Home · 2015 GMC Yukon Denali Xl · Complaints

What 606 owners told NHTSA about the 2015 GMC Yukon Denali Xl

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.

All (606)Crash / fire / injury (15)Lights (313)Electrical system (94)Brakes (92)Transmission & drivetrain (58)Steering (37)Engine (33)Suspension (17)Body & structure (16)Fuel system (14)Visibility & wipers (8)

Newest first · 606 complaints · page 7 of 25

Mar 4, 2020Lights

FIRST, PASSENGER SIDE TAIL LIGHT WAS GOING ON AND OFF. SOMETIMES THE WHOLE PANEL WOULD NOT TURN ON. THEN, A FEW WEEKS LATER THE OTHER TAIL LIGHT STARTED DOING THE SAME THING AND NOW BOTH BRAKE LIGHTS DO NOT COME ON. THEY WILL SPORADICALLY START WORKING AGAIN EVER SO OFTEN.

NHTSA ODI 11316077

Mar 4, 2020Transmission & drivetrainElectrical systemBrakes

TL* THE CONTACT OWNS A 2015 GMC YUKON. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V761000 (SERVICE BRAKES, HYDRAULIC, SERVICE BRAKES, ELECTRONIC STABILITY CONTROL). THE VEHICLE WAS TAKEN TO THE KELLER MOTORS LOCATED AT (700 CADILLAC LN, HANFORD, CA 93230) WHERE THE COMPUTER WAS REPROGRAMMED. THE CONTACT STATED THAT AFTER THE REPROGRAMMING, THE BRAKE LIGHTS STARTED TO WORK INTERMITTENTLY. THE VEHICLE ALSO STALLED WITH SEVERAL WARNING LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL. THE CONTACT STATED THAT THE SEATBELT UNBUCKLED AND OPEN OR CLOSE DRIVER'S WINDOW WARNING LIGHTS WERE ILLUMINATED. THE CONTACT WAS INFORMED BY THE DEALER THAT THE REPROGRAMMING WAS NOT THE CAUSE OF THE FAILURES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURES. THE FAILURE MILEAGE WAS APPROXIMATELY 61,000.

NHTSA ODI 11316102

Mar 2, 2020Electrical systemLights

BRAKE LIGHTS INTERMITTENTLY DO NOT ILLUMINATE

NHTSA ODI 11315579

Feb 29, 2020Brakes

UPON PRESSING THE BRAKES WHILE PARKING, PEDAL STARTED VIBRATING AND BRAKE PEDAL BECAME IMPOSSIBLE TO PRESS. PEDAL CONTINUES TO REMAIN HARD TO PRESS FOR BRAKING.

NHTSA ODI 11312272

Feb 26, 2020Lights

2015 GMC YUKON. CONSUMER WRITES IN REGARDS TO YUKON TAIL LIGHTS SAFETY RECALL. *LD *JS

NHTSA ODI 11310253

Feb 26, 2020Lights

THE RIGHT REAR BRAKE LIGHT LED STRIP NO LONGER WORKS. I HAVE NOTICED THAT THIS IS AN ON-GOING ISSUE WITH OTHER CONSUMERS. THE DEALER WANTS $650-$750 TO REPLACE. MOST OF THE TIME, IT IS A WIRING ISSUE THAT NEEDS TO BE REPAIRED. UNFORTUNATELY, THE PLASTICS ARE GLUED TOGETHER PREVENTING ACCESS TO MAKE THE REPAIR.

NHTSA ODI 11311589

Feb 24, 2020Seat belts

I HAVE JUST REALIZED THAT ONE OF THE BACK SEAT PASSENGER SEAT BELT (THE ONE AT THE BACK OF THE DRIVER SEAT) HAS A DELAY TO GET ACTIVATED WHEN THE VEHICLE IS STOPPED DUE TO AN EMERGENCY, AND IN SOME CAS S IT DOES NOT GET ACTIVATED AT ALL.

