2005 GMC SAVANA Electrical System Problems

WHILE DRIVING ON BUMPY ROAD AT 30 MILES / HOUR CAR TURNS OFF. I COULD NOT TURN, POWER STEERING LOCKED. CAR EVENTUALLY STOPPED IN THE MIDDLE OF THE BUSY ROAD AND I BRAKE, CHANGED GEARS TO PARK. I TURN IGNITION KEY OFF AND THEN TURNED IT ON AGAIN. THIS HAPPEN A FEW TIMES. I TRY TO AVOID BUMPY AREAS. I TOOK TO MECHANIC & HE FOUND NOTHING WRONG WITH ENGINE. I DID TO MENTION IT ONLY HAPPENS ON BUMPY RIDES, ( HE DROVE IT ON EXPRESSWAY). I JUST FOUND OUT GMC CARS HAVE A RECALL ON KEY IGNITIONS BUT NOT MY 2005 GMC. I CONTACTED GMC AND MY LOCAL DEALER BUT THEY SAY IT IS NOT RECALLED AND UNLESS IT HAPPENS WHILE THEY DRIVE IT THEY CAN'T DIAGNOSE IT. THEY WILL NOT FIX IT UNLESS THEY DIAGNOSE IT. *TR

2005 GMC SAVANNA WITH TIRE FAILURE. CONSUMER STATES THAT THE VAN HAS HAD THREE TIRE BLOW OUTS. HE STATED THAT THE BLOW OUTS OCCURRED ON THE SAME TIRE AND THE SAME SPOT. *KB THE CONSUMER WAS TOLD THE LOW PROFILE TIRES WERE NOT A GOOD MATCH FOR THE VEHICLE. THE CONSUMER ALSO STATED HE HAS EXPERIENCED PROBLEMS WITH THE ELECTRONICS AND THE WHEELS. *JB