P1685

Test 1 - 4:

Test 5 - 7:

SYMPTOM
P1685 - WRONG OR INVALID KEY MSG RECEIVED FROM SKIM


WHEN MONITORED
With the ignition on.


SET CONDITION
The PCM does not receive a Valid Key message from the SKIM.

POSSIBLE CAUSES
- Incorrect VIN in PCM
- Invalid skim key not present
- No communication with skim
- No VIN programmed in the PCM
- PCM
- Skim trouble codes set