Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2003 record →
WHILE DRIVING OR IDLING, THE "CHECK ENGINE LIGHT" IS DISPLAYED. ENGINE GOES INTO "REDUCED POWER MODE". DEALER REPLACED ACCELERATOR CONTROL MODULE. THIS DID NOT CORRECT THE PROBLEM. THEY NOW THINK IT IS THE THROTTLE BODY. TIME WILL TELL, MEAN WHILE I AM WITHOUT MY $45,000.00 TRUCK. *JB
THE FRONT AND REAR RIGHT TIRES EXPERIENCED TREAD SEPARATION. *JB THE TWO RIGHT SIDE TIRES HAD BLOWN OUT. THE VEHICLE HAD GONE INTO A 360 DEGREE TURN ON THE INTERSTATE. *SCC
WHILE DRIVING INTERMITTENTLY THE ENGINE LIGHT COMES ON, VEHICLE VIBRATES AND SPEED WILL DECREASE TO 30 MPH ALL AT THE SAME TIME. THE DEALERSHIP CAN NOT LOCATE PROBLEM, BUT THINKS IT HAS TO DO WITH THE THROTTLE BODY. PLEASE PROVIDE MORE DETAILS.
CONSUMER STATES THAT WHILE DRIVING WITHOUT WARNING THE VEHICLE WILL ACCELERATE AND IT WILL BE HARD FOR THE CONSUMER TO GET CONTROL OF THE VEHICLE TO DECELERATE. DEALER NOTIFIED. MR
NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.
Full record for the 2003 GMC Yukon → · Every Yukon year → · How the figures are calculated →