Ignition Switch problems of the 2000 Chevrolet Express 1500

The contact owns a 2000 Chevrolet Express 1500. The contact stated that the ignition failed to start with several attempts, however after waiting fifteen minutes the vehicle began to operate normally. The vehicle would also stall unexpectedly when driving and then restart. The failure recurred numerous times. A certified mechanic replaced the pass-lock security system. In addition, the dealer replaced the ignition switch. The failure no longer persisted after both repairs were performed. The manufacturer was notified of the problem. The approximate failure mileage was 58,000. Updated 05/19/14 MA.