THE TAIL LIGHTS FLICKER AND SOMETIMES DON'T WORK AT ALL.
NHTSA ODI 11415052
Home · 2015 GMC Yukon Denali Xl 1500 · Complaints
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
Newest first · 977 complaints · page 8 of 40
THE TAIL LIGHTS FLICKER AND SOMETIMES DON'T WORK AT ALL.
NHTSA ODI 11415052
STOP AND TAIL FUNCTIONS INSIDE THE TAIL LAMPS HAVE BECOME INOPERATIVE. PURCHASED VEHICLE USED AND FALLS JUST OUTSIDE OF THE SPECIAL COVERAGE ADJUSTMENT; N182180270. THIS IS STILL VERY MUCH A SAFETY ISSUE, EVEN THOUGH IT'S 1 MONTH LONGER THAN THE 6 YEAR CUTOFF.
NHTSA ODI 11413964
PURCHASED A 2015 YUKON DENALI BACK IN NOVEMBER 2019. SINCE PURCHASING THE VEHICLE WE HAVE HAD TO REPLACE THE BATTERY, TRANSMISSION, AC COMPRESSOR AND EXPANSION VALVE (WHICH STILL ISN'T WORKING CORRECTLY, BECAUSE IT DOESN'T BLOW COLD AIR), AND THE BLACK PANELS THAT ARE IN BETWEEN THE WINDOWS. ALSO, BOTH TAIL LIGHTS HAVE DECIDED TO QUIT WORKING.... WHICH CONCERNS ME GREATLY BECAUSE CARS BEHIND ME DON'T KNOW WHEN I AM STOPPED OR APPLYING THE BREAKS. STOPPED OR HAVE MY FOOT ON THE BREAK.
NHTSA ODI 11413868
PASSENGER SIDE TAIL LIGHT/BRAKE LIGHT GOES OUT INTERMITTENTLY AT RANDOM. I PURCHASED CAR USED IN FEBRUARY 2020 AND WAS INFORMED SOON AFTER BY FRIEND THAT MY TAIL LIGHT WAS OUT WHEN LEAVING THEIR HOME. IT WAS WORKING THE NEXT DAY WHEN I CHECKED. I NOW WATCH IT AND SEE THAT IT WORKS ONLY SOMETIMES. COST TO REPLACE IS APPROXIMATELY $700 ASSUMING ONLY A REPLACEMENT LIGHT IS NEEDED AND NOTHING ELSE IS WRONG. BASED ON THE MULTIPLE COMPLAINTS I HAVE SEEN THIS SOUNDS LIKE A WIRING ISSUE THAT SHOULD BE A MANUFACTURER RECALL FOR SAFETY REASONS.
NHTSA ODI 11408185
REAR BREAK LIGHT . INTERNAL WIRING OF THE TAIL LIGHTS CRACKS LEADING TO TAIL LIGHT FAILURE. THE FAILURE DOES NOT TRIGGER ANY WARNINGS AND THE DRIVER IS UNAWARE OF THIS FAILURE UNLESS THEY PREFORM A PRE TRIP INSPECTION.
NHTSA ODI 11406995
ISSUE WHEN BRAKING. LOTS OF FORCE NEEDED AT TIMES TO STOP.SEEMS TO OCCUR MORE AT SLOWER SPEEDS.
NHTSA ODI 11405379
ONSTART NOT WORKING PROPERLY. CANNOT ACCESS GPS AND/OR CERTAIN FUNCTIONS IN THE GMC APPLICATION DUE TO NO ANTENNA SIGNAL BEING OBTAINED THROUGH INTELLILINK SYSTEM. ONSTAR MIRROR HAS A RED LIGHT AND GPS HAS A CROSS HATCH THROUGH IT. WE HAVE ACTIVATED ONSTAR PROFILE AND SUBSCRIPTION. I KNOW THEIR HAS BEEN A RECALL ON THIS ANTENNA IN THE PAST BUT WE JUST PURCHASED THE VEHICLE.
NHTSA ODI 11403221
REAR PASSENGER BRAKE LIGHT FAILURE.. KNOWN ISSUE THAT HAS BEEN NEGLECTED BY GMC.
NHTSA ODI 11400142
TL* THE CONTACT OWNS A 2015 GMC YUKON. THE CONTACT STATED THAT WHILE OPERATING THE VEHICLE, IT WAS DISCOVERED THAT THE REAR BRAKE LIGHTS WERE INOPERABLE. THE CONTACT DETERMINED THAT THE FAILURE WAS INTERMITTENT BY TAPPING ON THE LIGHT HOUSING. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE LOCAL DEALER BEN MYNATT BUICK LOCATED AT 289 CONCORD PKWY S, CONCORD, NC 28027 WAS NOTIFIED OF THE FAILURE. THE MANUFACTURER WAS CONTACTED BUT NO ASSISTANCE WAS OFFERED. THE FAILURE MILEAGE WAS 79,800.
