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 33 of 40

Jul 3, 2018Seat belts

TL* THE CONTACT OWNS A 2015 GMC YUKON. THE CONTACT STATED THAT THE PASSENGER SIDE SEAT BELT LATCH DETACHED INDEPENDENTLY. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO DUBLIN GMC (4400 JOHN MONEGO CT, DUBLIN, CA) WHERE IT WAS DIAGNOSED THAT THE SEAT BELT LATCHING SYSTEM WAS JAMMED DUE TO AN OBJECT. UPON INSPECTION, THE CONTACT DID NOT SEE ANYTHING INSIDE OF THE BUCKLE. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 93,000.

NHTSA ODI 11105403

Jul 2, 2018Electrical systemLights

REAR TAIL LIGHT NOT WORKING

NHTSA ODI 11105030

Jul 1, 2018Lights

MY PASSENGER SIDE TAIL BRAKE LIGHT WORKS INCONSISTENTLY

NHTSA ODI 11104986

Jun 30, 2018Lights

WHEN THE CAR IS TURNED ON, THE PASSENGER TAIL LIGHT ASSEMBLY IS MALFUNCTIONING AND INCONSISTENTLY WORK, BUT THE TURN SIGNAL AND BRAKE LIGHTS ARE WORKING IN THE SAME ASSEMBLY.

NHTSA ODI 11104872

Jun 28, 2018Lights

BRAKE LIGHTS GO OUT (BOTH SIDES) INTERMITTENTLY. STARTED HAPPENING AT LESS THAN 1YR OLD, AND CONTINUES TO HAPPEN.

NHTSA ODI 11104532

Jun 26, 2018Lights

THE FIRST COMPLAINT IS ABOUT THE TAII LIGHTS. ONE OF THE RUNNING LIGHTS DOES NOT ILLUMINATE. I FIGURED IT WOULD BE A LAMP. NOPE. $500-$800 TO REPLACE THE ENTIRE ASSEMBLY! APPARENTLY IT IS SO COMMON THERE ARE SEVERAL PEOPLE ONLINE THAT HAVE BUSINESSES REPAIRING THEM.

NHTSA ODI 11104143

Jun 23, 2018Lights

RIGHT BRAKE LIGHT NO LONGER WORKS. UNABLE TO REPLACE BULB AND HAVE TO SPEND 775 ON A NEW LIGHT HOUSING SINCE THESE ARE NOT SERVICEABLE LIGHTS

NHTSA ODI 11103590

Jun 23, 2018Lights

PASSENGER SIDE TAIL LIGHT WORKS ONLY INTERMITTENTLY. THE TURN SIGNAL STILL FUNCTIONS, BUT THE BRAKE LIGHT ITSELF FAILS. I WAS PULLED OVER MY POLICE FOR A NON-FUNCTIONING TAIL LIGHT. NEW LIGHT ASSEMBLY IS $660 PER LIGHT TO REPLACE AT THE DEALERSHIP. THIS PROBLEM OCCURS REGARDLESS OF THE VEHICLE BEING IN MOTION OR NOT.

NHTSA ODI 11103592

Jun 22, 2018Lights

BRAKE LIGHTS WORKING INTERMITTENTLY. OCCASIONALLY EITHER THE RIGHT OR LEFT WILL NOT LIGHT UP. NOT REPEATABLE OR CONSISTENT AND DEALER NOTES NO SERVICE BULLETINS OR CODES.

NHTSA ODI 11103354

Jun 22, 2018Lights

THE REAR LED BRAKE LIGHTS ARE INTERMITTENTLY NOT WORKING. IT APPEARS TO BE A BAD CONNECTION OR FAULTY LIGHT BOARD INSIDE THE HOUSING. WHEN THE TEMPERATURE GETS HOT, THE BRAKE LIGHTS STOP WORKING. IT CAN HAPPEN AT ANY TIME, WHEN DRIVING OR PARKED. NOT HAVING BREAK LIGHTS ON A VEHICLE IS EXTREMELY DANGEROUS. THERE IS NOT A WAY TO CHANGE THE BULBS OR BOARD WITHOUT CHANGING THE ENTIRE LIGHT HOUSING. AFTER A QUICK GOOGLE SEARCH, THIS IS A SERIOUS SAFETY PROBLEM AFFECTING A HUGE NUMBER OF PEOPLE WITH THE SAME EXACT ISSUE. THOUSANDS OF PEOPLE ARE EXPERIENCING THE SAME PROBLEM AND IT APPEARS TO BE A MANUFACTURING KNOWN ISSUE THAT THE DEARLERAHIPS ARE CASHING IN ON.

