Home · 2015 GMC Yukon Denali Xl 1500 · Complaints

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

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 (977)Crash / fire / injury (24)Lights (489)Electrical system (168)Brakes (158)Transmission & drivetrain (102)Engine (63)Steering (51)Body & structure (28)Suspension (27)Fuel system (23)Visibility & wipers (11)

Newest first · 977 complaints · page 22 of 40

May 14, 2019

MY LIFT GATE FAILED TO CLOSE WHILE AT GROCERY STORE. IT WAS STUCK IN RAISED /OPEN POSITION. COULD NOT CLOSE MANUALLY. I HAD TO DRIVE HOME AND TO GMC SERVICE CENTER W/ LIFT GATE RAISED. THERE IS A GMC RECALL BULLETIN ON FILE14300A BUT MY VEHICLE VIN # IS NOT TAGGED, INOPERABLE LIFT GATE. I WAS ADVISED BY SERVICE MANAGER, MY LIFT GATE MOTOR HAD TO BE REPLACED. THIS IS MY 3RD CHEVY/GMC SUV AND MY FIRST TWO SUBURBANS HAD OVER 250K MILES AND NEVER HAD AN ISSUE W/ MY LIFT GATE. MY YUKON HAS ONLY 114K MILES, WELL TAKEN CARE OF AND THE LIFT GATE FAILS ME. THE EXISTING RECALL SHOULD APPLY TO MY REPAIRS, ESTIMATE COST $700.00.

NHTSA ODI 11207409

May 14, 2019Electrical system

TL* THE CONTACT OWNS A 2015 GMC YUKON. THE CONTACT STATED THAT THE PASSENGER SIDE TAIL LIGHT FAILED TO ILLUMINATE. THE VEHICLE WAS TAKING TO WALKER BUICK GMC (1616 MACARTHUR DR, ALEXANDRIA, LA 71301 (318) 542-7481) WHERE THE CONTACT WAS INFORMED THAT PIG TAIL WIRING WAS CORRODED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INFORMED THE CONTACT THAT THERE WAS NOT A RECALL ON THE VEHICLE. THE FAILURE MILEAGE WAS 55,000.

NHTSA ODI 11207450

May 14, 2019Lights

BOTH TAIL LIGHTS WORK INTERMITTENTLY. I HAVE BEEN STOPPED BY OTHER DRIVERS ON SEVERAL OCCASIONS TO TELL ME THAT ONE OF MY TAIL LIGHTS WAS NOT WORKING. BOTH LIGHTS ARE EFFECTED, BUT NOT USUALLY AT THE SAME TIME, SO I AT LEAST HAVE ONE WORKING LIGHT AT A TIME. THIS HAS BEEN HAPPENING SINCE I PURCHASED THE VEHICLE FROM THE DEALERSHIP USED CAR LOT ON 01/23/2019 WHETHER I AM SITTING STILL OR DRIVING DOWN THE ROAD. WHEN THE LIGHT GOES OFF, YOU CAN HIT THE LIGHT ASSEMBLY WITH YOUR HAND AND IT WILL MOMENTARILY COME BACK ON.

NHTSA ODI 11207595

May 12, 2019Lights

BOTH BACK BRAKE LIGHT WORK INCONSISTANTLY. WHILE MOVING AND AT A COMPLETE STOP. LOCAL DEALERSHIP CHARGES AT MIN 1200 PER LIGHT TO FIX. SEEMS TO BE A COMMON PROBLEM WITH THE DENALI'S.

NHTSA ODI 11207084

May 10, 2019Lights

OUR 2015 GMC YUKON DENALI HAS HAD THE REAR TAIL LIGHTS INTERMITTENTLY STOP WORKING FOR SOME TIME NOW. WE EVEN GOT PULLED OVER BY THE POLICE AND WERE ISSUED A FIX IT TICKET!

NHTSA ODI 11206647

May 10, 2019Electrical systemLightsBrakes

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

NHTSA ODI 11206794

May 9, 2019Lights

THE CIRCUIT BOARDS ON MY BRAKE LIGHTS ARE OUT. I HAVE FOUND THAT WHEN MOISTURE GETS IN THEM OR WHEN I HIT A BUMP IN THE ROAD THEY STOP WORKING. SOMETIMES THEY WORK AND SOMETIMES THEY DON'T. THIS HAPPENS DAILY...WHEN THEY VEHICLE STATIONARY, IN MOTION, ON A CITY STREET OR ON A HIGHWAY.

NHTSA ODI 11206502

May 9, 2019Lights

DRIVER'S SIDE, REAR TAIL LIGHT FAILED TO LIGHT WHEN PARKED, OR WHEN DEPRESSING THE BRAKE PEDAL. DEALERSHIP QUOTED JUST UNDER $800 TO REPLACE. HAD LIGHT REPLACED, AND THE SAME THING IS HAPPENING AGAIN. DEALER STATES THAT "LIGHTS GO OUT SOMETIMES."

