One problem related to ignition switch has been reported for the 2005 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 GMC Yukon based on all problems reported for the 2005 Yukon.
Tl-the contact owns a 2005 GMC Yukon. The contact stated that the check engine warning light remained illuminated. The onstar diagnostic check determined that the ignition switch needed to be replaced. The vehicle had not been repaired. The manufacturer was notified of the failure. The approximate failure mileage was 122,000.