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COMMUNICATION
Symptom:
BCM MESSAGES NOT RECEIVED
When Monitored and Set Condition:
BCM MESSAGES NOT RECEIVED
When Monitored: With the ignition in run or run/start and vehicle not in shipping mode.
Set Condition: The module does not receive any messages from the BCM. Time to mature
for the DDM, IPM and PDM is 5 seconds.
ATTEMPT TO COMMUNICATE WITH THE BCM
MODULE
TEST
1
Turn the ignition on.
With the DRBIII , attempt to communicate with the Body Control Module.
Was the DRBIII able to I/D or communicate with the BCM?
Yes → Go To 2
→ Refer to the Communication category for the related symptom(s).
No
2
With the DRBIII , erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIII , read DTC's.
Did this DTC reset?
Yes → Replace the module which set the DTC in accordance with the
→ Test Complete.
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
service information.
Perform BODY VERIFICATION TEST - VER 1.
302
APPLICABILITY
All
All
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