DTC 12

DTC12: Encrypted Codes are Not the Same or Not Registered.

DTC SET CONDITION
The encrypted code sent by the transponder is not the same encrypted code which is registered in the immobilizer-ECU.

NOTE: DTC 12 is always output together with MFI system DTC P0513.

TROUBLESHOOTING HINTS
- The encrypted code in the ignition key has not been properly registered
- Malfunction of immobilizer-ECU.

DIAGNOSIS

Q: Was the encrypted code registered?

YES: Replace the immobilizer-ECU. and then re-register the encrypted code.

NO: Register the encrypted code.