Test Description
The number(s) below refer to the step number(s) on the diagnostic table.
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The inability of the body control module (BCM) to enter the diagnostic mode may be due to a BCM malfunction.
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The symptoms list in Symptoms will determine the correct diagnostic procedure to use.
Step | Action | Yes | No |
|---|---|---|---|
1 | Is the vehicle equipped with content theft deterrent (UA6)? | Go to Step 2 | Go to Symptoms - Horns |
Attempt to enter the body control module (BCM) diagnostic mode. Refer to On-Board Diagnostic Features in Body Control System. Does the BCM enter the diagnostic mode? | Go to Step 3 | Go to Diagnostic System Check - Body Control System in Body Control System | |
Does the BCM display any DTCs? | Go to Step 4 | Go to Symptoms - Horns | |
4 | Does the BCM display DTC 7? | Go to Diagnostic Trouble Code (DTC) List in Body Control System |