NHTSA ODI 11103392

Jun 22, 2018Lights

BRAKE LIGHT BURNT OUT REQUIRING THE ENTIRE TAIL LIGHT LENS TO BE REPLACED AT A SUBSTANTIAL AND EXCESSIVE COST OVER $800 FOR PARTS AND LABOR. VEHICLE MILEAGE UNDER 36,000 MILES.

NHTSA ODI 11103423

Jun 22, 2018Lights

TL* THE CONTACT OWNS A 2015 GMC YUKON. WHILE DRIVING VARIOUS SPEEDS OR WHILE THE VEHICLE WAS STATIONARY, THE BRAKE LIGHTS FAILED TO ILLUMINATE WHEN THE BRAKE PEDAL WAS DEPRESSED. THE FAILURE OCCURRED ON SEVERAL OCCASIONS. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO ALLEN CADILLAC GMC (28332 CAMINO CAPISTRANO, LAGUNA NIGUEL, CA 92677, (949) 485-3700) WHERE IT WAS DIAGNOSED THAT THE LED CIRCUIT PANEL WAS FAILING AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 30,800.

NHTSA ODI 11103466

Jun 21, 2018Lights

THE TAIL LIGHTS ON BOTH SIDES ARE LED LIGHTS. THEY ARE WORKING INTERMITTENTLY. ONE SIDE WILL SOMETIMES COME BACK ON IF I BUMP IT WITH MY HAND. MY VEHICLE HAD LESS THAN 50,000 MILES ON IT WHEN THIS STARTED OCCURRING BUT WAS OUT OF WARRANTY. I HAVE BEEN TOLD THAT IT WILL COST APPROXIMATELY $1500 TO FIX. I HAVE ALSO BEEN TOLD BY THE DEALER THAT THIS IS A COMMEN PROBLEM WITH THE 2015 MODEL. I FEEL THAT THIS IS AN EXTREME SAFETY ISSUE AND SHOULD BE REPLACED BY GM THROUGH A RECALL. BECAUSE THE LIGHTS WORK INTERMITTENTLY, IT IS OBVIOUSLY A SHORT OR DEFECT OF SOME KIND.

NHTSA ODI 11102944

Jun 21, 2018Lights

LED CIRCUIT BOARD FAIL. DEALERSHIP WILL FIX FOR OVER $2000 WITH THE OLD FAULTY PARTS INSTEAD OF THE NEW PARTS. HUNDREDS OF PEOPLE HAVE HAD THIS SAME ISSUE AND IT NEEDS TO BE ADDRESSED.

NHTSA ODI 11103095

Jun 19, 2018Lights

HEADLIGHT HAS WATER CONDENSATION IN IT AND DEALERSHIP SAYS IT'S A SEALED UNIT SO THE WHOLE HEADLIGHT NEEDS REPLACED AND IF IT HAPPENED TO THE PASSENGER SIDE IT'S MOST LIKELY GOING TO HAPPEN TO THE DRIVER SIDE 1 HEADLIGHT COST $1,200 TO REPLACE AND LABOR IF GMC KNOWS THIS IS A PROBLEM WITH THE 2015 YUKONS HOW COME SOMETHING IS NOT BEING DONE ABOUT IT BECAUSE $1,200 IS NOT A SMALL AMOUNT OF MONEY!

NHTSA ODI 11102581

Jun 18, 2018Lights

RIGHT REAR TAILLIGHT WORKS INTERMITTENTLY. IT IS AN LED ASSEMBLY, NO BULBS CAN BE REPLACED. ONLY WAY TO REPAIR IS TO REPLACE TOTAL ASSEMBLY AT COST OD WELL OVER $650.00. THIS IS A DESIGN OR PRODUCT FLAW THAT GM IS AWARE OF AND SHOULD BE REPLACE UNDER WARRANTY. THEY DENY THERE IS A PROBLEM.

