2. Confirm which, if any, warning lights and/or messages are lit/displayed on the instrument panel. For a list of messages, refer to the relevant section in the workshop manual.
3. Perform a visual inspection for obvious signs of mechanical or electrical damage.
Mechanical factors | Electrical Factors |
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4. If an obvious cause of a problem that you identified or described by the customer is found, resolve it before proceeding to the next steps (if possible).
5. Use an approved diagnostic system or scan tool (tester), to read all diagnostic trouble codes (DTC) before going to the Symptom Table or DTC Index. Clear all DTCs after troubleshooting.
Symptom table
Symptom | Possible message | Other possible warnings | Possible reasons | Action |
Operation with reduced performance in the presence of a malfunction | Rear differential failure | Visually inspect the wiring harness electrical connectors for water ingress. If you suspect a module, refer to the Warranty Policy and Procedures Manual | ||
Rear differential overheating | Deceleration due to rear differential overheating | Transmission overheat warning light on | Check that the oil level and specification are correct. Refer to the relevant section in the manual for service stations |
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