What owners reported
Newest filingsElectrical System
Filed Dec 12, 2017230,000 milesMO
VEHICLE RANDOMLY GOES INTO REDUCE ENGINE POWER MODE AND STALLS WHILE DRIVING. THIS HAS HAPPENED MULTIPLE TIMES WHILE DRIVING ON A HIGHWAY AND GOING UP A HILL WHERE IT NEARLY CAUSED A THREE CATASTROPHIC ACCIDENTS. BASIC RESEARCH SHOWS THAT GM HAS KNOWN ABOUT THIS ISSUE SINCE THE VEHICLES WERE A FEW YEARS OLD AND IT AFFECTS MANY YEARS OF GM VEHICLES. THERE IS A PROBLEM WITH BAD GROUNDING CONNECTORS RELATED TO THE THROTTLE BODY SENSOR AND AND WIRING HARNESS.
Service BrakesCrash
Filed Jan 5, 2017IL
BRAKE LINES CORRODED RESULTING IN LOSS OF BRAKES AND REAR ENDING SCHOOL BUS. REPLACED ALL BRAKE LINES AT MY COST AS WELL AS THE DAMAGE TO THE FRONT END OF THE TRUCK. NOW, THE KNOWN ABS BRAKE SENSOR ISSUE IS ACTIVATING THE ABS AT LOW SPEEDS.
Electrical System
Filed Jun 16, 2016188,000 milesAR
TL* THE CONTACT OWNS A 2003 GMC YUKON XL 1500. THE CONTACT MENTIONED THAT THE PREVIOUS OWNER OF THE VEHICLE EXPERIENCED A FAILURE WITH THE REDUCED ENGINE POWER WARNING INDICATOR. THE DEALER REPLACED THE THROTTLE BODY, BUT THE FAILURE CONTINUED BEFORE THE CONTACT OWNED THE VEHICLE. THE CONTACT EXPERIENCED THE WARNING LIGHT RANDOMLY FLASHING, WHICH DRASTICALLY REDUCED THE SPEED TO LESS THAN 20 MPH. THE CONTACT HAD TO CONSTANTLY TURN OFF AND RESTART THE VEHICLE, BUT THE FAILURE CONTINUED TO PROGRESS RANDOMLY. THE DEALER REPLACED THE WIRING, 02 SENSOR, THE THROTTLE BODY WAS REPLACED A SECOND TIME, THE BATTERY, AND THE ALTERNATOR. THE REPAIRS FAILED TO PROVIDE A PERMANENT SOLUTION AND THE WARNING LIGHT CONTINUED TO ILLUMINATE FOR THE REDUCED ENGINE POWER. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 188,000.
Electronic Stability Control (esc)
Filed Feb 2, 2016198,000 milesWV
ANTILOCK BRAKES BEGAN TO APPLY THEMSELVES IN RIGHT HAND TURNS GOING UP AND DOWN HILL AT SPEEDS UP TO 45 MPH. ALMOST CAUSES ME TO LOOSE CONTROL OF VEHICLE. HAD TO TAKE TO HURRICANE CHEVROLET SEVERAL TIMES TO GET FIXED COST ALMOST $4000
Electrical System
Filed Jan 5, 2016250,000 milesMA
