84 - Mismatched VIN

Symptom:
MISMATCHED VIN - 84

Test 1-3:

When Monitored:
Ignition on.

Set Condition:
Vehicle line or vehicle series information transmitted from PCM does not match the expected values for ten seconds and/or vehicle line or series information not transmitted by the PCM for ten seconds.

POSSIBLE CAUSES
- INTERMITTENT DTC
- WRONG VIN PROGRAMMED IN PCM/ WRONG PCM
- INCORRECT CAB FOR VEHICLE