Engagement Concern: Harsh Forward Only

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

ENGAGEMENT CONCERN: HARSH FORWARD ONLY

Possible Component	Reference/Action
204A - ELECTRICAL ROUTINE
Powertrain Control System
PCM, vehicle wiring harness and SSC.	Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE for diagnosis and testing of the PCM. 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.	Check pressure at line tap. Refer to SPECIAL TESTING PROCEDURES in this article.
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
PCM, vehicle wiring harness, turbine shaft speed (TSS) sensor.	Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE for diagnosis and testing of the PCM. GO to PINPOINT TEST E . Repair as required. Clear the DTCs, road test and rerun on-board diagnostic test.
304B - HYDRAULIC/MECHANICAL ROUTINE
No Hydraulic/Mechanical Concerns.