Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
its going to depend on if you have an injector pulse.also if that security light is on or blinking try this procedure and see if it will start after you do this procedure
IMPORTANT: The vehicle learns the Passlock (TM) 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.