 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: HARSH 1-2 SHIFT

Possible Component		Reference/Action
232 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Turbine Shaft Speed (TSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C and Go to Pinpoint Test G .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
332 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: HARSH 2-3 SHIFT

Possible Component		Reference/Action
233 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Turbine Shaft Speed (TSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor and Shift Solenoid C (SSC).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C and Go to Pinpoint Test G .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
333 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Direct Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: HARSH 3-4 SHIFT

Possible Component		Reference/Action
234 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Turbine Shaft Speed (TSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor, Shift Solenoid D (SSD) and Shift Solenoid C (SSC).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test C .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
334 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures . Follow pressure diagnosis and repair as required.
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Direct Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
	Check balance dam.	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.

SHIFT CONCERN: HARSH 4-3 SHIFT

Possible Component		Reference/Action
235 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor, Shift Solenoid A (SEA) and Shift Solenoid D (SSD).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test C .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
335 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

SHIFT CONCERN: HARSH 3-2 SHIFT

Possible Component		Reference/Action
236 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Turbine Shaft Speed (TSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor and Shift Solenoid C (SSC).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C and Go to Pinpoint Test G .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
336 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.
Direct Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.

SHIFT CONCERN: HARSH 2-1 SHIFT

Possible Component		Reference/Action
237 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Turbine Shaft Speed (TSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor, Variable Force Solenoid (VFS) and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test E and Go to Pinpoint Test G .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
337 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
One-Way Clutch (OWC)
	Worn, damaged or assembled incorrectly.	Inspect for damage. Repair as necessary.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. Repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. Repair as necessary.

TORQUE CONVERTER CLUTCH OPERATION CONCERNS: DOES NOT APPLY

Possible Component		Reference/Action
240 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Fluid Temperature (TFT) sensor, Shift Solenoid A (SEA) and Shift Solenoid E (SSE).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A and Go to Pinpoint Test B .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
340 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Fluid Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. If damaged, repair as necessary.
Torque Converter Assembly
	Torque converter internal failure preventing engagement, piston application.	Remove transaxle. Inspect for damage. Carry out torque converter checks, refer to Torque Converter Contamination Inspection .
		If torque converter fails to pass the checks or is damaged, install a new or remanufactured torque converter.

TORQUE CONVERTER OPERATION CONCERNS: ALWAYS APPLIED/STALLS VEHICLE

Possible Component		Reference/Action
241 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Shift Solenoid A (SEA) and Shift Solenoid E (SSE).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
341 - HYDRAULIC/MECHANICAL ROUTINE
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Torque Converter Assembly
	Torque converter internal failure preventing engagement, piston application.	Remove transaxle. Inspect for damage. Carry out torque converter checks, refer to Torque Converter Contamination Inspection .
		If torque converter fails to pass the checks or is damaged, install a new or remanufactured torque converter.
Low One-Way Clutch (OWC)
	Worn, damaged or assembled incorrectly.	Inspect for damage. Repair as necessary.

TORQUE CONVERTER CLUTCH CONCERNS: CYCLING/SHUDDER/CHATTER

Possible Component		Reference/Action
242 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Shift Solenoid Pressure Control A (SSPCA) and Shift Solenoid E (SSE).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
342 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
	Transmission fluid contaminated.	If contaminated, locate source of contamination. If burnt, inspect mechanical bands and clutches. Repair as necessary.
	Dirty transmission fluid.	Change the transmission fluid. Carry out drain and refill. Refer to Transmission Fluid Drain and Refill . Carry out transmission fluid cooler cleaning, refer to Transmission Fluid Cooler - Backflushing and Cleaning .
	Contaminated torque converter.	Clean torque converter, carry out torque flushing. Refer to Torque Converter Contamination Inspection as listed.
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Torque Converter Assembly
	Torque converter internal failure preventing engagement, piston application.	Remove transaxle. Inspect for damage. Carry out torque converter checks, refer to appropriate procedures. If torque converter fails to pass the checks or is damaged, install a new or remanufactured torque converter.

