Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Test
- PROGRAM ALL OF THE IGNITION KEYSÂ
- Turn the ignition on.
- With the scan tool, attempt to program the key(s) into the WCM/SKREEM.
Was the programming of the key(s) successful?
YesÂ
- Perform the WCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Wireless Control (WCM) - Standard ProcedureÂ
NoÂ
- 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. See DTC-Based Diagnostics/MODULE, Wireless Control (WCM) - Standard ProcedureÂ
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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