REDUCED ENGINE POWER MODE ON HWY AT 70 MPH
Service Brakes
Filed Sep 28, 2015168,260 milesCA
WHILE TRAVELING TO WORK MY VEHICLES CHECK ENGINE LIGHT CAME ON AND THE REDUCED POWER WARNING CAME ON AT WHICH TIME I HAD COMPLETE LOSS OF ACCELERATION, COMPLETE LOSS OF BRAKING, AND COMPLETE LOSS OF STEERING POWER. I THEN HAD TO COAST TO A STOP AND ATTEMPTED TO RESTART THE VEHICLE 6 TIMES BEFORE I WAS ABLE TO GET THE REDUCED POWER WARNING TO GO OFF AND WAS ABLE TO DRIVE ALTHOUGH THE CHECK ENGINE LIGHT STAYED ON. THIS IS THE 2ND TIME THIS HAS HAPPENED TO ME IN 2 DAYS WITH THE LOSS OF POWER. I HAVE HAD THE REDUCED POWER WARNING ON NUMEROUS OCCASIONS YEARS PAST BUT NEVER HAVE I LOST TOTAL / ABSOLUTE POWER TO CONTROL THE VEHICLE, THIS IS A TOTAL DEATH TRAP FOR ANYONE WHO HAS HAD THIS EXPERIENCE, ESPECIALLY ON THE FREEWAY OR HIGHWAYS AT HIGH SPEEDS. I HAVE READ NUMEROUS ACCOUNTS OF THIS SAME ISSUE AFFECTING OTHER GMC OWNERS AND HAVE SEEN NO RESOLUTIONS OR ANY RECALLS FROM GMC. I HAVE ALREADY REPLACED THE THROTTLE HOUSING AND HARNESS COMPONENTS, ACCELERATION PEDAL SENSOR AND YET THE ISSUE CONTINUES, SOMEONE IS GOING TO ( DIE ) BECAUSE OF GMC'S LACK OF CONCERN AND RESPONSIBILITY TO OWNERS OF THEIR PRODUCTS. I WILL NEVER EVER OWN ANOTHER GMC ASSOCIATED PRODUCT.
Vehicle Speed ControlCrash4 injured
Filed Sep 23, 2015MD
THERE IS AN ERROR MESSAGE THAT DISPLAYS ON THE DASH FOR MYSELF AND THOUSANDS OF OTHERS WHO OWN GMC/CHEVY TRUCKS WITH THESE MOTORS. THEY HAVE A DEFECTIVE THROTTLE POSITION SENSOR WITH THE TRUCK WHERE IT SAYS "REDUCED ENGINE POWER". I'VE FOUND 2 TECHNICAL SERVICE BULLETINS THAT SOMEWHAT ADDRESS THE ISSUE, BUT MANY PEOPLE TAKE THEIR TRUCKS TO MECHANICS AND DEALERSHIPS TO GET THE ISSUE FIXED AND SPEND THOUSANDS OF DOLLARS IN REPAIRS AND TROUBLESHOOTING TO GET THE ISSUE RESOLVED, TO NO AVAIL. THE 2 TECHNICAL SERVICE BULLETINS THAT I FOUND WERE #PIP3089B (DATED 10/31/2006) AND #PIP3042A (DATED 8/30/2004). I'VE SEEN ON MANY MANY FORUM POSTS ABOUT THIS ISSUE AND POSSIBLE FIXES, WHICH WHEN I READ DEEPER INTO THEM, SEEM TO NOT BE TRUE FIXES.
