VIN Mismatch

Test 1 - 2:

Test 3 - 6:

Test 7 - 8:

Test 9:

SYMPTOM
VIN MISMATCH

WHEN MONITORED
At ignition on, the OCM monitors the PCI Bus for the Current VIN message.

SET CONDITION
This DTC will set if the OCM detects that the Original VIN stored in the module does not match the Current VIN broadcast on the PCI bus or if the VIN broadcast on the bus is blank.

POSSIBLE CAUSES
- OCS verification ver 1
- Repair is complete
- PCM, PCI communication failure
- Wrong or missing VIN message
- PCM VIN and vehicle VIN mismatch
- Original and current VIN mismatch
- OCS service repair kit present
- OCS bladder service kit
- Wrong OCS equipment for this vehicle