Two problems related to ignition module have been reported for the 2001 Chevrolet Silverado. The most recently reported issues are listed below.
Upon placing the key into the ignition key would not turn. Consumer tried the spare key and it would not work. Consumer had to disable the air bags in order to start the vehicle.
Air conditioner line leaks on distributor cap, causing computer to to short circuit. Consumer will add more descriptive information.