OTHER CONCERNS: SHIFT LEVER EFFORTS HIGH

Possible Component		Reference/Action
251 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Range (TR) sensor.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the Transmission Control Module (TCM).
		Go to Pinpoint Test C .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
351 - HYDRAULIC/MECHANICAL ROUTINE
Selector Lever Cable/TR Sensor
	Selector lever cable system or TR sensor damaged, misaligned.	Inspect and repair as required. For selector lever cable information. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article.
		Inspect and repair as required. For TR information, refer to Transmission Range (TR) Sensor .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
Case
	Manual control lever assembly damage, manual valve inner lever pin bent, manual valve inner lever damaged, spring rod damaged.	Inspect for damage. If damaged, repair as necessary.
	Manual valve lever shaft retaining pin damaged.	Inspect for damage. If damaged, repair as necessary.

OTHER CONCERNS: EXTERNAL LEAKS

Possible Component		Reference/Action
252 - ELECTRICAL ROUTINE
Powertrain Control System
	Output Shaft Speed (OSS) sensor, Turbine Shaft Speed (TSS) sensor, Transmission Range (TR) sensor and transmission wiring harness.	Inspect for leakage. If areas around sensor show signs of leakage, install a new sensor O-ring. If area behind TR sensor shows signs of leakage, install a new manual control lever shaft seal.
352 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
Case
	Damaged.	Inspect for damage. If damaged, repair as necessary.
Seal/Gaskets
	Leakage at gaskets and seals.	Check for fluid leaks in the torque converter area. Refer to Leakage Inspection for potential leak locations.
		Remove all traces of lubricant on exposed surfaces of the transaxle. Check the vent for free breathing. Operate the vehicle at normal temperatures and carry out Leak Check Test . Repair as necessary.

OTHER CONCERNS: POOR VEHICLE PERFORMANCE

Possible Component		Reference/Action
253 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Output Shaft Speed (OSS) sensor, Turbine Shaft Speed (TSS) sensor, Transmission Fluid Temperature (TFT) sensor, Transmission Range (TR) sensor, Shift Solenoid A (SEA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Shift Solenoid F (SSF), Pressure Control Solenoid A (PCA) and Pressure Control Solenoid B (PCB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM and OSS.
		Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C and Go to Pinpoint Test D .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
353 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
Input Shaft
	Damaged.	Inspect for damage. Repair as necessary.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.
Torque Converter Assembly
	Torque converter One-Way Clutch (OWC) slipping.	Carry out Torque Converter Contamination Inspection .
		If the One-Way Clutch (OWC) fails the check, install a new or remanufactured torque converter.
	Incorrect torque converter used in rebuild.	Inspect for correct torque converter assembly. If not correct, install the correct torque converter for this application.

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.

OTHER CONCERNS: NOISE/VIBRATION - FORWARD OR REVERSE

Possible Component		Reference/Action
254 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Shift Solenoid A (SEA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Shift Solenoid F (SSF), Pressure Control Solenoid A (PCA) and Pressure Control Solenoid B (PCB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A and Go to Pinpoint Test D .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
354 - HYDRAULIC/MECHANICAL ROUTINE
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. If damaged, repair as necessary.
Flex Plate or Adapter Plate
	Damaged.	Inspect for damage. Repair as necessary.
	Loose flexplate nuts.	Tighten the nuts to specification.
	Adapter plate not aligned correctly.	Remove the transaxle. Align the adapter plate.
One-Way Clutch (OWC)
	Damaged or worn.	Inspect for damage. Install new components as necessary.
Friction Elements
	Damaged, burnt or worn.	Inspect for damage. Install new components as necessary.
	Excessive clutch pack clearance.	Check the clutch pack clearance. Install new clutches as necessary.
Planetary Gear Set
	Damaged or worn thrust bearings.	Inspect for damage. Install new components as necessary.
	Damaged or worn planetary or sun gear.	Inspect for damage. Install new components as necessary.
Incorrect Transmission Fluid Level
	Transmission fluid level low/overfilled.	Check the transmission fluid level. Adjust the transmission fluid level as necessary. Refer to Preliminary Inspection .
Transmission Fluid Filter
	Transmission fluid filter blocked.	Inspect the transmission fluid filter. Install a new transmission fluid filter if necessary. Refer to Transmission Fluid Pan .
Torque Converter
	Worn or damaged torque converter.	Refer to Torque Converter Diagnosis .
Transaxle Support Insulator
	Worn or damaged transaxle support insulator.	Inspect the transaxle support insulator for damage. Install new as necessary.
Differential Ring and Pinion
	Differential ring and pinion gears damaged.	Inspect the differential ring and pinion gears for damage. Install new as necessary.
	Differential ring and pinion gear bearings damaged.	Inspect the differential ring and pinion gear bearings for damage. Install new as necessary.
Main Control Assembly
	Incorrect line pressure.	Check the line pressure. Refer to Special Testing Procedures .
	Worn or damaged solenoids or valves.	Clean and inspect the main control assembly for damage. Install new as necessary.
Transmission Fluid Filler Tube
	Transmission fluid filler tube grounded out.	Inspect the transmission fluid filler tube for damage. Repair or install new as required.

