Engagement Concern: Harsh Forward

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

POSSIBLE COMPONENT REFERENCE CHART

Possible Component	Reference/Action
204 - ELECTRICAL ROUTINE
Powertrain Control System	Run On-Board Diagnostic (OBD). Refer to the INTRODUCTION article for diagnosis. 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 .
Electrical inputs/outputs, vehicle wiring harnesses, PCM, Mass Air Flow (MAF) sensor, Intake Air Temperature (IAT) sensor, Throttle Position (TP) sensor, Idle Speed Control (ISC), Power Steering Pressure (PSP) sensor, engine RPM, Line Pressure Control (LPC) solenoid, Transmission Fluid Temperature (TFT) sensor, Turbine Shaft Speed (TSS) sensor, Output Shaft Speed (OSS) sensor, Transmission Range (TR) sensor, Shift Solenoid A (SSA) and or transaxle solenoid power control circuit open/shorted
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
304 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures	Carry out Line Pressure and Stall Speed Tests. Refer to SPECIAL TESTING PROCEDURES in this service information. Check pressure at pressure taps. See the LINE PRESSURE CHART for specifications. If pressures are high, check the main control valve body, pump assembly.
Line pressure - high
Pump Assembly
Bolts out of torque specification	Inspect for damage. Install a new pump as required.
Porosity/cross leaks, pump assembly leaking, plugged hole	Inspect for damage. Install a new pump as required.
Components damaged	Inspect for damage. Install a new pump as required.
Main Controls
Bolts out of torque specification	Tighten bolts to specification.
Gasket and separator plate - damaged, off location	Inspect for damage. Install new as required.
Forward clutch seal - leaking between valve body and case	Inspect for damage. Install new as required.
Forward clutch regulator valve - stuck, damaged	Inspect for damage. Install new as required.
Forward clutch boost valve - stuck, damaged	Inspect for damage. Install new as required.
Main regulator valve - stuck, damaged	Inspect for damage. Install new as required.
Forward Clutch Assembly
Seals, piston - worn, damaged	Inspect for damage. Install new as required.
Friction elements - damaged	Inspect for damage. Install new as required.
Wave spring - damaged	Inspect for damage. Install new as required.