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 20 of 40

Jun 26, 2019Lights

THE PASSENGER SIDE TAILLIGHT STARTED 'GOING OUT' RIGHT AFTER THE WARRANTY EXPIRED-MEANING, IT WOULD WORK OFF AND ON AT VARIOUS TIMES. THEN THE DRIVERS SIDE TAILLIGHT HAS STARTED DOING THE SAME THING. THIS IS A KNOWN ISSUE WITH THE GMC TAILLIGHTS AND YET GMC HAS YET TO RECOGNIZE ANY ISSUE. THIS IS A MAJOR SAFETY ISSUE FOR ANYONE DRIVING THESE MODELS WITH FAILING TAILLIGHTS. THIS NEEDS TO BE INVESTIGATED

NHTSA ODI 11222648

Jun 26, 2019Brakes

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.

NHTSA ODI 11222738

Jun 25, 2019Lights

PART OF THE CIRCUIT BOARD IN THE TAIL LIGHTS WAS VERY POORLY DESIGNED. IT IS A SEALED ASSEMBLY WITHOUT SERVICEABLE PARTS. A VERY THIN STRIP OF METAL, ONE AT THE TOP, AND ONE AT THE BOTTOM BREAK DUE TO THERMAL EXPANSION AND CONTRACTION. IT GIVES NO WARNING NO LIGHTS NOTHING JUST ALL THE SUDDEN NO TAIL OR BRAKE LIGHT. IT'S NOT RIGHT IT ISN'T SERVICEABLE, AND THE DEALERSHIP CHARGES $400 PLUS FOR A NEW ONE. WHAT HAPPENS IF BOTH FAIL AT THE SAME TIME. G.M. NEEDS TO BE HELD LIABLE, AND DO THE RIGHT THING. AFTER ALL THEY ARE SUPPOSED TO BE "PROFESSIONAL GRADE".

NHTSA ODI 11222396

Jun 24, 2019Lights

DRIVER SIDE BRAKE LIGHT STOPPED WORKING ON 2015 YUKON W 65K MILES AND NO ACCIDENTS. DEALER SAID IT'S A KNOWN ISSUE AND PART IS $800 TO REPAIR DUE TO LED ASSEMBLY. GMC CUSTOMER SERVICE OFFERED A $100 VOUCHER TO GO TOWARDS NEW PART (IF I TOOK MY CAR IN AND PAID FOR A DIAGNOSTIC TEST) WHICH IS A JOKE. AS OF TODAY THERE ARE 278 COMPLAINTS REGARDING 2015 YUKONS AND 60% OF THOSE ARE REGARDING EXTERIOR LIGHTING. HOWEVER GMC CUSTOMER SERVICE WOULD NOT ADMIT FAULTY TAIL LIGHTS WERE A "KNOWN ISSUE." WHY ISN'T THIS A RECALL?! AND WHY ARE CONSUMERS STILL BE CHARGED $800 FOR FAULTY TAIL LIGHT ASSEMBLIES? GMC IS PROFITING OFF OF KNOWN WIDE-SPREAD ISSUES AND NEEDS TO BE HELD ACCOUNTABLE. THE BRAKE LIGHT IS ON BACKORDER DUE TO THE SHEER NUMBER OF OTHERS EXPERIENCING THIS SAME ISSUE. MY CAR HAS HAD SHOCKS REPLACED AT 15K MILES, ELECTRICAL ISSUES WITH INTERIOR LIGHTS, AC PROBLEMS, AND NOW THIS ALL BEFORE 70K. COME ON GMC....STEP IT UP OR ELSE I'LL BE TRADING MY POS YUKON IN FOR A CHEVY.

NHTSA ODI 11222245

Jun 23, 2019Lights

LEFT AND RIGHT LED TAILLIGHTS AND BRAKE LIGHTS WORK INTERMITTENTLY. THIS PROBLEM HAS CONTINUED FOR OVER A YEAR AND IS A KNOWN PROBLEM TO GM.

