P1685

Tests 1 - 5:

Tests 6 - 7:

SYMPTOM
P1685 WRONG OR INVALID KEY MSG RECEIVED FROM SKIM

POSSIBLE CAUSES
- Incorrect VIN In PCM
- Invalid SKIM Key Present
- No Communication With SKIM
- No Vin Programmed In The PCM
- PCM
- SKIM Trouble Codes Set