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Home >> Jeep >> 2007 >> Commander Overland, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle Theft Security System - Electrical Diagnostics >> Vehicle Theft Security - Electrical Diagnostics >> DTC Troubleshooting >> B1A27-SKREEM Programming Performance >> Diagnostic Test
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Diagnostic Test

  1. 1) SKREEM 
    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 

    1. 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.
    2. Perform SKREEM/SKIM VERIFICATION TEST .

    No 

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