Inspection And Verification

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

CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle.

Verify the customer concern.
Visually inspect for obvious signs of damage and system integrity.

VISUAL INSPECTION

MECHANICAL	ELECTRICAL	HYDRAULIC
Damaged/stuck shift mechanism Damaged automatic transmission casing	Blown fuse(s) Damaged, loose or corroded connectors Wiring harness	Fluid level too high/low Poor condition of fluid Fluid leak

If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
If the cause is not visually evident check for Diagnostic Trouble Codes (DTCs) and refer to the appropriate Diagnostic Trouble Code (DTC) Index information.