VIN Previously Stored

Test 1:

SYMPTOM
VIN PREVIOUSLY STORED

TEST NOTE
This symptom is diagnosed using the test VIN CHECKSUM ERROR.

WHEN MONITORED
With the ignition on.

SET CONDITION
Once the Instrument Cluster learns a valid VIN and another VIN is transmitted on the bus. This code can only be set if a PCM or MIC has been exchanged or "swapped" from another vehicle. The VIN is embedded in both the cluster and the PCM and cannot be used in any other vehicle.


POSSIBLE CAUSE
- Powertrain control module