P1685-WRONG OR INVALID KEY MSG RECEIVED FROM SKIM
POSSIBLE CAUSES
NO COMMUNICATION WITH SKIM
SKIM TROUBLE CODES SET
NO VIN PROGRAMMED IN THE PCM
INCORRECT VIN IN PCM
INVALID SKIM KEY NOT PRESENT
PCM
ACTION APPLICABILITY
1 Ignition on, engine not running.
With the DRBIIIt, read the PCM DTCs.
Is the Good Trip Counter displayed and equal to zero?
Yes ! Go To 2
No ! Go To 7
2 Ignition on, engine not running.
With the DRBIIIt, attempt to communicate with the SKIM.
Can the DRBIIIt communicate with the SKIM?
Yes ! Go To 3
No ! Refer to symptom BUS +/- SIGNAL OPEN FROM SKIM in the
COMMUNICATION category of the Body Diagnostic Manual.
Perform SKIS VERIFICATION.
3 With the DRBIIIt, check for SKIM DTCs.
Are any DTCs present in the SKIM?
Yes ! Repair all SKIM DTCs.
Perform SKIS VERIFICATION.
No ! Go To 4
4 With the DRBIIIt, display the VIN that is programmed in the PCM.
Has a VIN been programmed into the PCM?
Yes ! Go To 5
No ! Program the correct VIN into the PCM and retest.
Perform SKIS VERIFICATION.
5 With the DRBIIIt, display the VIN that is programmed in the PCM.
Was the correct VIN programmed into the PCM?
Yes ! Go To 6
No ! Replace and program the Powertrain Control Module per Service
Information.
Perform SKIS VERIFICATION.
6 Turn the ignition off.
Replace and program the Sentry Key Immobilizer Module in accordance with the
Service Information.
Ignition on, engine not running.
With the DRBIIIt, erase all SKIM and PCM DTCs.
Attempt to start and idle the engine.
With the DRBIIIt, read the PCM DTCs.
Does the DRBIIIt display this code?
Yes ! Replace and program the Powertrain Control Module per Service
Information.
Perform SKIS VERIFICATION.
No ! Test Complete.
NOTE: This DTC could have been set if the SKIM harness connector was
disconnected, or if the SKIM was replaced recently.
NOTE: All keys that the customer uses for this vehicle must be tested to
verify they are operating properly.
NOTE: Ensure the customer is not attempting to use a non-SKIM duplicate
key.
Ignition on, engine not running.
Verify the correct VIN is programmed into the PCM and SKIM.
Turn the ignition off.
With the next customer key turn the ignition key on and crank the engine to start.
With the DRBIIIt, read the PCM DTCs.
Is the Good Trip counter displayed and equal to zero?
All
Yes ! Replace the Ignition Key.
Perform SKIS VERIFICATION.
No ! Test Complete.
NOTE: If this DTC cannot be reset, it could have been an actual theft
attempt.
Nie mogę namieżyć pierwszego blędu z jakiego modulu zczytany?