What 977 owners told NHTSA about the 2015 GMC Yukon Denali Xl 1500

WHILE TRAVELING ON A HIGHWAY TO WORK-RELATED CAMP, UPON ARRIVAL, CO-WORKERS INFORMED ME ONE OF MY BRAKE LIGHTS WAS OUT. BRAKELIGHT WORKED SPORADICALLY BEFORE COMPLETELY GOING OUT FOR ABOUT 2 WEEKS FINALLY BEING ABLE TO SHOW SERVICE DEPARTMENT. RESEARCHED CARGURUS AND NUMEROUS PEOPLE REPORTED THE CIRCUIT CRACKS AND EVENTUALLY BURNS OUT. DESIGN FLAW WHICH TURNS INTO A SAFETY ISSUE!!! RECALL IS NEEDED!!!

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THERE IS AND HAD BEEN A KNOWN DEFECT WITH 2015, 2016 AND 2017 GMC YUKON AND DENALI REAR TAIL LIGHTS SHORTING OUT. GMC HAS NOT ISSUED A RECALL, HOWEVER, MANY HAVE COMPLAINED. THE LED TAIL LIGHT CIRCUIT BOARD IS CRACKS WHICH CAUSES A SHIRT THAT CAUSES THE LIGHTS TO NOT WORK. IF YOU SEARCH THE INTERNET, IT IS VERY CLEAR THIS IS A HUGE ISSUE WITH YUKON OWNERS. YET, GMC WILL NOT ISSUE A RECALL. NEW TAIL LIGHT COST $1,000. THIS IS CLEARLY A MANUFACTURING DEFECT. IF YOU COULD PLEASE LOOK INTO THIS, WE WOULD ALL BE GRATEFUL. I AM CONCERNED MY YOUNG FAMILY WILL BE SERIOUSLY INJURED IF THE LIGHTS STOP WORKING AND THEY ARE HIT IN THE REAR.

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MY 2015 YUKON XL HAS NO BRAKE LIGHT THAT IS WORKING ON THE LEFT SIDE. I THOUGHT MAYBE YOU COULD REPLACE THE BULB BUT AS I FOUND OUT, IT IS A LED SEALED UNIT THAT WAS NEVER MEANT TO GO OUT. NOW AS I LOOK UP THIS PROBLEM WITH OTHER YUKON XL OWNERS, I SEE THAT IT IS A PROBLEM WITH LOTS OF OWNERS! SO WHY IS THIS NOT A RECALL ITEM BY NOW. APPARENTLY IT IS A BIG ISSUE! A NEW WHOLE LIGHT ASSEMBLY TO FIX THIS ISSUE IS OVER 800 BUCKS! THESE BRAKE LIGHTS NOT WORKING ARE A HUGE SAFETY ISSUE!

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REAR BRAKE LIGHT ASSEMBLY FAILING TO LIGHT WHEN BRAKES APPLIED AND THERE IS NOT A NOTIFICATION TO THE DRIVER. THIS IS A MANUFACTURE FLAW WITH THE LED LIGHT CIRCUIT INSIDE THE ASSEMBLY. THERE IS NOT A LIGHT OUT NOTIFICATION SO THE DRIVER IS NOT AWARE THE BRAKE LIGHT HAS FAILED. THIS IS A SAFETY ISSUE AND IS AN WELL KNOWN ISSUE ON THE 2015-2019 YUKON. THIS IS OCCURRING OFTEN AND GMC IS HAVING PROBLEMS WITH SUPPLYING REPLACEMENTS BECAUSE THE DEMAND IS SO HIGH FROM THE FAILURE. GMC HAS ALSO RAISED THE PRICE OF THE BRAKE LIGHT BY 30% FROM $425 TO $675 NOT INCLUDING LABOR. I CALLED THE DEALER AND THEY INFORMED IT WAS A HIGH FAILING ITEM AND WAS ON BACKORDER AND NOT SURE WHEN THEY WOULD GET ONE. DRIVING THE VEHICLE WITHOUT PROPER BRAKE LIGHTS IS A SAFETY CONCERN AND NOT LEGAL SO LEFT WITH LITTLE OPTION BUT TO STOP DRIVING THE YUKON.

