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FCM - VIN Not Learned Correctly

Test 1:






SYMPTOM
FCM - VIN NOT LEARNED CORRECTLY

WHEN MONITORED
With the ignition on.

SET CONDITION
The VIN is programmed into the FCM via PCI Bus messages from the PCM/ECM. When learning the VIN, the FCM computes a check digit to verify that the VIN learned was valid. If not valid, the DTC will set and the VIN will not be learned.

POSSIBLE CAUSES
- VIN not learned correctly