Symptom:
ACM MESSAGES NOT RECEIVED
When Monitored and Set Condition:
ACM MESSAGES NOT RECEIVED
When Monitored: With the ignition in the run position.
Set Condition: The BCM does not receive any messages from the Airbag Control Module
for at least 5 seconds.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE AIRBAG CONTROL MODULE
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, attempt to communicate with the Airbag Control Module.
Was the DRB able to I/D or communicate with the Airbag Control Module?
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 DRB, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC’s.
Did this DTC reset?
All
Yes → Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No → Test Complete.
146
COMMUNICATION