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THE BRAKE PEDAL WAS VERY HARD AND WOULD NOT COMPLETELY STOP THE VEHICLE AS VERY LOW SPEED IN THE DRIVEWAY. STOPPED AND RESTARTED THE ENGINE AND THE OPERATION WAS NORMAL. THIS HAS OCCURRED ONE TIME EARLIER SEVERAL MONTHS BEFORE AND HAS OPERATED NORMALLY SINCE.

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WHILE SITTING STILL AT A DRIVE THROUGH, BRAKE PEDAL WENT TO FLOOR AS IF IT HAD NO PRESSURE. HAD NO BRAKES! NO MATTER HOW HARD I STOOD ON PEDAL THE CAR WOULD NOT COME TO COMPLETE STOP WHEN ROLLING. BLEW THROUGH STOP SIGNS AND LIGHTS BECAUSE EVEN AT 10 MPH COULD NOT STOP VEHICLE FROM ROLLING. HAD JUST GOT OFF INTERSTATE DOING 70 MPH. DOWN HILL GRADE WAS IMPOSSIBLE. FOUND OUT THAT THIS WAS A KNOWN ISSUE BY GM INVOLVING FAILURE OF VACUUM PUMP BOOSTER. MANY REPORTS, HOPEFULLY NOT MANY DEATHS CAUSED.

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REAR BRAKE AND TAIL LIGHTS DO NOT WORK INTERMITTENTLY. SOMETIMES THE LIGHTS WORK AND SOMETIMES THEY DON'T.

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THE BRAKE/TAIL LIGHTS WORK SOMEDAYS, AND NOT OTHER DAYS. ONE DAY THE ARE BOTH WORKING, ONE DAY ONLY ONE WORKS, AND SOME DAYS NEITHER WORK. THIS IS A PROBLEM THAT IS VERY PREVALENT. JUST LOOK ONLINE. I HAVE PERSONALLY PHOTOGRAPHED SEVERAL OF THE SAME ISSUE ON THIS MAKE AND MODEL IN MY HOMETOWN. THE DEALERSHIP WANTS ME TO PAY $1300 TO HAVE NEW LIGHTS INSTALLED AND GMC IS IN DENIAL OF THEIR PROBLEM.(THE BACK UP/REVERSE WHITE LIGHT WORKS ALL OF THE TIME, ITS THE RED BRAKE/TAIL LIGHT THAT DOESN'T WORK) THIS SHOWS THAT ITS AN ISSUE THAT SHOULD BE RECALLED, NOT REPLACED AT THE OWNER'S EXPENSE.

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BOTH BRAKE LIGHTS WORK INTERMITTENTLY. IF YOU TAP HARD ON IT THEY SOMETIMES COME BACK ON BUT DON'T STAY ON. I TOOK TO GMC DEALER WHERE THEY INFORMED ME THEY'VE HAD A DOZEN YUKON'S IN RECENTLY WITH THE SAME ISSUE. DEALER INDICATED ISSUE IS FAULTY CIRCUIT BOARD THAT OVERHEATS CAUSING THE LIGHTS TO SHORT OUT. I'M OUT OF MANUFACTURERS WARRANTY. EXTENDED WARRANTY DOES NOT COVER LIGHTS. DEALER CHARGES $800 PER LIGHT (PART ONLY).