NHTSA ODI 11206599

May 9, 2019Lights

REAR TAIL LIGHT IS NO LONGER WORKING. LIGHTS ARE LED, SO THE ENTIRE TAIL LIGHT NEEDS TO BE REPLACED.

NHTSA ODI 11206624

May 8, 2019Lights

SHORTAGE IN PASSENGER SIDE TAIL LIGHT. DEALERSHIP QUOTED $800 TO REPLACE COMPLETE LIGHT.

NHTSA ODI 11206173

May 8, 2019Lights

BRAKE AND TAIL LIGHTS GO OUT INTERMITTENTLY WHILE DRIVING. I'VE BEEN STOPPED MULTIPLE TIMES ON ROAD WITH OTHER DRIVERS TELLING ME. I ALSO HAVE SEVERAL FRIENDS WITH SAME MODEL TELLING ME THIS HAPPENED TO THEM.

NHTSA ODI 11206260

May 8, 2019Electrical system

REAR TAIL LAMP AT BRAKE LIGHT WORK INTERMITTENTLY. IT IS KNOWN THAT THE CIRCUITRY CONNECTING THE LEDS BREAK.

NHTSA ODI 11206344

May 7, 2019Lights

BOTH REAR BRAKE LIGHTS HAVE FAILED

NHTSA ODI 11206084

May 7, 2019Lights

THE TAIL LIGHTS/ BRAKE LIGHTS THE CHEAPLY MADE AND HAVE READ OF HUNDREDS OF PEOPLE WITH THIS SAME ISSUE I'M HAVING THAT THE CIRCUIT BREAKS AND THEY STOP WORKING. THIS IS A SERIOUS SAFETY ISSUE

NHTSA ODI 11206088

May 7, 2019

THE AIR CONDITIONING HAS FAILED IN BOTH OF THE YUKON'S WE OWN SO WE DECIDED TO TAKE ONE OF THEM TO A FRIENDS BODY SHOP WHO DISCOVERED THAT THE CONDENSER DESIGN IS ASSEMBLED TO THE VEHICLE FRAME WITH THE PIPE ENTERING THE CONDENSER IN COMPLETELY RIGID STATE MEANING THAT WHEN THERE IS FLEX TO THE VEHICLE FRAME THE PIPE DOES NOT MOVE AND THUS CRACKS OVERTIME FROM THE CONDENSER, MAKING THE CONDENSER LEAK AND RENDERING THE AIR CONDITIONING USELESS. WE WERE TRAVELING IN SOUTH CAROLINA WITH A 11 MONTH OLD, A 2 YEAR OLD AND A TEN YEAR OLD. WE PULLED OVER SO MY BOYFRIEND COULD RUN INTO A PIGGLY WIGGLY TO GRAB SOME GROCERIES AND I STAYED IN THE CAR WITH THE KIDS. THE AIR WAS RUNNING AND WITHIN MINUTES THE CAR SUDDENLY BECAME VERY WARM AND UNCOMFORTABLE AND I IMMEDIATELY CHECKED THE AC AND IT WAS RUNNING BUT NO COLD AIR WAS COMING OUT. IN FACT THE CAR WAS BECOMING LIKE A SAUNA. OUR KIDS GET VERY CAR SICK. BEFORE I COULD GET ALL THREE OF THE OUT OF THE CAR THE 2 YEAR OLD HAD ALREADY VOMITED. NEEDLESS TO SAY THE REST OF THE TRIP WAS ABSOLUTELY HORRIBLE TO GO ANYWHERE BY CAR AND THE DRIVE HOME WAS MISERABLE WITH A PUKING 2 YEAR OLD AS WE HAD TO DRIVE WITH THE WINDOWS DOWN FOR FRESH AIR BUT IT WAS STEAMY AND UNCOMFORTABLE. WHEN PEOPLE THINK OF SAFETY ISSUES THEY NORMALLY THINK OF BRAKES, ENGINES, ETC WHILE DRIVING. WHEN YOUR AC GOES OUT AND YOU HAVE VERY YOUNG CHILDREN THAT YOU NORMALLY WOULD NOT PUT IN THAT SITUATION SUCH AS A NEW BORN IT PRESENTS A SAFETY ISSUE AND SHOULD BE ADDRESSED BY GM. THE CURRENT AIR CONDITIONING SYSTEM HAS A 100% FAILURE RATE BEFORE 100K MILES AND IN SOME CASES MUCH SOONER THAN THAT. BOTH OF OUR VEHICLES HAD IT HAPPEN BEFORE 60K MILES. THE REASON GM WONT GET BEHIND IT IS THE LABOR COST TO FIX IT. YOU HAVE TO REMOVE THE ENTIRE FRONT END, THE LIGHTS AND THE FRONT FRAME IN ORDER TO GET TO THE CONDENSER. POOR DESIGN FOR SERVICE.

