NHTSA Complaint #10990506 — 2005 GMC YUKON DENALI XL

THE VEHICLE'S ENGINE SHUTS OFF WHILE DRIVING. WITHOUT WARNING. THIS HAPPENS AT VARIOUS SPEEDS. LOSS OF BRAKES AND POWER STEERING OCCURS AFTER ENGINE SHUTS OFF. THIS HAS HAPPENED ON SEVERAL OCCASIONS AT VARYING SPEEDS. SPEED VARYING BETWEEN 30 MPH TO 70 MPH. ENGINE WILL RESTART (BE TURNED BACK ON AFTER WAIT TIME AT THE IGNITION) AND DRIVE FOLLOWING THESE INCIDENTS, HOWEVER INCIDENTS REOCCUR. ALSO UPON TAKING IT TO A GMC CHEVROLET DEALERSHIP FOR INSPECTION, SERVICE DEPARTMENT WAS UNABLE TO FIND ANY "CODES" RELATED TO THIS. FUEL PRESSURE WAS TESTED IN STATIONARY POSITION AND IN DRIVING AND FUEL PRESSURE APPEARED FINE. DEALERSHIP NOTED NO ISSUES. UPON PICKING THE VEHICLE UP AFTER INSPECTION THE ENGINE CUT OUT AGAIN WHILE DRIVING ON THE WAY HOME, AGAIN WITHOUT WARNING. INCIDENTS OCCURRED ON DRY ROADS. OUTSIDE TEMPERATURES HAVE VARIED FROM 50 F TO 90 F AND LENGTH OF DRIVE TIME HAS ALSO VARIED FROM THREE HOURS AT TIME OF OCCURRENCE TO ONLY MINUTES AFTER START UP. INCIDENTS HAPPEN AT RANDOM AND NOT EVERY TIME VEHICLE IS DRIVEN.