Incorrect Immobilizer Key
The immobiliser system has detected a key that is not authorised for this vehicle. Engine start is blocked. Possible causes are an unprogrammed replacement key, a transponder fault, or a deliberate attempt to start with the wrong key.
Affected components
- Immobilizer
- Key transponder
Common causes
- High likelihood: Replacement key not programmed
- Medium likelihood: Key transponder defective
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.