NHTSA ODI 11399909
FIRST NOTE THAT OUR RECALL FOR INCREASED PEDAL EFFORT WAS DONE ON OUR 2015 GMC YUKON 2 MONTHS BEFORE THIS INCIDENT. OUR VEHICLE WAS TRAVELING AT A HIGH RATE OF SPEED COMING HOME FROM MAMMOTH ON THE 15 FREEWAY. WE HEARD WHAT WE DESCRIBE AS A 'BUZZING' NOISE BUT WE COULDN'T TELL IF IT WAS OUR CAR OR ANOTHER ON THE FREEWAY IT ALMOST SOUNDED LIKE TIRE TREAD BEFORE YOU HAVE A BLOW OUT. WE SLOWED DOWN A BIT (65-70MPH) TO CHECK OUR SURROUNDINGS. A FEW MINUTES LATER WE STARTED TO LOSE CONTROL OF OUR YUKON. I STARTED TO UNBUCKLE AND CLIMB TO MY HUSBANDS DRIVERS SEAT BECAUSE HE WASN'T RESPONDING TO OUR SCREAMS AND HE LOOKED ILL. AS I WAS SCREAMING HIS NAME HE FINALLY SAYS INTO MY EAR WE HAVE TO CRASH! I PANICKED AND SCREAMED WHAT IS HAPPENING. HE REPLIES 'WE HAVE NO BRAKES'! THE PEDAL WAS AS HARD AS A ROCK LIKE A BRICK WAS UNDERNEATH IT AND OUR CAR WAS SERVING BACK AND FORTH. AS TRAFFIC SLOWED AND WE PREPARED TO CRASH INTO THE CAR IN FRONT THE CENTER DIVIDER OPENED UP AND WE WERE ABLE TO CRUISE DOWN IT UNTIL WE SLAMMED E BRAKE ON. THESE MODELS SHOULD NOT BE ON THE ROAD AND WE COULD HAVE VERY EASILY DIED OR KILLED ANOTHER FAMILY IN THE PROCESS! ABSOLUTELY UNACCEPTABLE ON GMS PART! TERRIFYING! THERE HAS BEEN NO VACUUM PUMP RECALL PLACED ON OUR YUKON AND IT WAS THE VACUUM PUMP THAT FAILED WHICH MADE THE BRAKES FAIL THERE WAS NO BACK UP ZERO BRAKES WITH A FAMILY OF 5 IN THE CAR ON THE FREEWAY! EVERY OWNER WHO OWNS A 2015/2016 SHOULD BE AWARE THAT THIS CAN HAPPEN TO THEM. IT'S NOT JUST AT SLOW SPEED. WE HAVEN'T STEPPED FOOT IN OUR CAR SINCE OUR KIDS ARE SCARED TO DEATH TO RIDE IN ANY CAR THAT LOOKS LIKE IT.
NHTSA ODI 11398805
BOTH REAR TAIL LIGHT ASSEMBLIES WENT BAD. THE LEFT ONE IN APRIL OF 2019 AND THE RIGHT ONE IN JANUARY OF 2021. SERVICE ADVISORS IN THE 2 DEALERSHIPS I DEAL WITH CLAIM THE DO NOT KNOW ANYTHING ABOUT IT. YET A NUMBER OF REPAIR SHOPS ON THE INTERNET KNOW OF THIS PROBLEM IN 2015 TO 2019 YUKON'S BECAUSE THEY REPAIR THEM. FUNNY THAT GM DOES NOT. I SENT THE 1ST ONE OUT AND IT WAS REPAIRED FOR WELL UNDER THE COST OF A NEW ONE. I COMPLAINED AGAIN TO THE SERVICE ADVISOR ABOUT THIS ONE TO NO AVAIL. GOING TO SEND IT OUT FOR REPAIR AS WELL. INCIDENTALLY THEY COVER THE REPAIR WITH A LIFETIME WARRANTY.
NHTSA ODI 11398073
TL* THE CONTACT OWNS A 2015 GMC DENALI. THE CONTACT STATED WHILE DRIVING 35 MPH, THE VEHICLE DOWNSHIFTED AND WAS UNABLE TO UPSHIFT INTO THE HIGHER GEARS. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE CONTACT CALLED THE LOCAL DEALER STERLING BUICK GMC (5853 FRONTAGE RD. I 49 SOUTH, OPELOUSAS, LA 70570, (337) 942-3516) AND MADE THE DEALER AWARE OF THE FAILURE. THE VEHICLE HAD NOT BEEN DIAGNOSED NOR REPAIRED AS OF YET. THE MANUFACTURER HAD NOT BEEN INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 148,000.
