Diagnostic Test

1) DTC PRESENT
With the scan tool, erase DTCs.

Cycle the ignition and wait approximately 1 minute.

With the scan tool, read DTCs.

Did this DTC reset?

Yes
1. Go To step 2).
No
1. The condition is not present at this time. Monitor scan tool parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness and connector terminals.
2. Perform BODY VERIFICATION TEST .
2) ELECTRONIC VEHICLE INFORMATION CENTER
Turn the ignition on.

With the scan tool, enter Body Computer, System Tests, then PCM Monitor.

Does the scan tool display PCM Active on the Bus?

Yes
1. Replace the EVIC in accordance with the Service Information.
2. Perform BODY VERIFICATION TEST .
No
1. Refer to the COMMUNICATION category and perform the appropriate symptom.
2. Perform BODY VERIFICATION TEST .