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Home >> Jeep >> 2014 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Wireless Control Module (WCM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1A27-SKREEM Programming Performance >> Diagnostic Test
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Diagnostic Test

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY THAT THE DTC IS ACTIVE 
    1. Turn the ignition on.
      NOTE:

      Before continuing, review and check for the following:

      • Review the repair history of the vehicle.
      • Ensure that the vehicle has the correct PCM and WCM/SKREEM installed by verifying the part numbers.
      • With the scan tool, ensure that the PCM and WCM/SKREEM are programmed correctly. Compare the PCM VIN to the WCM/SKREEM VIN and ensure the two VINs match.
    2. With the scan tool, clear DTCs.
    3. Perform 5 ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.
    4. With the scan tool, read DTCs.

      Does the DTC reset?

      Yes 

      • Replace and program the Wireless Control Module (WCM)/Sentry Key Remote Entry Module (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 WCM/SKREEM.

      • Perform the WCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

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