Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Here is the procedure.
Important: The vehicle learns the PasslockTM 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.
need help on a 1999 Chevy K3500 pickup with a 7.4 L