2007 Grand Cherokee WK Factory Service Manual 8 - ELECTRICAL

B1A27-SKREEM PROGRAMMING PERFORMANCE

For a complete wiring diagram Refer to Section 8W.

When Monitored:
With the ignition switch on.

Possible Causes

Diagnostic Test

NOTE: Before continuing review and check the following conditions.

Review the repair history of the vehicle. Ensure the vehicle has the correct PCM and SKREEM installed. Check the part numbers.
Using a scan tool, ensure the PCM and SKREEM have been programmed correctly. Compare the PCM VIN to the SKREEM VIN and ensure the two VINS match.

Turn the ignition on.
With the scan tool, clear DTC(s).
Perform 5 ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.
Using the scan tool, read DTC(s).

Does the DTC reset?

Yes

Replace and program the SKREEM in accordance with the Service Information.

NOTE: If this vehicle is equipped with a Steering Column Lock Module, it must be replaced along with the SKREEM.

Perform SKREEM VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STANDARD PROCEDURE)

No

The DTC is not active at this time. Test complete.