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BRAKES DON'T WORK WELL WHEN TRAVELING AT LOW RATES OF SPEED. STOPPING REQUIRES BRAKES TO BE PRESSED TO THE GROUND AND STILL MAY NOT STOP. I HAVE ALMOST HAD SEVERAL ACCIDENTS EVEN AFTER HAVING THE ISSUE 'REPAIRED' LAST YEAR. I'VE HAD THE PROBLEM ASSESSED AT 3 DIFFERENT MECHANICS. I HAVE HAD TO THROW MY CAR INTO PARK TO AVOID HITTING CARS IN FRONT OF ME. BRAKES FAIL WHILE DRIVING IN PLACES SUCH AS TRAFFIC JAMS, DRIVE THRU, SCHOOL PICK UP, ETC. THIS IS A HUGE SAFETY HAZARD AND FEAR THAT MY CHILDREN MAY BE HURT IF THIS ISSUE IS NOT CORRECTED BY THE MANUFACTURER. STEERING BECOMES NEARLY IMPOSSIBLE WHEN THE BRAKE ISSUES OCCUR. THIS IS AN ONGOING PROBLEM FOR THE LAST 1.5- 2 YEARS. ALSO, THE TAIL LIGHTS CONTINUE TO GO OUT EVEN AFTER PAYING HUNDREDS OF DOLLARS FOR REPLACEMENTS.

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BRAKE LIGHT FAILURE. FIRST ON DRIVER'S SIDE THEN MONTHS LATER ON PASSENGER SIDE. VEHICLE WAS IN MOTION. HUNDREDS OF COMPLAINTS ARE POSTED ON THE INTERNET YET GM WILL NOT RECALL.

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VERY HARD/ STIFF BRAKE-PEDAL. IT'S VERY HARD TO STOP THE VEHICLE AT ANY SPEED. I ALREADY REPLACED THE BRAKE PADS AND THE PROBLEM STILL CONTINUES, IS A VERY DANGEROUS HAZARDS TO THE DRIVE THE VEHICLE IN THAT CONDITION. THE HARD /STIFF PEDESTAL IS IN THE CITY AND THE HIGHWAY.

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TL* THE CONTACT OWNS A 2015 GMC YUKON XL. WHILE DRIVING 60 MPH, THE REAR DRIVER'S SIDE BRAKE LIGHT FAILED TO ILLUMINATE. THE VEHICLE WAS TAKEN TO FIVE STAR CHEVROLET BUICK GMC (LOCATED AT 495 WATSON BLVD, WARNER ROBINS, GA 31093, (478) 387-4424) WHERE IT WAS DIAGNOSED THAT THE BRAKE ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED APPROXIMATELY 5 MONTHS LATER. THE CONTACT TOOK THE VEHICLE BACK TO THE DEALER FOR REPAIRS AND AN OIL CHANGE. THE CONTACT WAS INFORMED THAT LIFTERS ON THE ENGINE AND CONDENSER LINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 96,000.

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THE LEFT BRAKE LIGHT FAILED WITH 57K MILES. THE RIGHT ONE THEN FAILED AT 61K MILES. THE DEALER WANTED $735 EACH TO FIX THEM, AS THEY CLAIM THEY NEED TO REPLACE THE ENTIRE LED HOUSING. THE DEALER IS WELL-AWARE THAT THIS IS A COMMON PROBLEM, AND IT WOULD APPEAR BASED ON GOOGLING THE ISSUE THAT MANY OTHERS HAVE EXPERIENCED THIS FAILURE FROM GM.

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WHILE ON VACATION HE BRAKES STARTED FADING, ESPECIALY AT SLOW SPEEDS. CREATING A VERY UNSAFE SITUATION AT HIGHWAY SPEEDS. MY DEALER SAYS THEY HAVE NOT HAD ANY PROBLEMS BUT IT IS ALL OVER THE INTERNET.