NHTSA ODI 11222010

Jun 21, 2019Lights

THE TAIL LIGHT FAILED WITH NO PHYSICAL DAMAGE. L.E.D. FAILURE NO TAIL LIGHT OR BRAKE LIGHT. BULBS ARE NOT REPLACEABLE & THE WHOLE TAIL LIGHT NEEDS TO BE REPLACED

NHTSA ODI 11221653

Jun 20, 2019Lights

THE TAIL LIGHT FAILED WITH NO PHYSICAL DAMAGE. I FEEL THIS IS A LATENT DEFECT THAT GM IS AWARE OF BUT WILL NOT TAKE RESPONSIBILITY FOR IT. THIS A SEALED UNIT CAUSING OWNERS TO PAY EXORBITANT AMOUNTS TO REPLACE THE UNIT. THERE ARE MANY REPORTS OF THIS ITEM FAILING IN THE FIELD WITHIN AN UNACCEPTABLE TIME PERIOD. PRODUCTION DATE ON OUR UNIT IS APR/24/14, SO JUST OVER A FIVE YEAR PERIOD ON A VEHICLE WITH LESS THAN 80K MILES.

NHTSA ODI 11221424

Jun 20, 2019SuspensionWheels

THE WHEELS HAVE CORROSION AND SHARP EDGES HAVE STARTED TO FORM. THESE SHARP EDGES ARE PUTTING PRESSURE ON THE THE TIRES CAUSING THEM TO LOSE AIR. WE WERE REQUIRED TO PURCHASE NEW WHEELS AS THE ONLY SOLUTION. WHEELS SHOULD LAST THE LIFE OF A VEHICLE, NOT FOUR YEARS.

NHTSA ODI 11221505

Jun 20, 2019Lights

TAKATA RECALL: I WAS INFORMED TODAY BY ANOTHER DRIVER THAT BOTH OF MY REAR BREAK LIGHTS ARE OUT, AND I CHECKED AND DONT HAVE ANY REAR BREAK LIGHTS ONLY THE STRIP LIGHT UP TOP WORKS. I WAS DRIVING ON A CITY STREET AND HAVE ONLY EVER DRIVER ON CITY STREETS OR HIGHWAYS. THIS IS SOME BULL CRAP CONSIDERING THE PRICE OF THESE VEHICLES AND NEED A RECALL FOR THE REAR BREAK LIGHTS, BECAUSE THEY ARE $800.00 TO REPLACE EACH BREAK LIGHT.

NHTSA ODI 11221590

Jun 19, 2019LightsSeat beltsBrakes

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.

NHTSA ODI 11221339

Jun 18, 2019Lights

LEFT REAR BRAKE LIGHT FIXTURE (LED STYLE) COMPLETELY FAILED AFTER 54,000 MILES. IT'S NOT THE LEDS THEMSELVES. SOMETHING ELSE IN THE POWER SUPPLY FAILED.

NHTSA ODI 11220996

Jun 18, 2019Lights

THE REAR BRAKE LIGHTS OF MY VEHICLE WENT OUT IN JULY OF 2017 BOTH OF THEM WITHIN A WEEK, DRIVER AND PASSENGER SIDE. I HAD THE WHOLE LIGHT PANEL REPLACED UNDER THE WARRANTY ON EACH OF THEM AND NOW AGAIN MY PASSENGER-SIDE BRAKE LIGHT HAS GONE OUT. IT CAME BACK ON MOMENTARILY IN THE MORNING AND THEN WENT OUT AGAIN. I HAVE RESEARCHED THE ISSUE AND FOUND THAT MANY PEOPLE ARE HAVING THE SAME PROBLEM ANDA FRIEND OF MINE CURRENTLY HAS ONE OUT ON HER 2017 YUKON WHICH SHE IS TAKING IN TO GET FIXED. SPEAKING WITH THE SERVICE ADVISORS AT THE DEALERSHIP THEY INFORMED ME THAT THIS IS A COMMON PROBLEM BUT NO RECALLS HAVE BEEN ISSUED FOR IT. AS OF TODAY THE PART IS ALSO ON BACKORDER AND THEY DO NOT KNOW WHEN THEY WILL GET THE PART IN. SO IN THE MEANTIME I AM WITHOUT A BRAKE LIGHT.

NHTSA ODI 11221043

Jun 14, 2019Lights

BRAKE LIGHTS GIVE OUT ON BOTH SIDES AND ARE VERY EXPENSIVE TO REPAIR

NHTSA ODI 11220212

Jun 13, 2019Lights

BOTH OF THE VEHICLE TAIL LIGHTS HAVE BECOME NONOPERATIONAL DUE TO A MANUFACTURING DEFECT. BRAKE LIGHTS DO NOT WORK. THE TAIL LIGHTS ARE A COMPLETE ASSEMBLES AND CONSIST OF LEDS.

