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Diagnostic Routines

WARNING: This page is about a different car, the 2006 Mercury Milan and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
ENGAGEMENT CONCERN: NO FORWARD IN O/D ONLY

Possible Component Reference/Action
201A - ELECTRICAL ROUTINE 
Powertrain Control System   
  • Transmission control module (TCM), vehicle wiring harness, shift solenoid (SSPCA) (off = low).
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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 
Fluid   
  • Incorrect level.
  • Condition.
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   
  • TCM, vehicle wiring harness, SSPCA, SSPCB and SSPCC.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
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   
  • 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   
  • TCM, vehicle wiring harness, SSPCA, SSPCB and SSPCC.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
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 ONLY

Possible Component Reference/Action
203 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harness, SSPCB.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
303 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High pressures.
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 ONLY

Possible Component Reference/Action
204A - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harness and SSPCA.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
304A - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High pressures.
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 ONLY

Possible Component Reference/Action
204B - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harness, turbine shaft speed (TSS) sensor.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM.
  • GO to PINPOINT TEST G .
  • Repair as required. Clear the DTCs, road test and rerun on-board diagnostic 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   
  • TCM, vehicle wiring harness, SSPCB, PCA.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
305 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • Low pressures.
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 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   
  • TCM, vehicle wiring harness, SSPCA, PCA.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
306 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • Low pressures.
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   
  • TCM and vehicle wiring harnesses (no electrical activity equals 3rd gear default).
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM.
  • Repair as required. Clear the DTCs, road test and rerun on-board diagnostic test.
307 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
  • Condition.
Shift Cable/Transmission Range (TR) Sensor   
  • Cable system or TR sensor damaged, misaligned.
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.
Turbine Shaft   
  • Damaged.
  • Inspect for damage. If damaged, repair as necessary.
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.
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.
Torque Converter   
  • Damaged flexplate or adapter plate.
  • Damaged impeller hub.
  • Damaged turbine hub.
  • Inspect for damage. Repair as necessary.
Low One-way Clutch   
  • 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   
  • TCM, vehicle wiring harnesses, TR sensor, transmission fluid temperature (TFT) sensor, SSPCA and SSPCB.
308 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
  • Condition.
Incorrect Pressures   
  • High pressures.
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.
  • Inspect for damage. Repair as necessary.
ENGAGEMENT CONCERNS: DELAYED/SOFT FORWARD AND REVERSE

Possible Component Reference/Action
209 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses, TR sensor, TFT sensor SSPCA and SSPCB.
309 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
  • Condition.
Incorrect Pressures   
  • High pressures.
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.
SHIFT CONCERNS: SOME/ALL SHIFTS MISSING (AUTOMATIC MODE ONLY)

Possible Component Reference/Action
210 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses, TR sensor, intake manifold air temperature (IAT) sensor, vehicle speed sensor (VSS) input, SSPCA, SSPCB, SSPCC, SSD, SSE, SSF, pressure control solenoid A (PCA) and pressure control solenoid B (PCB).
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
Fluid   
  • Incorrect level.
  • Condition.
Shift Cable/TR Sensor   
  • Cable system or TR sensor damaged, misaligned.
Incorrect Pressures   
  • High/Low pressures.
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.
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   
  • 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, VSS, TSS sensor SSPCA, SSPCB, SSPCC, SSD, SSE, SSF and VFS.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM and VSS sensor.
  • GO to PINPOINT TEST A  and GO to PINPOINT TEST G .
  • Repair as required. Clear the DTCs, road test and rerun on-board diagnostic 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
Fluid   
  • Incorrect level.
  • Condition.
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   
  • TCM, vehicle wiring harnesses, VSS, I AT sensor.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM, IAT and VSS sensor. C
  • GO to PINPOINT TEST G . Repair as required. Clear the DTCs, road test and rerun on-board diagnostic test.
312 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
  • Condition.
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   
  • TCM, vehicle wiring harnesses, TFT sensor, IAT sensor, VSS input SSPCA, SSPCB, SSPCC, SSD, SSE, SSF, VFS, PCA and PCB.
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, 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
Fluid   
  • Incorrect level.
  • Condition.
Incorrect Pressures   
  • High/Low Pressures.
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 (SOME/ALL)

Possible Component Reference/Action
214 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses, TR sensor, TFT sensor, IAT sensor, VSS input, SSPCA, SSPCB, SSPCC, SSD, SSE, SSF, PCA and PCB.
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, Routine 232/332
  • Harsh 2-3 Shift, Routine 233/333
  • Harsh 3-4 Shift, Routine 234/334
  • Harsh 4-3 Shift, Routine 235/335
  • Harsh 3-2 Shift, Routine 236/336
  • Harsh 2-1 Shift, Routine 237/337
Incorrect Pressures   
  • High/Low Pressures.
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 HIGHER GEAR