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TAIL/BRAKE LIGHTS FAILED CAUSING A SAFETY CONCERN. TOOK VEHICLE IN TO GMC DEALER FOR REPAIR. LEFT TAIL LIGHT (ACTUALLY THE ENTIRE PRINTED CIRCUIT BOARD) WAS REPLACED, RIGHT IS ON BACK ORDER. VEHICLE OUT OF FACTORY WARRANTY AND EVEN THOUGH WE HAD AN EXTENDED BUMPER TO BUMPER WARRANTY, THE WORK WAS NOT COVERED. THIS IS A FREQUENT ISSUE, I HAVE DISCOVERED ON LINE, ACCORDING TO MANY OWNERS OF GMC SUVS AND TRUCKS BETWEEN THE 2015 AND 2018 MODELS. COST OF REPAIR INCLUDING BOTH TAIL LIGHTS IS 1617.05. GMC SUPPORTED ME BY COVERING 600.00 OF THE COST SO I PAID 1017.05 OUT OF POCKET FOR 2 TAIL LIGHTS THAT SHOULD NOT HAVE FAILED. I HAVE ONLY 24554 MILES ON THE VEHICLE AND HAVE NEVER HAD AN ACCIDENT. ADDITIONAL TO THAT, THE 2 FRONT SEAT BELTS ARE FRAYING WHICH MAY LEAD TO WEAKNESS EVENTUALLY CAUSING A SAFETY ISSUE. I WANT GMC TO COVER ALL COSTS RELATED TO REPAIR OF THESE TWO PROBLEMS. THERE SHOULD BE A RECALL REGARDING BOTH. SEAT BELT PROBLEM HAS BEEN ON GOING FOR MONTHS AND THE TAIL LIGHT THING JUST HAPPENED ON MONDAY, JUNE 17, 2019.

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VEHICLE FAILS TO STOP PROPERLY AT LOW SPEEDS. BRAKES BECOME 'HARD' AND VEHICLE WILL ROLL TO A STOP. BRAKE LIGHTS APPEAR TO HAVE A SHORT AND WORK INTERMITTENTLY.

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VEHICLE BRAKES FEEL LIKE THEY LOCK UP OFTEN I HAVE TO PUSH AS HARD AS I CAN, THE DASH SAYS "BRAKE ASSIST" OR SOMETHING WHEN THEY FEEL LIKE THEY LOCK UP. I'VE ALMOST HIT CARS SEVERAL TIMES BECAUSE THEY LOCK UP LIKE THIS AND THERES NOTHING I CAN DO. HAPPENS OFTEN AND VARYING SPEEDS 10-70!

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PULLING INTO PARKING SPOT LOW SPEED BRAKING POWER WAS LOST.. HARD BRAKE PEDAL.

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THE MOST DISTURBING CONCERN IS THE FACT THAT I LOST MY BRAKES AS A RESULT OF A KNOWN PROBLEM THAT GM HAS EVEN RECOGNIZED RELATING TO A FAULTY VACUUM BOOSTER PUMP. I INCURRED A $500 REPAIR BILL DESPITE GM'S ACKNOWLEDGEMENT OF THE PROBLEM AND WILLINGNESS TO PAY FOR CARS WITH LESS THAN 70000 MILES. UNFORTUNATELY, MINE WAS OVER THE ALLOWABLE MILEAGE. ADDITIONALLY, I AM LOOKING AT A $1500 REPAIR BILL FOR A SEALED HEADLIGHT REPLACEMENT AND ANOTHER $300 BILL FOR A SIDE DETECTION SYSTEM ( LANE DEPARTURE WARNING). GM MADE A POOR CAR THAT IS UNSAFE AND IS NOT PROPERLY ADDRESSING THE PROBLEM.

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TAIL LIGHT LIGHTING STRIP SPONTANEOUSLY MALFUNCTIONED AND STOPPED WORKING. VEHICLE HAS NO LIGHT AND NO BRAKE LIGHTING WHICH COULD HAVE RESULTED IN AUTO ACCIDENT. WITHIN A MONTH THE HEADLIGHT HAS BURNED OUT RESULTING IN A BLINKER MALFUNCTION. VEHICLE WAS ON HIGHWAY WHEN BOTH LIGHTS MALFUNCTIONED

