Diagnostic Test

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 .

Turn the ignition on.

With the scan tool, attempt to I/D or communicate with the BCM.

Was the scan tool able to communicate with the BCM? 

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 .