Fcm - Vin Not Learned Correctly - Dodge Ram 2004 Service Manual

Symptom:

FCM - VIN NOT LEARNED CORRECTLY

When Monitored and Set Condition:
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.
VIN NOT LEARNED CORRECTLY
TEST
1 Turn the ignition on.
With the DRB, erase FCM DTC's.
Turn the ignition off then turn the ignition on and wait approximately 1 minute.
With the DRB, read FCM DTC's.
Did this DTC reset?
Yes → Replace the Front Control Module in accordance with the service
→ Test Complete.
No
POSSIBLE CAUSES
ACTION
information.
Perform BODY VERIFICATION TEST - VER 1.
261
COMMUNICATION
APPLICABILITY
All