*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Engine
WHILE SITTING IDLE MY VEHICLE SUDDENLY WENT INTO REDUCED ENGINE POWER MODE. I WAS ABLE TO GET OVER AND PULL OFF THE ROAD AND SHUT OFF THE CAR. 5 MINUTES LATER THE CAR STARTED LIKE THERE WAS NO PROBLEM. OVER THE NEXT FEW DAYS THE REP WARNING WOULD SHOW UP AND MY CAR WOULD SUDDENLY LOSE POWER. I WAS CROSSING THE ROAD DURING ONE INCIDENT. HOWEVER, WHEN I WOULD SHUT OFF THE CAR AND RESTART THE CHECK ENGINE LIGHT WOULD GO AWAY AS WOULD THE REP WARNING. AFTER A QUICK REVIEW ONLINE IT IS EASY TO FIND HUNDREDS OF PEOPLE WHO HAVE A SIMILAR ISSUE. GM WILL ONLY DIAGNOSE AND IF THE LIGHT IS OFF WHEN YOU GET THERE THERE IS NOTHING FOR THEM TO DO EXCEPT TAKE YOUR MONEY AND SAY GOOD LUCK.
Jun 12, 2015 · 179,000 milesService brakes, hydraulicCrash
IN DECEMBER 2013 MY WIFE AND I WERE DRIVING OUR 2003 GMC YUKON XL 2500 4X4 OUTSIDE OF COOPERSTOWN, NEW YORK. THE BRAKES FAILED ON ROUTE 26 COMING DOWN THE HILL TOWARDS ROUTE 28. IT WAS SNOWING AND ABOUT 11:30 AT NIGHT. WE SLID SIDEWAYS DOWN THE HILL AND ACROSS ROUTE 28. THE ONLY THING THAT STOPPED US FROM ROLLING OVER AN EMBANKMENT WAS THE NEW METAL GUARDRAIL THAT WAS RECENTLY INSTALLED ALONG ROUTE 28. FORTUNATELY, WE WERE NOT INJURED, AND THERE WAS NO ONE ELSE ON THE ROAD. I EXPERIENCED IMMEDIATE AND COMPLETE BRAKE FAILURE. MY BRAKE PEDAL WENT COMPLETELY TO THE FLOOR. IT WAS NOT A SLOW PROCESS. OUR YUKON IS WELL MAINTAINED AND HAS ONLY 89,000 MILES ON IT. 1 - MY LOCAL DEALER, WHERE I…
Dec 21, 2013 · 89,000 milesService brakes, hydraulic › Foundation components › Hoses, lines/piping, and fittings
TL* THE CONTACT OWNS A 2003 GMC YUKON XL 2500. WHILE DRIVING APPROXIMATELY 70 MPH, THE BRAKES FAILED. WHEN THE CONTACT ATTEMPTED TO APPLY THE EMERGENCY BRAKE TO SLOW DOWN THE VEHICLE, IT ALSO FAILED. THE CONTACT WAS ABLE TO DOWNSHIFT ENOUGH TO STOP THE VEHICLE. THERE WERE NO WARNING INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. AN INDEPENDENT MECHANIC STATED THAT THE BRAKE LINES WERE CORRODED AND ONE OF THE LINES WAS SEVERED. IN ADDITION, BRAKE FLUID WAS LEAKING FROM THE VEHICLE. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 166,000.
Aug 5, 2014 · 166,000 milesService brakes, hydraulic
2003 GMC YUKON XL 2500 SUDDEN BRAKE FAILURE. WHILE DECELERATING TO ENTER A RESIDENTIAL DRIVEWAY, BRAKE FAILURE OCCURRED. DUE TO LOW SPEED (<20 MPH) AT THE TIME, I WAS ABLE TO STOP THE VEHICLE USING THE PARKING BRAKE. HAD THIS OCCURRED MOMENTS EARLIER WHILE DECELERATING FROM THE FREEWAY INTO A BUSY INTERSECTION, THERE COULD HAVE BEEN FATALITIES. WHILE STOPPING, SMOKE WAS SEEN COMING FROM THE FRONT AND LEFT WHEEL WELL OF THE VEHICLE. AFTER STOPPING, I EXAMINED THE VEHICLE AND FOUND THE METAL BRAKE LINE HAD RUPTURED WHERE IT CROSSES OVER THE FRAME RAIL LEADING TO THE FRONT LEFT BRAKE. THERE WAS BRAKE FLUID SPRAYED AROUND THE LEFT SIDE OF THE ENGINE BAY, AND THE EXHAUST HEADER WAS STILL…
Jul 13, 2011 · 160,000 milesElectrical system
JUNE 8, 2010 ALL DASH LIGHTS WENT OUT. THE DEFECTIVE PART WAS REPLACED IN 2006 AND HAS FAILED AGAIN. *TR
Jun 8, 2010 · 166,000 milesEngine and engine cooling
SINCE NOVEMBER 2008, MY 2003 GMC YUKON XL 2500 HAS HAD EPISODES WHERE THE SERVICE ENGINE LIGHT COMES ON AND THE ENGINE GOES INTO REDUCED POWER MODE. IN THIS REDUCED POWER MODE, THE VEHICLE WILL REACH A TOP SPEED OF AROUND 25MPH. I HAVE TAKEN IT TO NUMEROUS GM DEALERS TO FIX THE PROBLEM, AND THEY HAVE REPLACED THE THROTTLE BODY ASSEMBLE AND WIRING HARNESS MULTIPLE TIMES AND THE PROBLEM KEEPS RECURRING. I HAVE BOUGHT A SCANNER WHICH I CAN ERASE THE CODES BECAUSE IT IS VERY DANGEROUS TO BE DRIVING 65MPH WITH SEMITRUCKS ON YOUR TAIL WHEN YOU SUDDENLY FOR NO REASON LOSE POWER AND CAN'T GET OVER TO THE SIDE OF THE ROAD. THERE HAVE BEEN MANY CLOSE EPISODES WHERE WE WERE ALMOST IN AN ACCIDENT.…
Nov 22, 2008 · 121,000 milesElectrical system › Instrument cluster/panel
SPEEDOMETER READING AS MUCH AS 50MPH OVER ACTUAL SPEED, CAUSING SAFETY ISSUE. OTHER GAUGES OCCASIONALLY SHOWING INCORRECT VALUES (FUEL, ALTERNATOR, ETC). *TR
Dec 23, 2007 · 74,000 milesElectrical system › Instrument cluster/panel
(1) THERE WERE NO EVENTS LEADING UP TO THE FAILURE. (2) RPM GAUGE GETS STUCK ON AN RPM AND WILL STAY THERE AND SPEEDOMETER WONT GO TO 0 LOWEST IT GOES IS 10MPH (3) HAVEN'T HAD A CHANCE TO CORRECT THIS PROBLEM. *TR
Jan 19, 2008 · 76,000 miles
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.