NHTSA ODI 11102453

Jun 15, 2018Electrical system

TAIL LIGHT LED STOPPED WORKING. CONNECTION FAILED

NHTSA ODI 11102192

Jun 14, 2018Lights

LED TAILLIGHT IS ALREADY OUT - SHOULD LAST FOR 10+ YEARS, CAR IS OUT OF WARRANTY, DEALER CHARGES $750 TO REPLACE AND CAN'T GUARANTEE IT WON'T HAPPEN AGAIN. DEALER CAN'T EXPLAIN WHY THE LIGHT IS OUT, SAYS IT JUST HAPPENS

NHTSA ODI 11101771

Jun 14, 2018Lights

TAIL LIGHTS INTERMITTEDLY DO NOT WORK. SOMETIMES IT'S THE RIGHT SIDE AND SOMETIMES IT'S THE LEFT SIDE. I'VE SEEN MANY OTHER COMPLAINTS ON LINE AS I HAVE BEEN RESEARCHING FOR PRICING.

NHTSA ODI 11101776

Jun 14, 2018Steering

STEERING WHEEL CREATES A LOCKING/POPPING/CLICKING NOISE WHILE MAKING TURNS. THIS IS CAUSED BY A LOOSENING OF THE BOLT WHICH MAY AFFECT THE WHEEL BEARINGS CREATING A POTENTIALLY DANGEROUS SITUATION. THIS NEEDS TO BE ADDRESSED BEFORE SOMETHING SERIOUS HAPPENS. THE CONDITION OCCURS WHENEVER THE STEERING WHEEL IS TURNED TO THE LEFT OR RIGHT, FROM 0-35 MPH.

NHTSA ODI 11101793

Jun 13, 2018Lights

RIGHT BRAKE LIGHT HAS BEEN WORKING INTERMITTENTLY. THIS HAS BEEN AN ISSUE WHEN THE CAR IS BOTH PARKED AND IN MOTION.

NHTSA ODI 11101640

Jun 13, 2018Lights

I HAVE THIS EXACT SAME PROBLEM...I CAN NOT AFFORD TO FIX IT. BRAKE LIGHT STOPPED WORKING, GMC WANTS TO REPLACE THE WHOLE ASSEMBLY FOR $800. MY WARRANTY HAS EXPIRED BUT I THINK GMC SHOULD HAVE AWAY TO REPAIR THE LIGHT INSTEAD OF REPLACING THE WHOLE ASSEMBLY. A RECALL ON THIS SHADY WAY OF GETTING THE CONSUMER HARD EARNED MONEY. BECAUSE IT SHOULD LAST LONGER. I CAN?T DRIVE MY CAR IN FEAR OF GETTING A TICKET. PLEASE HELP

NHTSA ODI 11101735

Jun 12, 2018Electrical system

THE PASSENGER BRAKE LIGHT IS OUT AND THE SMALL LED CANNOT BE INDIVIDUALLY REPLACED BY THE DEALER. GMC ONLY SELLS THE ENTIRE UNIT FOR OVER $850.00. THIS IS A KNOWN WARRANTY ISSUE THAT GM REFUSES TO ACKNOWLEDGE.

NHTSA ODI 11101324

Jun 12, 2018Electrical systemLights

MY TAIL LIGHT WILL QUIT WORKING INTERMITTENTLY. WHEN IT IS COOL, THEY WORK, WHEN IT GETS HOT, THEY QUIT WORKING.

NHTSA ODI 11101394

Jun 11, 2018Lights

REAR BLACK LIGHTS FAIL... KNOWN ISSUE... ONLY FIX IS $750... GMC KNOWS IT IS AN ISSUE AND HASN'T DONE A RECALL... MOST CARS YOUR TAIL LIGHT GOES OUT $10 TO FIX... GMC $750

NHTSA ODI 11101106

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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 →