Use this procedure after replacing the following components:
Important: This procedure is not available on vehicles equipped with option code (Z49 or BAE).
Important: The vehicle learns the key transponder information and/or passwords on the ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
Auto Technician
GM Mark of Excellence/ Service Guild Participant with 13 years experience, ASE Master Certified