1. Reading Off Diagnostic Trouble Codes (DTCs)

Reading Off Diagnostic Trouble Codes (DTCs)







HINT: If the starter motor does not run, the fault may be due to an internal fault in the gear-shift position sensor. In certain cases the transmission control module (TCM) has been unable to store diagnostic trouble codes (DTCs) because not all the conditions have been met.

- Ignition on or ignition switch position III for at least five seconds
- Read off diagnostic trouble codes (DTCs).

Fault trace any stored diagnostic trouble codes (DTCs) before beginning this fault-tracing. Use the VIDA symptom input and select the same symptom as for this fault-tracing.

Were diagnostic trouble codes (DTCs) stored in the transmission control module (TCM)?

YES: Refer to Trouble Code Descriptions. Diagnostic Trouble Code Descriptions
NO: Refer to Checking the Park/Neutral Position (PNP) Switch. 2. Checking the Park/Neutral Position (PNP) Switch