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DRIVING THE 2015 GMC YUKON, TRIED TO APPLY BRAKES, BRAKES WENT TO FLOOR AND NO BRAKING AVAILABLE. HAD TO JUMP A MEDIAN IN THE ROAD TO GET CAR STOPPED. CALLED DEALERSHIP, THEY WERE AWARE AND SAID DRIVE IT THERE, ALMOST WRECKED AGAIN PULLING INTO PARKING OT AT DEALERSHIP. YOU CANNOT DRIVE THE CAR LIKE THIS, VERY DANGEROUS. BEING TOLD ITS A COMMON PROBLEM THAT GMC KNOWS ABOUT BUT WILL ONLY FIX IF ITS 70,000 OR 6 YEARS. NOT OK, FIX THE PROBLEM MY CAR IS STILL UNDER WARRANTY UNTIL 100,000 MILES! VACUUM PUMP, VACUUM PUMP BELT, BRAKE BOOSTER, MASTER CYLINDER AND VACUUM PIPE ALL NEED REPLACING!!!!!! MAKE A RECALL BEFORE MORE PEOPLE ARE HURT!!!!

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BRAKES BECOME HARD TO PUSH WHEN GOING BELOW 5MPH AND DOESN'T WANT TO STOP WHEN PRESSED. SOMETIMES YOU PRESS BRAKES AND PUSH AS HARD AS YOU CAN AND IT JUST KEEPS MOVING UNTIL HE SLOWLY COMES TO A STOP. IT HAPPENS WHEN TRAVELING AT A LOW SPEED OR EVEN AT A STOP AND YOU NEED TO BARELY MOVE FORWARD OR BACKWARD. MAKES IT HARD TO PARK IN TIGHT SPACES, MOVE IN TRAFFIC, AND IN A DRIVE-THRU. IT WILL HAPPEN MOVING FORWARD OR BACKWARD - THAT DOESN'T MATTER IT ALSO HAPPENS WHEN YOU COME TO A STOP AND BARELY MOVE AGAIN AND NEED TO STOP - BRAKES BECOME HARD AND IT STOPS ON ITS OWN TIME. I EVEN HAD IT HAPPEN WHEN I WAS AT A STOP LIGHT ON DOWNWARD HILL AND THE CAR IN FRONT OF ME STARTED MOVING AND SUDDENLY STOPPED AGAIN AND MY CAR DIDN'T WANT TO STOP. IT HAPPENS ALL THE TIME SINCE AROUND NOV 2018. IT SEEMS TO BE GETTING WORSE

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HAD AN ACCIDENT IN 2018 AIR BAGS DID NOT DEPLOY AND WHEN TRIED TO STOP AND PUSHED ON MY BRAKE PEDAL, IT WAS LIKE IT FROZE AND I WAS STILL MOVING. I WAS DRIVING 37MPH ON A CITY STREET WHEN THE ACCIDENT HAPPENED.

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ON REPEATED OCCASIONS (FROM 2015 TO 2019) I HAVE EXPERIENCED SUDDEN ACCELERATION AT LOW SPEEDS AND SUDDEN JERKING MOTIONS. THE TRANSMISSION AND SPEED CONTROLS ARE UNPREDICTABLE AND DANGEROUS. THIS IS HAZARDOUS AND MAY RESULT IN A LOSS OF CONTROL. I HAVE ALSO EXPERIENCED NUMEROUS ISSUES WITH THE BRAKES INCLUDING A STUCK CALIPER AT APPROXIMATELY 42,000 MILES. I REPORTED THESE ISSUES AND NUMEROUS OTHER ISSUES TO GMC CORPORATE, TUSTIN BUICK GMC ONLY TO BE TOLD THAT IT WAS A SOFTWARE ISSUE AND THINGS ARE SATISFACTORY AND SAFE. GMC CONTENDS THAT THE VEHICLE IS FINE AND DECLINES TO ASSIST WITH ISSUES. THIS IS AN ONGOING ISSUE. THE DATE BELOW IS APPROXIMATE. THE MILEAGE IS APPROXIMATE ON ALL ENTRIES.

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