Engine
Filed Sep 15, 2015MD
I KEEP HAVING THE DISPLAY SAY "REDUCED ENGINE POWER". I'LL BE DRIVING ON THE HIGHWAY, DOING 65 IN RUSH HOUR TRAFFIC, WHEN ALL OF THE SUDDEN THE ACCELERATOR NO LONGER ACCELERATES AND IT DISPLAYS "REDUCED ENGINE POWER" ON THE GAUGE CLUSTER DISPLAY. FROM WHAT I'VE SEEN ONLINE IT APPEARS TO BE AN ISSUE WITH THE THROTTLE POSITION SENSOR ON THOUSANDS OF OTHER SIMILAR VEHICLES WITH THE SAME ENGINE, CHEVY SUBURBAN'S, SILVERADO'S, TAHOE'S, ETC. I REPLACED THE THROTTLE POSITION SENSOR AND THE HARNESS (BECAUSE I HEARD THE HARNESS MIGHT ALSO BE AN ISSUE) AND I AM STILL HAVING THE SAME PROBLEM WITH MY TRUCK. IT HAS DONE IT OVER A DOZEN TIMES ON ONE TRIP BACK FROM WORK (80 MILES FOR ME). I HAVE TO PULL OVER TO THE SIDE OF THE ROAD (IF POSSIBLE) AND TURN OFF THE TRUCK, THEN WAIT A SHORT PERIOD OF TIME, THEN TURN THE TRUCK BACK ON. THIS USUALLY FIXES THE ISSUE, BUT IT DID NOT HELP ME WHEN IT HAPPENED TO ME IN THE TUNNEL AND I WAS GOING 5 MPH (TOP SPEED DURING THE "REDUCED ENGINE POWER" MODE, ONCE YOUR DRIFTING STOPS (BECAUSE YOU DRIFT, IT DOESN'T ENGAGE THE BRAKES). I WAS EXTREMELY WORRIED THAT I WOULDN'T MAKE IT OUT OF THE TUNNEL WITHOUT GET REAR ENDED, AND ONCE I MADE IT OUT, I WAS JUST OUTSIDE OF THE TUNNEL AWAITING ROADSIDE ASSISTANCE, IT WAS VERY FRIGHTENING, WITH MY DAUGHTER IN THE CAR.
Service BrakesCrash
Filed Jun 22, 2015135,000 milesNY
IWAS DRIVING AT LOW SPEED WENT TO STOP AT STOP SIGN WHEN BRAKE PEDDLE WENT TO FLOOR.I CRASHED INTO STOP SIGN TO STOP . TRUCK WAS TOWED TO DEALER. I WAS TOLD TO MAJOR BRAKE LINE BURST. TRUCK IS NOW AT DEALER BEING FIXED. AT A PRICE OF 2800.00. SOMETHING HAS TO BE DONE. THIS CAN'T GO ON ANY LONGER.
Vehicle Speed Control
Filed Feb 23, 2015106 milesMI
VEHICLE HAS BEEN SERVICED SEVERAL TIMES SINCE FIRST OCCURRENCE IN SEPTEMBER 2014. "REDUCED ENGINE POWER" AND SERVICE ENGINE SOON SIGNALS APPEAR ON VEHICLE PANEL CAUSING ENGINE POWER TO BE REDUCED IN A MATTER OF SECONDS. HAS HAPPENED TO ME GOING 10MPH, 55MPH, AND 70MPH ON HIGHWAY, CAUSING A NEAR REAR COLLISION BECAUSE I LOST POWER SO QUICKLY. I HAVE HAD IT SERVICED 6 OR 7 TIMES SINCE SEPTEMBER 2014 AND THIS ISSUE IS NOT GETTING RESOLVED. THROTTLE BODY SENSOR REPLACED TWICE, THROTTLE BODY HARNESS REPLACED, ALL WIRES, AND SENSORS HAVE BEEN CLEANED AND THOROUGHLY INSPECTED. REDUCED ENGINE POWER OCCURS WEEKLY EVEN AFTER BEING SERVICED. *TR
Service Brakes
Filed Sep 12, 2014127,000 milesOH
TL* THE CONTACT OWNS A 2003 GMC YUKON XL 1500. WHILE DRIVING APPROXIMATELY 10 MPH, THE BRAKES FAILED AND THE BRAKE PEDAL EXTENDED TO THE FLOORBOARD WHEN APPLIED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 127,000.