Possible Component Reference/Action
215 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses, TR sensor and SSPCA.
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   
  • 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   
  • TCM and vehicle wiring harnesses.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM.
  • Repair as required. Clear the DTCs, road test and rerun on-board diagnostic 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 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   
  • TCM, vehicle wiring harnesses and SSPCB.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
317 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • 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   
  • TCM, vehicle wiring harnesses, VSS, TR sensor, TSS sensor and SSPCB.
320 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TR sensor, VSS, SSPCB and SSPCC.
321 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TR sensor, VSS, SSPCA and SSD.
322 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TR sensor, VSS, SSD and SSPCA.
323 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TR sensor, VSS and SSPCC.
324 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TR sensor, VSS and SSPCB.
325 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • 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   
  • TCM, vehicle wiring harnesses, TSS sensor, VSS, TFT sensor and SSPCB.
326 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
  • Condition.
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TSS sensor, TFT sensor and SSPCC.
327 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, SSPCA, SSD, vehicle wiring harnesses and TFT sensor.
328 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TFT sensor, SSPCA and SSD.
329 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
  • Check pressure at line tap.
  • Carry out LINE PRESSURE TEST . 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   
  • TCM, vehicle wiring harnesses, TFT sensor and SSPCC.
330 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, SSPCB, VSS, TSS, TR sensor, vehicle wiring harnesses and TFT sensor.
331 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TSS sensor, TR sensor, TFT sensor and SSPCB.
332 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TSS sensor, TR sensor, TFT sensor and SSPCC.
333 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TR sensor, TFT sensor, SSPCA and SSD.
334 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
  • Check pressure at line tap.
  • Carry out LINE PRESSURE TEST . 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   
  • TCM, vehicle wiring harnesses, TR sensor, TFT sensor, SSPCA and SSD.
335 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, TSS sensor, TR sensor, TFT sensor and SSPCC.
336 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
  • 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   
  • TCM, vehicle wiring harnesses, TSS sensor, TR sensor, TFT sensor, VFS and SSPCB.
337 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • 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   
  • TCM, vehicle wiring harnesses, TFT sensor, SSPCA and SSE.
340 - HYDRAULIC/MECHANICAL ROUTINE 
Incorrect Pressures   
  • High/Low pressures.
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   
  • TCM, vehicle wiring harnesses, SSPCA and SSE.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM.
  • Go Pinpoint Test A.
  • Repair as required. Clear the DTCs, road test and rerun on-board diagnostic 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.
Low One-Way Clutch   
  • Worn, damaged or assembled incorrectly.
  • Inspect for damage. 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 CLUTCH CONCERNS: CYCLING/SHUDDER/CHATTER

Possible Component Reference/Action
242 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses, SSPCA and SSE.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
342 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Condition.
  • Contaminated.
  • If contaminated, locate source of contamination. If burnt, inspect mechanical bands and clutches. Repair as necessary.
  • Dirty fluid.
  • Contaminated torque converter.
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 procedure . 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   
  • TR sensor.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM.
  • GO to PINPOINT TEST C .
  • Repair as required. Clear the DTCs, road test and rerun on-board diagnostic test.
351 - HYDRAULIC/MECHANICAL ROUTINE 
Shift Cable/TR Sensor   
  • Cable system or TR sensor damaged, misaligned.
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   
  • VSS, TSS sensor and TR sensor 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 lever shaft seal.
352 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
Case   
  • Damaged.
  • Inspect for damage. If damaged, repair as necessary.
Seal/Gaskets   
  • Leakage at gaskets, seals, etc.
  • 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   
  • TCM, vehicle wiring harnesses, VSS, TSS sensor, TFT sensor, TR sensor, SSPCA, SSPCB, SSPCC, SSD, SSE, SSF, PCA and PCB.
353 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
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 slipping.
  • Incorrect torque converter used in rebuild.
  • Inspect for correct torque converter assembly. If not correct, install the correct torque converter for this application.
OTHER CONCERNS: NOISE/VIBRATION - FORWARD OR REVERSE

Possible Component Reference/Action
254 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses, SSPCA, SSPCB, SSPCC, SSD, SSE, SSF, PCA and PCB.
354 - HYDRAULIC/MECHANICAL ROUTINE 
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.
Flex Plate or Adapter Plate   
  • Damaged.
  • Inspect for damage. Repair as necessary.
  • Adapter plate not aligned correctly.
  • Remove the transaxle. Align the adapter plate.
OTHER CONCERNS: ENGINE WILL NOT CRANK

Possible Component Reference/Action
255 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses and TR sensor.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM.
  • GO to PINPOINT TEST C .
  • Repair as required. Clear the DTCs, road test and rerun on-board diagnostic test.
355 - HYDRAULIC/MECHANICAL ROUTINE 
Shift Cable/TR Sensor   
  • Cable system or TR sensor damaged, misaligned.
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 
Shift Cable/TR Sensor  Other Concerns: No Park Range  
  • Cable system or TR sensor damaged, misaligned.
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   
  • TCM, vehicle wiring harnesses, TFT sensor and SSE.
357 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
Incorrect Pressures   
  • High/Low pressures.
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.
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 transaxle cooling system.
  • Excessive trailer tow load.
  • Poor engine driveability
OTHER CONCERNS: NO ENGINE BRAKING IN MANUAL 1

Possible Component Reference/Action
259 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses and SSPCB.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
359 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
Incorrect Pressures   
  • High/Low pressures.
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.
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 
Fluid   
  • Incorrect level.
  • Condition.
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.
Case   
  • Case vent damaged.
  • Inspect for damage. If damaged, repair as necessary.
Other   
  • Transaxle overheating.
  • Refer to routine 257/357.
OTHER CONCERNS: SLIPS/CHATTERS IN 1ST GEAR

Possible Component Reference/Action
263 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • TCM, vehicle wiring harnesses and SSPCA.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
363 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
  • Condition.
Incorrect Pressures   
  • High/Low pressures.
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.
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   
  • 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   
  • TCM, vehicle wiring harnesses and SSPCB.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the TCM.
  • GO to PINPOINT TEST A .
  • Clear the DTCs, road test and rerun on-board diagnostic test.
364 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level.
  • Condition.
Incorrect Pressures   
  • High/Low pressures.
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.
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 
Fluid   
  • Incorrect level.
  • Condition.
Incorrect Pressures   
  • High/Low pressures.
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.
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   
  • TCM, vehicle wiring harnesses and SSPCB.
  • Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE 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.
383 - HYDRAULIC/MECHANICAL ROUTINE 
No Hydraulic/Mechanical concerns.