Vin Mismatch - Dodge Ram 2004 Service Manual

TELECOMMUNICATION
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.
PCM DTC'S
MODULE-VIN MISMATCH
TEST
1 Turn the ignition on.
With the DRBIII , read PCM DTCs.
Are there any PCM DTC's?
Yes → Refer to the Driveability category for the related symptom(s).
→ Go To 2
No
2 With the DRBIII , erase the HFM 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 Hands Free Module in accordance with the service
→ Test Complete.
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
information.
Perform BODY VERIFICATION TEST - VER 1.
520
APPLICABILITY
All
All