NHTSA ODI 11219830

Jun 13, 2019Lights

MY RIGHT BRAKE LIGHT WAS GOING IN AND OUT AND THEN IT TOTALLY WENT OUT. THERE SHOULD BE A RECALL ON THIS ISSUE AS PLENTY OF PEOPLE SEEM TO HAVE THE SAME PROBLEM. LED LIGHTS SHOULD LAST A LOT LONGER.

NHTSA ODI 11219918

Jun 12, 2019LightsBrakes

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.

NHTSA ODI 11219619

Jun 11, 2019Electrical systemLights

MY VEHICLE IS A 2015 YUKON XL. IN 2018 I HAD TO REPLACE MY FRONT DRIVER SIDE LED LIGHTS AND MY PASSENGER SIDE REAR BRAKE LIGHT FOR A COST OVER $2,000. I LITERALLY HAD TO CANCEL A FAMILY VACATION IN ORDER TO PAY FOR THE LIGHTS ON MY VEHICLE. IT IS ILLEGAL TO DRIVE WITHOUT WORKING BRAKE LIGHTS. THIS YEAR, JUNE 2019, I NEEDED TO REPLACE THE DRIVER SIDE BREAK LIGHT AT A COST CLOSE TO $1,000.

NHTSA ODI 11219324

Jun 10, 2019Lights

DRIVERS SIDE TAIL LIGHT ASSEMBLY DOES NOT WORK. THERE WAS NO DAMAGE IT JUST QUIT WORKING.

NHTSA ODI 11219074

Jun 10, 2019Transmission & drivetrain

MY YUKON MAKES VERY HARD SHIFTS WHEN ACCELERATING AND DECELERATING. THE TCM WAS REPROGRAMMED AFTER VEHICLE SHUT OFF ON THE HIGH WAY LAST NOVEMBER. NOW THE TRUCK SHUDDERS BETWEEN 25 AND 45MPH ESPECIALLY WHEN CLIMBING OR FILLED WITH PASSENGERS. VIBRATION CAN BE FELT THROUGH THE CABIN.

NHTSA ODI 11219096

Jun 9, 2019Electrical systemLights

FAULTY BRAKE-LIGHT AND COSTLY FIX. DEALERSHIP HAS TAILLIGHT ON BACK ORDER SO A REPLACEMENT ISNT EVEN AVAILABLE. DEALERSHIP WANTS $675 JUST FOR THE PART THAT CANT EVEN BE ORDERED. DANGEROUS TO DRIVE THE VEHICLE WITH NO SOLUTION AVAILABLE.

NHTSA ODI 11218774

Jun 8, 2019Electrical systemLights

TAIL LIGHTS INTERMITTENTLY GO OUT WITHOUT NOTICE. THIS CAN HAPPEN WHILE DRIVING OR STATIONARY

NHTSA ODI 11218606

Jun 8, 2019Electrical systemLights

THE HEADLIGHTS HOUSINGS HAVE CONDENSATION IN THEM AND IT HAS CAUSE THE TURN SIGNAL AND LED LIGHTS TO SHORT OUT. THE LED LIGHTS IN THE TAIL LIGHT HOUSING INCLUDING THE BRAKE LIGHTS HAVE ALSO SHORTED OUT. THE LED SCREEN AND COMPUTER IN THE CENTER CONSOLE HAS ALSO SHORTED OUT.

NHTSA ODI 11218668

Jun 8, 2019Electrical system

REAR PASSENGER BRAKE LIGHT WORKS INTERMITTANTLY WHILE DRIVING.

NHTSA ODI 11218693

Jun 6, 2019Lights

TAIL LIGHTS INTERMITTENTLY WORK. THERE IS NO WAY TO REPLACE A BULB, AND GMC HAS A REPLACEMENT THAT FIXES THE PROBLEM, BUT IT HAS NOT BEEN RECALLED TO FIX THE ISSUE.

NHTSA ODI 11218264

Jun 5, 2019Electrical system

DRIVER AND PASSENGER SIDE TAIL LIGHTS FLICKERING ON AND OFF. TWICE I'VE GOTTEN PULLED OVER FOR TAIL LIGHTS ISSUES AND REAR ENDED BECAUSE OF THEM.

NHTSA ODI 11218094

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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 →