Shift Concerns: Timing - Early/Late

WARNING: This page is about a different variant/trim than selected.

POSSIBLE COMPONENT REFERENCE CHART

Possible Component	Reference/Action
211 - ELECTRICAL ROUTINE
Powertrain Control System
Electrical inputs/outputs, vehicle wiring harnesses, PCM, Shift Solenoid A (SSA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Throttle Position (TP) sensor, Mass Air Flow (MAF) sensor, Output Shaft Speed (OSS) sensor, Turbine Shaft Speed (TSS) sensor, Intake Air Temperature (IAT) sensor, Engine Coolant Temperature (ECT) sensor and Line Pressure Control (LPC) solenoid	Run On-Board Diagnostic (OBD). Refer to INTRODUCTION article for diagnosis. Go to PINPOINT TEST A , Go to PINPOINT TEST B and Go to PINPOINT TEST C .
	Carry out Shift Point Road Test. Refer to SHIFT POINT ROAD TEST in this service information and carry out Torque Converter Operation Test. Refer to TORQUE CONVERTER DIAGNOSIS in this service information.
Solenoid Body	Verify solenoid body strategy data stored in the PCM, download new identification and strategy as necessary. Refer to SOLENOID BODY STRATEGY in this service information.
Incorrect solenoid body strategy data stored in the PCM
311 - HYDRAULIC/MECHANICAL ROUTINE
Other	See the specification decal and verify vehicle has original equipment. Changes in tire size will affect shift timing.
Tire size
Transmission Fluid Level
Low transmission fluid level	Check transmission fluid level and adjust as necessary. Refer to PRELIMINARY INSPECTION in this service information.
Transmission fluid condition	Carry out transmission fluid condition check. Refer to PRELIMINARY INSPECTION in this service information.
Selector Lever Linkage (Internal/External)	Inspect for damage. Repair as required. Verify selector lever cable adjustment. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS - 6F35 article.
Damaged, out of adjustment
Main Controls
Plugged solenoid body filter	Inspect for damage. Install new as required.
Bolts out of torque specification	Tighten bolts to specification.
Gaskets and separator plate - damaged, off location	Inspect for damage. Install new as required.
Valves, accumulators, seals, springs, clips, check balls - damaged, missing, misassembled	Inspect for damage. Repair as required.
	See the appropriate shift concern and routine for further diagnosis: Shift Concern: Soft/Slipping 1-2, Routine 230/330 Shift Concern: Soft/Slipping 2-3, Routine 231/331 Shift Concern: Soft/Slipping 3-4, Routine 232/332 Shift Concern: Soft/Slipping 4-5, Routine 233/333 Shift Concern: Soft/Slipping 5-6, Routine 234/334 Shift Concern: Soft/Slipping 6-5, Routine 235/335 Shift Concern: Soft/Slipping 5-4, Routine 236/336 Shift Concern: Soft/Slipping 4-3, Routine 237/337 Shift Concern: Soft/Slipping 3-2, Routine 238/338 Shift Concern: Soft/Slipping 2-1, Routine 239/339
End Cover	Inspect for damage. Repair or install new as required.
End cover gasket - leaking	Inspect for damage. Repair or install new as required.
Planetary Gear Sets	Inspect for damage. Repair or install new as required.
Damaged	Inspect for damage. Repair or install new as required.
One-Way Clutch Assembly	Inspect for damage. Repair or install new as required.
Damaged	Inspect for damage. Repair or install new as required.
Other Components
Clutches	Inspect for damage. Repair or install new as required.
Output shaft (differential)	Inspect for damage. Repair or install new as required.
Powerflow Components	Inspect for damage. Repair as required.
Vehicle Speed Input	Inspect for damage. Repair as required. Go to PINPOINT TEST C .
Insufficient, erratic or no input received by the PCM from the OSS or TSS sensors
Transmission Fluid Filter and Seal Assembly
Plugged, damaged, not correctly seated	Inspect for damage. Install a new filter and seal assembly.
Filter, seal - damaged	Inspect for damage. Install a new filter and seal assembly.