OTHER CONCERNS: ENGINE WILL NOT CRANK

Possible Component		Reference/Action
255 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses and Transmission Range (TR) sensor.	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test C .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
355 - HYDRAULIC/MECHANICAL ROUTINE
Selector Lever Cable/TR Sensor
	Selector lever cable system or TR sensor damaged, misaligned.	Inspect and repair as required. For selector lever cable information, refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article.
		Inspect and repair as required. For TR sensor information, refer to Transmission Range (TR) Sensor .
Flex Plate or Adapter Plate
	Damaged.	Inspect for damage. Repair as necessary.

OTHER CONCERNS: NO PARK RANGE

Possible Component		Reference/Action
256 - ELECTRICAL ROUTINE
Powertrain Control System		No electrical concerns.
356 - HYDRAULIC/MECHANICAL ROUTINE
Selector Lever Cable/Transmission Range (TR) Sensor
	Selector Lever Cable or TR sensor damaged, misaligned.	Inspect and repair as required. For selector lever cable information, refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article.
		Inspect and repair as required. For TR sensor information, refer to Transmission Range (TR) Sensor .
Case
	Manual control lever assembly damage, manual valve inner lever pin bent, manual valve inner lever damaged, spring rod damaged.	Inspect for damage. If damaged, repair as necessary.
	Manual valve lever shaft retaining pin damaged.	Inspect for damage. If damaged, repair as necessary.
Park System
	Park gear, abutment, abutment plate, parking pawl return spring, park or guide plate, parking actuating rod, parking pawl shaft, manual lever detent spring damaged or misassembled.	Inspect for damage. If damaged, repair as necessary.
	External linkages/brackets damaged.	Inspect for damage. If damaged, repair as necessary.

OTHER CONCERNS: OVERHEATING

Possible Component		Reference/Action
257 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses, Transmission Fluid Temperature (TFT) sensor and Shift Solenoid E (SSE).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A and Go to Pinpoint Test B .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
357 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. If damaged, repair as necessary.
Case
	Case vent damaged.	Inspect for damage. If damaged, repair as necessary.
Torque Converter Assembly
	Torque converter internal failure preventing engagement, piston application.	Remove transaxle. Inspect for damage. Carry out torque converter checks, refer to Torque Converter Contamination Inspection . If torque converter fails to pass the checks or is damaged, install a new or remanufactured torque converter.
Other
	Restriction in the transmission fluid cooling system.	Refer to TRANSAXLE/TRANSMISSION COOLING article for information and diagnosis of cooling issues.
	Excessive trailer tow load.	Refer to specifications on trailer towing.
	Poor engine driveability	Check engine driveability. Refer to ENGINE SYSTEM - GENERAL INFORMATION article.

