Symptom:
VIN MISMATCH
When Monitored and Set Condition:
VIN MISMATCH
When Monitored: With the ignition on.
Set Condition: The Hands Free Module will receive and monitor the VIN message from
the PCM and record the VIN if different from the last VIN.
POSSIBLE CAUSES
PCM DTC’S
MODULE-VIN MISMATCH
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, read PCM DTCs.
Are there any PCM DTC’s?
All
Yes → Refer to the Driveability category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 2
2 With the DRBIIIt, erase the HFM 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 Hands Free Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No → Test Complete.
520
TELECOMMUNICATION
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