SKREEM/SKIM PCM Status Failure

SKREEM/SKIM-PCM STATUS FAILURE

WHEN MONITORED
With the ignition on.

SET CONDITION
If the SKREEM/SKIM fails to receive the PCM STATUS message from the PCM for at least 20.0 consecutive seconds.

POSSIBLE CAUSES
- Wire harness failure
- SKREEM/skim
- PCM

DIAGNOSTIC TEST

1. VERIFY THAT THE DTC IS ACTIVE

NOTE: Verify that the PCM has good power and ground connections before continuing.

Turn the ignition on.
With the scan tool, record and erase the SKREEM/SKIM DTCs.
Turn the ignition off.
Wait 2 minutes.
Turn the ignition on.
With the scan tool, read the SKREEM/SKIM DTCs.

Q: Did this DTC reset?

YES: Go To 2
NO: Perform the Intermittent Condition diagnostic procedure.

2. INSPECT RELATED WIRING FOR CONDITION CAUSING THE FAULT
Turn the ignition off.

NOTE:
- Visually inspect the related wiring harness and PCI Bus circuits for any chafed, pierced, pinched, and partially broken wires.
- Visually inspect the related wiring harness connectors for broken, bent, pushed out, and corroded terminals.
- Refer to any Technical Service Bulletins (TSB) that may apply.

Q: Were any problems found?

YES: Repair as necessary.
Perform SKIS VERIFICATION TEST. Verification Tests
NO: Go To 3

3. VERIFY THAT THE DTC IS STILL ACTIVE

NOTE: Obtain the SKIM PIN before proceeding.

Turn the ignition on.
With the scan tool, erase all PCM and SKREEM/SKIM DTCs.
Perform 5 ignition key cycles, leaving the ignition key on for a minimum of 90 seconds per cycle.
With the scan tool, read the SKREEM/SKIM DTCs.

Q: Did this DTC reset?

YES: Replace and program the PCM.
Perform SKIS VERIFICATION TEST. Verification Tests
NO: Test complete, the conditions that set this DTC are not present at this time.