NHTSA ODI 11311152

Feb 21, 2020Lights

THE REAR PASSENGER BRAKE LIGHTS JUST RANDOMLY STOPPED WORKING. NOT A BULB ISSUE AS IT IS AN LED PANEL OF LIGHTS. THE BACK UP BULB STILL WORKS, BUT THE BRAKE LIGHTS DON'T. DEALER SAYS IT HAPPENS A LOT TO THESE CARS, AND HAVE TO BUY A WHOLE NEW UNIT. THIS IS A SAFETY ISSUE - BREAK LIGHTS FAILING DUE TO POOR WIRING. AGAIN NOT A REPLACEABLE BULB ISSUE, IT IS DUE TO A WIRING ISSUE WITHIN THE LIGHTING UNIT ITSELF

NHTSA ODI 11310629

Feb 18, 2020Steering

INTERMITTENT POWER STEERING FAILURE TURNING AT LOW SPEEDS. ALMOST HIT A CAR WHILE TURNING IN A ROAD DUE TO LACK OF POWER STEERING WORKING PROPERLY.

NHTSA ODI 11309765

Feb 15, 2020Lights

REAR TAIL LAMPS ONLY WORK EVERY NOW AND THEN. HAPPENS WHILE MOVING AND STATIONARY. THE REAR TAIL LAMPS ARE CHEAPLY MADE INTERNALLY THAT THE CIRCUIT BOARD FOR THE LED LIGHTS EASILY BREAKS WITH REGULAR DRIVING. ITS AND OBVIOUSLY KNOW ISSUE FOR GMC BECAUSE THERE ARE BUSINESSES ONLINE THAT THERE SOLE INCOME IS TO REPAIR THESE TAIL LIGHTS ON 2015 TO CURRENT YUKON/ YUKON XL MODELS. TAKEN MY 2015 YUKON IN BEFORE WARRANTY WAS OUT AND GMC DEALER DOESN'T WANT TO WARRANTY AND DOESN'T WANT TO REPAIR. TELLS OWNERS THEY'LL HAVE TO BUY A NEW TAIL LAMP AT $800 A PIECE. TOTAL RIP OFF .

NHTSA ODI 11309409

Feb 14, 2020Fuel system

UNDER NORMAL DRIVING CONDITIONS, MY CP4 FUEL INJECTION SYSTEM BLEW UP. I HAD TO HAVE IT TOWED TO THE NEAREST DIESEL REPAIR SHOP, $14.000 LATER , I WAS BACK UP AND RUNNING

NHTSA ODI 11309254

Feb 13, 2020Electrical system

BRAKE LIGHTS WILL INTERMITTENTLY STOP WORKING. NO CONSISTENCY TO WHEN THEY STOP WORKING OR WHEN THEY START AGAIN. MAJOR SAFTEY HAZARD. GMC KNOWS ABOUT THE PROBLEM BUT ARE CALLING IT AN EXTENDED WARRANTY ISSUE, AND NOT FIXING VEHICLES OUTSIDE THEIR DESIGNATED TIME/MILEAGE BECAUSE THEY SAY IT IS NOT A SAFETY HAZARD...' IT IS!!!