NHTSA ODI 11396909
WHEN DRIVING BETWEEN 40-70 MILES AN HOUR. I FEEL A VIBRATION SOMEWHERE IN THE VEHICLE. THE VIBRATION FEELS LIKE U ARE ROLLING OVER RUMBLE STRIPS. THIS HAPPENS TIME AND TIME AGAIN ON THE HIGHWAY, WHILE IN MOTION ONLY.
NHTSA ODI 11395903
THE AIR IN OUR 2015 YUKON HAS WENT OUT AND IS CONSTANTLY BLOWING WARM AIR. ITWILL NOT HOLD FREON. THE TEMPS IN LAS VEGAS GET INTO THE TRIPLE DIGITS. MY 78 YEAR MOTHER CONSTANTLY USES THE VEHICLE TO GET PLACES. I HAVE RESEARCHED THE PROBLEM AND SEEMS TO BE A CONSTANT PROBLEM WITH THE DESIGN OF THE AC CONDENSER AND HOSE DESIGN. WE HAVE BEEN SMELLING FREON FOR SOME TIME SO IT MUST HAVE BEEN SLOWLY LEAKING OUT. THIS SHOULD BE A RECALL PROBLEM SINCE SO MANY PEOPLE HAVE HAD THE SAME PROBLEM AND IS DEFINITELY A SAFETY PROBLEM HERE IN DESERT. THE PROBLEM IS CONSTANT, IN MOTION OR SITTING STILL.
NHTSA ODI 11395506
REAR LED TAIL LIGHTS FAILING. 1 HAS BEEN REPLACED ALREADY, SECOND, OPPOSITE SIDE IS NOW FAILING.
NHTSA ODI 11395460
THE POWER STEERING LOCKS UP AND THE DISPLAY ON DASH READS POWER STEERING LOSETHIS HAS HAPPENED 6 TIMES AND EACH TIME I'VE HAD TO GO RESCUE MY WIFE THIS IS HER CAR. I FOUND OUT THAT I COULD REMOVE THE BATTERY CABLE FROM BATTERY TO RESET THE PROBLEM BUT IT ONLY LAST FOR A SHORT WHILE
NHTSA ODI 11394864
MY 2015 YUKON XL SLT TRANSMISSION DEVELOPED A STUTTER WHILE GOING ALONG ACCELERATING BUT WOULD GO AWAY AS YOU DRIVE. UNFORTUNATELY THIS CAME TO AN ABRUPT END THIS PAST JANUARY WHEN I JUMPED IN IT AND WENT ABOUT 50 FEET AND THE VEHICLE SOUNDED LIKE IT WAS IN NEUTRAL AND I COULDN'T GO ANYWHERE WITHOUT CUTTING IT OFF AND STARTING OVER WHICH ONLY CAUSED THE PROCESS TO REPEAT.. I HAD MY MECHANIC TOW IT TO THEIR SHOP AND DIAGNOSE THE PROBLEM. THE TOLD ME THE TRANSMISSION WAS MALFUNCTIONING. I HAD A SECOND OPINION FROM THE DEALERSHIP I BOUGHT IT FROM AND THE CONCLUSION WAS THE SAME. THE VEHICLE HAD 162K ON IT AND I WAS EXPECTING IT TO MATCH WHAT MY PREVIOUS YUKON REACHED AND WAS STILL GOING. OVER $4K LATER WITH NEW TRANSMISSION, I'M KEEPING MY FINGERS CROSSED. THIS SHOULDN'T HAVE HAPPENED THIS SOON.
NHTSA ODI 11394399
BOTH REAR TAIL LIGHTS ARE INOPERABLE AND THE DEALER WANTS OVER $800 TO REPLACE. I'M OVER THE MILEAGE LIMIT FOR THE RECALL SO I'M OUT OF LUCK.
