Symptom:
NO COMMUNICATION WITH BCM
When Monitored and Set Condition:
NO COMMUNICATION WITH BCM
When Monitored: With the ignition in run, and the IOD fuse installed.
Set Condition:
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE BCM
RADIO
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, attempt to communicate with the BCM.
Was the DRBIIIt able to I/D or communicate with the BCM?
All
Yes → Go To 2
No → Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRBIIIt, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIIIt, read DTC’s.
Did this DTC reset?
All
Yes → Replace the Radio in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1.
No → Test Complete.
142
AUDIO
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