NHTSA Complaint #10691930 — 2011 GMC TERRAIN

DURING A NORMAL COMMUTE ON ROUTE ON 2/15 RECEIVED ABOUT 3 MILES INTO THE DRIVE RECEIVED A WARNING ERROR - LOSS OF ENGINE POWER AND THE CAR WOULD NOT ACCELERATE. THE CAR STARTED SHAKING VIOLENTLY AND RECEIVED A STABILITITRAK ERROR. THE CAR WAS PULLED TO THE SIDE OF THE ROAD AND PLACED IN NEUTRAL. THE SHAKING BECAME WORSE AND THE CAR WAS SHUT OFF. AFTER TWO MINUTES THE CAR WAS STARTED AGAIN, WITH NO ISSUES AND WAS DRIVEN 6 MORE MILES WITHOUT ISSUE. AFTER 6 MILES OF DRIVING THE SAME ENGINE POWER WARNING AND STABILITRACK ERROR CAME BACK. THE CAR WAS VIOLENTLY SHAKING AND THE DRIVER SHUT IT OFF. IT WAS TOWED TO THE DEALERSHIP. THE DEALERSHIP RECEIVED ONE CODE FOR THE THROTTLE SENSOR POSITIONER. THE CODE WAS RESET AND A LOOSE CONNECTION WAS DIAGNOSED AS THE FAULT AND RETURNED TO OWNER. FIVE DAYS LATER THE CAR WAS STARTED IN THE GARAGE. UPON STARTUP IT STARTED AGAIN TO SHAKE VIOLENTLY. THE CAR WAS PUT IN REVERSE AND BEGAN TO SHAKE VIOLENTLY AND THE DRIVER RECEIVED A STABILITRAK WARNING LIGHT. THE CAR WAS SHUT OFF AND WAS AGAIN TOWED TO THE DEALERSHIP. THE DEALERSHIP FOUND TWO CODES CRANK POSITION SENSOR AND MISFIRE. THE CAR WAS DRIVEN FIVE MILES WITH NO ISSUES. THE DEALERSHIP CANNOT LOCATE THE ROOT CAUSE OF THE PROBLEM. THIS UNDIAGNOSED ISSUE POSSES A SEVERE SAFETY RISK TO THE OWNER OF THE CAR AND FAMILY IF IT WERE TO OCCUR AGAIN WHILE DRIVING IN CONGESTED TRAFFIC OR ON A HIGHWAY. *TR