NHTSA ODI 11308996

Feb 12, 2020Electrical systemLightsBrakes

TAIL LAMPS WOULD INTERMITTENTLY OPERATE. AT TIMES NONE WOULD WORK AT OTHERS SOME WOULD WORK. AND OTHERS ALL WOULD WORK. GMC FINALLY ADDRESSES THIS WITH: N182180270 (SPECIAL COVERAGE). GMC WAS AWARE OF THIS ISSUE ON OR PRIOR TO NOVEMBER 26, 2019. THEY STATED NOTIFICATIONS TO CUSTOMERS WOULD BEGIN ON DECEMBER 12, 2019. I WAS NOTIFIED TODAY 2-12-2020 WELL AFTER GMC WAS AWARE OF ISSUES. GMC ALLOWS FOR WARRANTY OF 6 YEARS AFTER PLACED IN SERVICE OR 72,000 MILES. SINCE MY VEHICLE HAD 902 MILES AT TIME OF PURCHASE MY WARRANTY EXPIRED AT 72,902 MILES. HAD GMC MADE ME AWARE IN DECEMBER OR TOO AFTER KNOWING IN LATE NOV 2019 I WOULD STILL HAVE BEEN UNDER WARRANTY FOR A RESOLUTION TO FIX ISSUES. THERE WILLFUL NEGLIGENCE IN FAILING TO NOTIFY ME HINDERED THEIR AVAILABLE WARRANTY UNDER SPECIAL COVERAGE OF NO USE TO ME TO MY DETRIMENT OF SEVERAL HUNDRED DOLLARS (~$1800 USD).

NHTSA ODI 11308836

Feb 8, 2020Electrical system

REAR TAILLIGHT DOES NOT WORK. SEARCHED ONLINE AND FOUND THAT THIS IS A VERY COMMON ISSUE, GM REFUSES TO FIX AND TRIES TO CHARGE $800 TO REPLACE WHOLE TAIL LIGHT ASSEMBLY, AND THEY REPLACE WITH SAME FAULTY LIGHTS! FIX IT GMC, RIDICULOUS

NHTSA ODI 11307886

Jan 31, 2020

THE LED BRAKE LIGHTS ON MY PASSENGER SIDE ARE MALFUNCTIONING AND IT SEEMS TO BE A COMMON THEME FOR YUKON OWNERS. I HAVE CALLED 5 DIFFERENT DEALERSHIPS AND THEY ARE ALL OUT OF THIS PART BECAUSE IT KEEPS FAILING

NHTSA ODI 11306281

Jan 31, 2020Transmission & drivetrainBrakes

2015 GMC YUKON. CONSUMER WRITES SEEKING REIMBURSEMENT FOR VEHICLE REPAIRS RELATED TO SAFETY RECALL. *LD *JS

NHTSA ODI 11302013

Jan 29, 2020Lights

REAR TAILLIGHT DOES NOT WORK. SEARCHED ONLINE AND FOUND THAT THIS IS A VERY COMMON ISSUE, GM REFUSES TO FIX AND TRIES TO CHARGE $800 TO REPLACE WHOLE TAIL LIGHT ASSEMBLY

NHTSA ODI 11302784

Jan 26, 2020Lights

FOR THE PAST 3 YEARS I HAVE TAKEN MY TRUCK INTO THE DEALERSHIP WITH COMPLAINTS ABOUT INTERMITTENT BRAKE LIGHT FUNCTION. SPECIFICALLY THE LR LIGHT WAS NOT WORKING. ONCE I WAS TOLD I HAD TO REPLACE THE ENTIRE ASSEMBLY $800 - I CAME IN TO HAVE THE REPAIR DONE, THEN I WAS TOLD THERE WAS NO ISSUE. I RETURNED AGAIN WHEN THE POLICE GAVE ME A WARNING ABOUT THE SAME LIGHT. WAS TOLD NO ISSUE. SEVERAL TIMES I HAVE BEEN ALERTED BY OTHER DRIVERS THAT THE LIGHT WAS OUT - SOMETIMES IT WORKS IF I SMACKED THE EXTERIOR OF THE ASSEMBLY BUT NOT CONSISTENTLY. NOW - ALL OF THE BRAKE LIGHTS ARE OUT LR/RR AND THE BAR. I CANNOT DRIVE IT SAFELY AND I CANNOT BELIEVE THAT THE ONLY OPTION IS TO PAY SEVERAL THOUSAND DOLLARS TO REPLACE IT. MANY HAVE THE SAME COMPLAINTS. THIS SHOULD BE A RECALL! WE ALREADY PAID SEVERAL THOUSAND DOLLARS TO BUY THIS TRUCK - IT SHOULD NOT HAVE THESE ISSUES SO EARLY ON. I HAVE SEEN MANY OTHER YUKON'S ON THE ROAD WITH THE SAME ISSUE. MY CAR IS 2015 - THE PROBLEM STARTED ALMOST IMMEDIATELY FOR US AFTER PURCHASING. THIS IS NOT ACCEPTABLE.

