P1685

Tests 1 - 4:

Tests 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