OTHER CONCERNS: NO ENGINE BRAKING IN MANUAL 1

Possible Component		Reference/Action
259 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
359 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap. Carry out Line Pressure Test. Refer to Special Testing Procedures .
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. If damaged, repair as necessary.
Low/Reverse Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	Inspect for damage. If damaged, repair as necessary.
	Friction elements damaged or worn.	Inspect for damage. If damaged, repair as necessary.
	Return spring damaged.	Inspect for damage. If damaged, repair as necessary.

OTHER CONCERNS: FLUID VENTING OR FOAMING

Possible Component		Reference/Action
261 - ELECTRICAL ROUTINE
Powertrain Control System
	No electrical concerns.
361 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. If damaged, repair as necessary.
Case
	Case vent damaged.	Inspect for damage. If damaged, repair as necessary.
Other
	Transaxle overheating.

OTHER CONCERNS: SLIPS/CHATTERS IN 1ST GEAR

Possible Component		Reference/Action
263 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses and Shift Solenoid A (SEA).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
363 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Main Control
	Bolts not tightened to specification.	Tighten to specifications.
	Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
	Contamination.	Disassemble and clean.
	Valves/springs damaged, misassembled, missing, stuck or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. If damaged, repair as necessary.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	Inspect for damage. If damaged, repair as necessary.
	Friction elements damaged or worn.	Inspect for damage. If damaged, repair as necessary.
	Return springs damaged.	Inspect for damage. If damaged, repair as necessary.
Low One-Way Clutch (OWC)
	Worn, damaged or assembled incorrectly.	Inspect for damage. Repair as necessary.

OTHER CONCERNS: SLIPS/CHATTERS IN 2ND GEAR

Possible Component		Reference/Action
264 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Clear the DTCs, road test and rerun OBD test.
364 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. If damaged, repair as necessary.
Servo
	Seals (piston and cover) damaged.	Inspect for damage. Repair as necessary.
Band
	Band damaged.	Inspect for damage. Repair as necessary.
	Servo worn or damaged.	Inspect for damage. If damaged, repair as necessary.
	Not adjusted correctly.	Adjust correctly.
	Anchor bolt damaged or worn.	Inspect for damage. If damaged, repair as necessary.
OD Planetary Assembly
	Planetary damaged.	Inspect for damage. If damaged, repair as necessary.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	Inspect for damage. If damaged, repair as necessary.
	Friction elements damaged or worn.	Inspect for damage. If damaged, repair as necessary.
	Return springs damaged.	Inspect for damage. If damaged, repair as necessary.

OTHER CONCERNS: SLIPS/CHATTERS IN 3RD GEAR

Possible Component		Reference/Action
282 - ELECTRICAL ROUTINE
Powertrain Control System		No electrical concerns.
382 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid
	Incorrect transmission fluid level.	Adjust transmission fluid to correct level. Refer to Preliminary Inspection .
	Transmission fluid condition.	Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection .
Incorrect Pressures
	High/Low pressures.	Check pressure at line tap.
		Carry out Line Pressure Test. Refer to Special Testing Procedures .
Pump Assembly
	Bolts not tightened to specification.	Tighten to specifications.
	Gasket damaged.	Inspect for damage. If damaged, repair as necessary.
	Porosity, cross leaks, plugged hole.	Inspect for damage. If damaged, repair as necessary.
Forward Clutch Assembly
	Seals, piston damaged.	Inspect for damage. Repair as necessary.
	Check balance dam.	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.

OTHER CONCERNS: NO ENGINE BRAKING IN ALL GEARS

Possible Component		Reference/Action
283 - ELECTRICAL ROUTINE
Powertrain Control System
	Transmission Control Module (TCM), vehicle wiring harnesses and Shift Solenoid B (SSB).	Carry out On-Board Diagnostic (OBD) tests. Refer to the Introduction - Gasoline Engines article for diagnosis and testing of the TCM.
		Go to Pinpoint Test A .
		Repair as required. Clear the DTCs, road test and rerun OBD test.
383 - HYDRAULIC/MECHANICAL ROUTINE
No Hydraulic/Mechanical concerns.