NHTSA ODI 11301954

Jan 26, 2020Electrical system

TAIL LIGHTS SOMETIMES WORK AND MOST OF THE TIME DOES NOT WORK. I SEE HUNDREDS OF COMPLAINTS ABOUT THIS AND NOTHING IS BEING DONE ABOUT IT! THIS WILL BE MY FIRST AND LAST TIME BUYING A GMC CAR. THIS IS VERY DANGEROUS AND A VERY EXPENSIVE PROBLEM TO HAVE!

NHTSA ODI 11302141

Jan 21, 2020Electrical system

BOTH LEFT AND RIGHT TAIL LIGHTS DEFECTIVE DUE TO INTERNAL CRACKS IN THE CIRCUIT BOARD

NHTSA ODI 11300981

Jan 9, 2020Electrical systemLights

THE TAILLIGHTS WILL SHORT OUT AND STOP WORKING. THE TRUE SIGNAL WORKS BUT THE BRAKE AND RUNNING LIGHTS STOP WORKING. THE TOUCHSCREEN DISPLAY ISN'T WORKING ON SOME PARTS OF THE SCREEN. FOR EXAMPLE, I CANNOT CHANGE THE TIME BECAUSE THE TOGGLES TO CHANGE THE NUMBERS UP OR DOWN WILL NOT WORK.

NHTSA ODI 11298154

Jan 4, 2020Lights

BOTH OF MY TAILLIGHTS WENT COMPLETELY OUT ON MY 2015 YUKON DENALI. I WAS TOLD BY A STRANGER WHO ASKED ME TO PULL OVER THAT BOTH LIGHTS WERE COMPLETELY OUT (SPECIFICALLY INSIDE OUR RESIDENTIAL COMMUNITY). I HAVE A FOUR YEAR OLD AND A BABY WITH MY HANDS FULL. I WAS SO GRATEFUL TO THE STRANGER THAT INFORMED ME- PREVENTING A POTENTIAL ACCIDENT WITH MY BABIES IN THE CAR. I CALLED TO SEE HOW MUCH THE REPLACEMENT LIGHTS WOULD BE. WITH LABOR WE WERE LOOKING AT $2,000 AT THE DEALERSHIP! TO ME THIS WAS OUTRAGEOUS... ESPECIALLY AFTER DOING RESEARCH AND SEEING THAT MANY 2015 YUKON DENALI OWNERS HAVE THE SAME ISSUE AND THIS IS NOT YET A RECALL FOR GMC! WHEN WILL THE ISSUE BE RECALLED?... HEAVEN FORBID NOT AFTER A HORRIFIC ACCIDENT FROM A BLATANT SAFETY ISSUE THAT THEY ARE NOT TAKING SERIOUSLY! WE PROCEEDED TO CALL GMC COMPLAINT DEPARTMENT TO FILE A COMPLAINT- THE WOMAN LIED AND TOLD ME SHE HAD NEVER HEARD OF THIS BEING AN ISSUE BUT EVEN IF SHE HAD SHE COULDN'T TELL ME.... NEEDLESS TO SAY MY COMPLAINT WENT UPON DEAF EARS AT GMC. I HAD NO OTHER CHOICE BUT TO ORDER TWO NEW TAILLIGHTS THROUGH GMC.... NOW THAT I AM AWAITING MY ORDER I'M THINKING THAT I COULD EXPERIENCE THE SAME ISSUE WITH MY NEW LIGHTS. ADDING TO MY FRUSTRATION, THE PARTS DEPARTMENT SOLIDIFIED THAT THE TAILLIGHT ISSUE IS INCESSANT WITH THIS MAKE, MODEL AND YEAR... AND THEY NEED TO KEEP MY TAILLIGHTS WHEN THEY ISSUE MY NEW LIGHTS. I COULDN'T HELP BUT FIND THIS STRANGE AND BECAME SKEPTICAL THAT THEY NEED TO KEEP MY FAULTY TAILLIGHTS. I'M FRUSTRATED AND NERVOUS DRIVING MY VEHICLE WITH MY CHILDREN. I'M WORRIED FOR OUR SAFETY AND I PRAY MY COMPLAINT IS TAKEN SERIOUSLY. GMC NEEDS TO BE HELD ACCOUNTABLE FOR THEIR FAULTY PRODUCTS. MY LEFT LIGHT IS HALF WAY OUT NOW BC MY DAD TRIED TO WELD A BRIDGE TO TURN THE LIGHTS BACK ON IN THE MEAN TIME... DIDN'T END UP WORKING.