NHTSA ODI 11206104

May 6, 2019Lights

BOTH BREAKLIGHTS NO LONGER WORK DUE TO FAULTY ELECTRICAL PANEL.

NHTSA ODI 11205797

May 6, 2019Lights

THE LED TAIL LIGHTS ARE NOT WORKING PROPERLY AND COST 500 TO REPLACE IT WHICH IS RIDICOULOUS.

NHTSA ODI 11205923

May 2, 2019BrakesCrash

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!!!!

NHTSA ODI 11205286

May 2, 2019Electrical system

REAR TAIL LIGHTS CUT IN AND OUT. WORK ON AND OFF AND HAVE FAULTY PARTS.

NHTSA ODI 11205398

May 1, 2019Lights

MY PASSENGER TAIL LIGHT HAS STOPPED WORKING. I HAVE 50000 MILES ON MY YUKON AND CAN NOT IMAGINE THAT THIS SHOULD HAVE HAPPENED ALREADY. THE COST TO FIX THE TAIL LIGHT IS RIDICULOUS $1300 FOR ONE LIGHT. I COULD BY A USED CAR FOR THAT PRICE. HOW MANY COMPLAINTS DOES IT TAKE FOR A RECALL??

NHTSA ODI 11204973

May 1, 2019Lights

LED TAILLIGHTS ARE DEFECTIVE. THEY WORK INTERMITTENTLY ON BOTH SIDES. SEE NUMEROUS OTHER YUKON AND YUKON XL'S AROUND TOWN WITH THE EXACT SAME ISSUE. INTERMITTENT BRAKE AND TAIL LIGHTS IS UNSAFE. FROM RESEARCH I'VE DONE, IT APPEARS TO BE A DEFECTIVE PART. GMC SHOULD TAKE ACTION.

NHTSA ODI 11204982

Apr 30, 2019Brakes

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

NHTSA ODI 11204705

Apr 30, 2019Steering

WHEN PARKING THE STEERING WHEEL LOCKS UP, THE MONITOR THAT PLAYS THE RADIO SHUTS OF AND MY SPEEDOMETER MONITOR SHOWS 3 TO 4 DIFFERENT WARNINGS SUCH AS BRAKE ASSIST OFF, PARK ASSIST OFF, STABILITRAK AND POWER STEERING. THIS IS WHILE THE CAR IS IN MOTION AS WELL AS WHEN I PUT IT IN PARK.

NHTSA ODI 11204771

Apr 29, 2019Transmission & drivetrainElectrical system

AT 75,000 MILES I WOULDN'T EXPECT TO HAVE THIS MANY ISSUES OUT OF SUCH A NICE EXPENSIVE TRUCK... THE CHECK ENGINE LIGHTS COMES ON AND OFF AND IT PLEASES. WHEN THE CHECK ENGINE LIGHT IS ON THE REMOTE START DOESN'T WORK. THE TAIL LIGHTS WORK WHEN THEY WANT TO AND TO FIX A TAIL LIGHT JUST 1 IS $800.00. WHILE DRIVING ALL TYPES OF WARNINGS AND LIGHTS START COMING ON IN A RAPID WARNING ANNOYANCE. I'VE NEVER HOOKED A TRAILER TO THIS TRUCK AND IT KEEPS GIVING ME SOME TYPE OF TRAILER BRAKING SYSTEM WARNING. THE CRUISE CONTROL WORKS WHEN IT WANTS TO. BIG ISSUE!!!!! THE TRANSMISSION IS SLIPPING!!!!!!!!!!!! WHEN DRIVING IT WILL GIVE A HARD JERK AS IF IT'S HAVING TROUBLE SHIFTING. DOING THIS AT ANY SPEEDS, ANYTIME DURING ACCELERATING. SO MANY ISSUES OUT OF THIS TRUCK IT'S TO THE POINT WE ARE THROWING AWAY A TON OF MONEY ONTHIS THING!!!!!

NHTSA ODI 11204356

Apr 29, 2019Electrical system

DRIVERS SIDE LED TAILLIGHT STOPPED WORKING AND THE WHOLE ASSEMBLY HAS TO BE REPLACED AT $800. LED'S SHOULD LAST LIFE OF THE VEHICLE THAT IS WHY YOU CAN'T JUST REPLACE A BULB. I HAVE READ HUNDREDS OF POSTS WITH THE SAME ISSUE. GM SHOULD DO A RECALL OR OFFER A STEEP DISCOUNT ON THE REPLACEMENT.

NHTSA ODI 11204411

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Working with the data? Download all 977 complaints as CSV · fetched from NHTSA July 25, 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 1500 verdict →