One problem related to engine shut off without warning has been reported for the 2015 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 GMC Yukon based on all problems reported for the 2015 Yukon.
Engine shuts off, steering assist disappears and steering wheel is jerked out of my hand, stabilitrak warnings on dash, hvac screen goes blank, chimes start going off. This occurred as I was pulling into a parking lot and I almost hit another car. The vehicle was moving at no more than 10mph.