NHTSA ODI 11297033

Jan 4, 2020Lights

AT 32,000 MILES WE HAD OUR BACK TAIL LIGHT GO OUT. GMC REPLACED IT AT COST TO THEM WHICH WAS AROUND $280 . LESS THAN 6 MONTHS LATER THE OTHER TAIL LIGHT WENT OUT AND DEALER TOLD US 'LIGHTS GO OUT'. WE PAID FULL PRICE $680 TO HAVE IT REPLACED. NOW OUR LEFT TAIL LIGHT IS OUT AGAIN AND IT'LL BE ANOTHER $680 OR MORE TO BE REPLACED. THIS IS RIDICULOUS. THEY ARE LED TAIL LIGHTS. THESE SHE LAST A VERY LONG TIME. THOUSANDS OF OTHERS ARE HAVING THIS PROBLEM. CAR GURUS HAS A BLOG SOLELY ABOUT THIS. THE ODD THING IS THEY ARE MOSTLY 2015 YUKON'S. A RECALL NEEDS TO BE DONE ON THIS PROBLEM AND THE THOUSANDS OF PEOPLE DEALING WITH THIS SHOULD BE REIMBURSED FOR REPLACING THESE TAIL LIGHTS OVER AND OVER! IF YOU PAY 60,000 FOR A CAR YOU SHOULD NOT GO THROUGH THIS.

NHTSA ODI 11297050

Jan 2, 2020Electrical system

THE REAR POWER LOCKS ARE INOPERATIVE AT TIMES- WHEN USING THE KEYLESS ENTRY AND THE MASTER SWITCH. OWNER IS HAVING TO REACH TO THE BACK SEAT TO OPEN THE BACK DOORS WITH THE BACK DOOR LOCKS TO ALLOW PASSENGERS (CHILDREN) OUT OF THE VEHICLE. IN AN EMERGENCY SITUATION, THE BACK SEAT PASSENGERS ARE NOT GOING TO BE ABLE TO GET OUT ON THEIR OWN, OR BE ABLE TO GET OUT QUICKLY WITH ASSISTANCE. THIS ALSO MAKES THE CHILD LOCK FUNCTION UNUSABLE AS THE BACK DOORS WOULD NEVER OPEN.

NHTSA ODI 11292540

Dec 30, 2019Electrical systemLightsBody & structure

BOTH BRAKE LIGHTS WENT OUT. DEALER SAID HAD TO REPLACE ENTIRE FIXTURE. NOT COVERED UNDER BUMPER TO BUMPER EXTENDED WARRANTY PURCHASED. SAFETY HAZARD THAT MANY OTHER 2015 YUKON OWNERS HAVE EXPERIENCED. TRIM/SEAL APPLIQUS AROUND DOOR WINDOWS ALSO COMING OFF AND ALSO NOT CO WEED UNDER B2B WARRANTY. SHOTTILY MADE VEHICLE.

NHTSA ODI 11292059

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Working with the data? Download all 606 complaints as CSV · fetched from NHTSA July 23, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 GMC Yukon Denali Xl verdict →