Engine
Filed Sep 10, 2014149,000 milesNM
WHILE DRIVING POSTED SPEED ON EXPRESSWAY VEHICLE SUDDENLY SHUT OFF. LEAVING NO POWER STEERING NO POWER BRAKES. I SEE MANY COMPLAINTS ON YOUR WEBSITE AS WELL AS ONLINE. ARE YOU DOING ANYTHING ABOUT THIS ISSUE? IT IS THE SAME ISSUE THAT YOU ARE CURRENTLY REQUIRING GM TO RECALL OVER 1 MILLION VEHICLES FOR. YOUR CURRENT RECALL ONLY GOES BACK TO THE 2009 MODELS. WHY ARE YOU NOT REQUIRING ALL GM VEHICLES RECALLED SINCE 1996? THEY ALL HAVE THE SAME KEY LOCK SYSTEM AND SAME ABS SYSTEMS BOTH OF WHICH SEEM TO CONTRIBUTE TO OR CAUSE THE PROBLEM. IF A VEHICLE IS BUILT WITH A SAFETY HAZARD DOES THE FACT THAT IT IS OLDER MEAN THAT IT IS NO LONGER A MANUFACTURER'S RESPONSIBILITY TO REPAIR IT? SINCE THE GOVERNMENT OWNS GM HOW ARE YOU AFFECTED IN INITIATING A RECALL? THE GOVERNMENT DOES NOT ALLOW OTHER COMPANIES TO POLICE THEMSELVES, YET IS THAT NOT WHAT YOU ARE DOING WITH GM? *TR
Service Brakes
Filed Aug 23, 2014149,125 milesNJ
COMING DOWN AN ONRAMP ONTO THE HIGHWAY, I BRAKE TO YIELD ONLY TO HAVE THE BRAKE PEDAL DROP NEARLY TO THE FLOOR. THIS CAUGHT ME OFF GUARD AND AS I WAS FORCED TO MERGE INTO TRAFFIC I ATTEMPT TO APPLY THE BRAKE AGAIN ONLY TO HAVE IT DROP FURTHER. SO I ATTEMPTED TO GRADUALLY APPLY THE EMERGENCY BRAKE BUT IT ALSO ENDED UP FULLY EXTENDED AND HAVING NO EFFECT. WITH MAIN BRAKING POWER ALMOST GONE, I USED A LOWER TRANSMISSION GEAR TO SLOW THE VEHICLE AND EXIT THE HIGHWAY INTO A PARKING LOT. THERE I DISCOVERED EXCESSIVE BRAKE FLUID LOSS COMING FROM THE DRIVER SIDE REAR WHEEL/SUSPENSION AREA. DEALER REPAIR REPORT: "FOUND VEHICLE TO HAVE LOST BREAKING ABILITY. FOUND REAR BRAKE LINES FROM ABS HUB RUSTED OUT CAUSING SYSTEM TO LOOSE BRAKING. REMOVED AND REPLACED REAR BRAKE LINES FROM ABS HUB TO MASTER." CONSIDERING THE BUSY HIGHWAY I WAS ENTERING AND ABSOLUTE NO WARNING FROM THE VEHICLE EITHER BY ELECTRONICS OR "FEEL", I CONSIDER IT A MIRACLE I WAS NOT IN A CRASH OR WORSE. AN ASE CERTIFIED MECHANIC TOLD ME THAT THE BRAKE LINES CORRODE, LIKELY DUE TO WINTER ROAD SALT EXPOSURE OVER TIME, AND ON THE YUKON ARE IN A LOCATION IN THE REAR THAT MAKES IT DIFFICULT IF NOT IMPOSSIBLE TO INSPECT OTHER THAN BY "FEEL" (INSTEAD OF VISUALLY). *TR
Service Brakes
Filed Jul 29, 2014130,000 milesOH
DRIVING VEHICLE WHEN BRAKES WENT SOFT AND FAILED PULLED OVER TO SIDE OF ROAD, TOWED CAR HOME REPLACING ALL BRAKE LINES DUE TO EXCESSIVE CORROSION. *JS
Service Brakes
Filed Jun 22, 201475,300 milesNJ
LOST BRAKES DUE TO RUSTED FAILURE OF METAL BRAKE LINES. THE BRAKE PEDAL WENT TO THE FLOOR AND I HAD TO DRIVE OFF THE ROAD TO AVOID AN ACCIDENT. *TR
Service Brakes
Filed Apr 6, 2014149,000 milesNY
