Diagnostic Test

PROGRAM ALL OF THE IGNITION KEYS 

1. Turn the ignition on.
2. With the scan tool, attempt to program the key(s) into the WCM/SKREEM.

   Was the programming of the key(s) successful?

   Yes 

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

   No 

   • Replace the ignition key and attempt to program it into the WCM/SKREEM. If the DTC resets, replace and program the Wireless Control Module (WCM/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.

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