NHTSA ODI 11389850
PASSENGER REAR BRAKE LIGHT IS OUT. ALL LED LIGHTS WILL NOT LIGHT UP WITH RUNNING LIGHTS ON OR THE BRAKE DEPRESSED
NHTSA ODI 11389210
REAR LIFTGATE WILL NOT OPEN. REPLACED LIFTGATE CONTROL MODULE AND STILL WILL NOT WORK. MECHANIC SAYS IT IS NOW BODY CONTROL MODULE. LIGHTS STAY ON INSIDE VEHICLE AT ALL TIMES AND HORN IS DISABLED
NHTSA ODI 11386648
THE BACK PASSENGER BRAKE LIGHT HAS BEEN FUNCTIONING INTERMITTENTLY FOR THE PAST 15 MONTHS. WE HAVE BEEN STOPPED BY OTHER VEHICLES LETTING US KNOW 'YOUR TAILIGHT IS OUT' BUT WHEN WE GET HOME TO LOOK AT IT, THE LIGHT IS FUNCTIONING JUST FINE. AFTER MULTIPLE OCCURRENCES BEING TOLD THE SAME THING, WE TOOK THE YUKON INTO THE DEALER TO HAVE IT CHECKED. THE DEALER LET US KNOW THAT THIS IS A KNOWN ISSUE WITH THIS DESIGN, AND THAT THERE IS A RECALL/WARRANTY FOR THIS ISSUE. HOWEVER - OUR YUKON HAD 76,000 MILES AT THE TIME WE TOOK IT IN, AND THE RECALL ONLY COVERED VEHICLES LESS THAN 72,000 MILES OR 6YEARS FROM DATE OF SERVICE. NOW - I HAVE READ MANY FORUMS AND SEEN ALL ACROSS THE COUNTRY THAT THIS ISSUE IS OCCURRING DUE TO A POOR DESIGN FROM GM. LIMITING THE RECALL TO A CERTAIN MILEAGE IS [XXX] WHEN YOU KNOW THERE IS A DESIGN FLAW IN THE FIRST PLACE. NOT ONLY IS THIS A SAFETY CONCERN WITH THE TAILLIGHT NOT WORKING, BUT GM IS NOW REFUSING TO REPLACE IT? I EXPECT THIS ITEM TO BE COVERED IN FULL, AS I DON'T SPEND $70K ON A VEHICLE ONLY TO HAVE TO REPLACE DEFECTS ON MY OWN DIME. $1000 FOR A REPLACEMENT TAILLIGHT, ARE YOU KIDDING ME? I WOULD LIKE OUR TAILLIGHT REPLACED AT NO COST DUE TO POOR DESIGN AND A MANUFACTURER'S DEFECT - BOTH OF WHICH ARE NO FAULT OF THE USE AND OWNERSHIP OF MY YUKON. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
NHTSA ODI 11386464
VEHICLE SEEMS TO BE STUCK IN 4WD, UNABLE TO SWITCH OUT OF IT. CANNOT TURN VEHICLE.
NHTSA ODI 11378485
THE BRAKES FAILED IN MY CAR CAUSING A REAR COLLISION WITH AN OBJECT IN MY DRIVEWAY. AFTER INSPECTION FROM A CERTIFIED GMC DEALERSHIP, THE BRAKE FAILURE WAS NOT CAUSED BY SERVICE NEGLECT OR AGE OF BRAKES, IT WAS DUE TO THE VACCUM PUMP FAILURE TO PROVIDE PRESSURE. THIS IS THE SECOND TIME IN TWO YEARS THIS PART HAS CAUSED MY BRAKES TO FAIL. THE DEALERSHIP REPLACED THE PART AT NO COST THOUGH THERE IS NOT FORMAL RECALL ON THIS PART. BOTH TIMES THIS PART FAILED THE CAR WAS IN MOTION. THE FIRST TIME IT WAS TOWED OUT OF A CITY TO BE REPAIRED AS IT WAS DANGERSOUS TO DRIVE AND THE SECOND TIME THE FAILURE CAUSED THE VEHICLE TO COLLIDE WITH A LARGE DUMPSTER IN MY DRIVEWAY CAUSING EXTENSIVE DAMAGE TO THE REAR PASSENGER SIDE OF THE CAR. THANKFULLY THERE WAS NOT PHYSICAL DAMAGE TO ANY PERSONS IN EITHER OF THESE TWO INCIDENTS WHICH BOTH WERE NO FAULT OF THE DRIVER OR OWNER OF THE CAR.
NHTSA ODI 11378243
WHILE DRIVING ON HIGHWAY INSTITUTE STEERING POWER AND COULD BARELY CONTROL THE STEERING WHEEL WHILE POWER ASSIST WARNING, STABILIZE,AIRBAG LIGHT AND PASSENGER WINDOWS WOULDN'T GO UP.
NHTSA ODI 11377975
SO MY BRAKE LIGHT ON REAR ALL HAVE GONE OUT DUE TO BAD LED LIGHTS OR SOME KNOWN COMPONENT GOES BAD. #2. FUEL PUMP IS BAD. #3 RADIATOR HAS A CRACK IN IT. THIS IS A 2015 YUKON
NHTSA ODI 11374598
Working with the data? Download all 977 complaints as CSV · fetched from NHTSA July 25, 2026