TRAVELING ON BQE 3 LANE CROWDED HIGHWAY IN BROOKLYN WHEN ATTEMPTED TO BRAKE FOR EXIT AND BRAKE PEDAL WENT TO FLOOR - NO BRAKES - I LUCKILY WAS ABLE TO STOP THE VEHICLE ON LEVEL ROAD AND AVOIDED ACCIDENT. I COULD HAVE BEEN KILLED. IT WAS NOT MY DAY TO DIE BUT I THOUGHT IT WAS.....THEN I SAW THE NHTSA INVESTIGATION EA 11001 AND READ THE INTERNET POSTS ON THIS GM PROBLEM AND CAN'T BELIEVE THERE HAS BEEN NO RECALL....HOW MANY PEOPLE NEED TO DIE? *TR
Service Brakes
Filed Aug 14, 201363,174 milesGA
TL* THE CONTACT OWNS A 2003 GMC YUKON DENALI XL 1500. THE CONTACT WAS DRIVING 65 MPH WHEN THE ABS WARNING INDICATOR LAMP ILLUMINATED. THE VEHICLE WAS TAKEN FOR REPAIR WHERE THE CONTACT LEARNED THAT THE ELECTRONIC BRAKE CONTROL MODULE WAS DISCONTINUED. THE VEHICLE WAS NOT DIAGNOSED AND THE MANUFACTURER WAS MADE AWARE OF THE POTENTIAL ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 63,174. UPDATED 10/17/13*LJ THE INFORMED THE CONSUMER, THEY REPLACED A SWITCH IN THE BRAKE SYSTEM USED TO EQUALIZE PRESSURE BETWEEN THE WHEELS. AFTER THE CONSUMER LEFT THE DEALERSHIP, THE WARNING LIGHTS ILLUMINATED AGAIN. THE CONSUMER RETURNED TO THE DEALER, THE NEXT DAY AND AN INSPECTION REVEALED A PROBLEM WITH THE EBCM. THE CONSUMER WAS INFORMED THE PART WAS DISCONTINUED. UPDATED 10/24/12
Service Brakes, Hydraulic
Filed Apr 30, 2013110,000 milesMD
TL* THE CONTACT OWNS A 2003 GMC YUKON XL 1500. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 15 MPH, THE STABILITY SYSTEM WARNING LIGHT ILLUMINATED AND THE BRAKES BECAME UNRESPONSIVE. AFTER PARKING THE VEHICLE, THE CONTACT NOTICED THAT THE BRAKE FLUID WAS LEAKING FROM UNDER THE VEHICLE. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 04V045000 (SERVICE BRAKES, HYDRAULIC) BUT WAS ADVISED BY THE MANUFACTURER THAT THE VIN WAS NOT INCLUDED IN THE RECALL. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 110,000. *TR
Engine
Filed Mar 8, 2013106,000 milesMS
DRIVING DOWN THE HIGHWAY AND THE ENGINE SHOWS REDUCED ENGINE POWER LIGHT. ENGINE SHUTS DOWN AND NOT ABLE TO DRIVE OVER 10 MPH. I UNDERSTAND THAT THIS IS A WIDESPREAD PROBLEM ON GMC VEHICLES AND IN MY OPINION IS A VERY SERIOUS SAFETY HAZARD. *TR
Engine
Filed Nov 29, 2012156,000 milesCO
WHEN DRIVING THE VEHICLE IT DRIVES FINE BUT WHEN IT GETS TO SPEEDS AROUND 50-60 IT WILL COMPLETELY SHUT OFF I HAVE TO PUT IT ON N AND TURN THE KEY ALL THE WAY BACK AND THEN TRY STARTING IT AGAIN. AFTER IT TURNS OFF THE FIRST TIME THEN IT WILL START TURNING OFF MORE RANDOMLY. I HAVE BEEN READING ONLINE AND IT SEEMS TO BE A KNOWN ISSUE WITH THESE TRUCKS AROUND THE SAME YEAR. *TR
20 of 63 complaints, reproduced as filed.