Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
If the 30 minute learn procedure does not work, it will be necessary to reprogram the system with a class 2 scanner, but try it first.
There are 2 available methods to perform the programming procedure:
The vehicle learns the Passlock Sensor Data Code and/or password XXXXX the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.