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)

168 of 977 complaints match · Electrical system · clear filters · page 4 of 7

Aug 23, 2019Electrical system

DRIVER SIDE BRAKE LIGHT IS INTERMITTENTLY WORKING. HAVE SEEN MANY COMPLAINTS FOR THIS, SEEMS TO BE POOR DESIGN AND SHOULD BE RECALLED.

NHTSA ODI 11245991

Aug 22, 2019Electrical system

THE VEHICLE IS A 7 PASSENGER 2015 GMC YUKEN VEHICLE. BOTH REAR TAIL LIGHT ASSEMBLIES HAD TO BE REPLACED AT A COST OF $500.00 EACH. THE ENTIRE LIGHTING ASSEMBLY INCLUDING BRAKE LIGHT FAILED. THE OPERATOR IS NEVER MADE AWARE BY THE VEHICLE WARNING SYSTEM THAT THE VEHICLE'S BRAKE OR TAIL LIGHTS ARE NOT FUNCTIONING. THE ONLY WAY THE HAZARD IS IDENTIFIED IS IF ANOTHER OPERATOR NOTIFIES THE OWNER. BEING THAT THE VEHICLE IS A 7 PASSENGER AND USUALLY CARRYING CHILDREN ARE IN THE THIRD ROW THIS IS VERY DANGEROUS. A REAR END COLLISION DUE TO NO LIGHTS OR BRAKE LIGHTS IS VERY POSSIBLE. I CONTACTED GMC AND THEY ARE AWARE OF THE LED LIGHTS FAILING HOWEVER DUE TO THE FACT THAT THERE IS NO RECALL THEY WILL NOT PAY FOR THE NEW LED LIGHTS. DOES IT HAVE TO TAKE A VEHICLE BEING REAR ENDED AND A CHILD INJURED OR KILLED TO HAVE THESE VEHICLES RECALLED? THIS ISSUE IS ALL OVER THE INTERNET, ONE HAS TO TYPE GMC LED LIGHT FAILURE AND THOUSANDS OF PEOPLE ARE COMPLAINING

NHTSA ODI 11245884

Aug 21, 2019Electrical systemLights

TL* THE CONTACT OWNS A 2015 GMC YUKON DENALI. WHILE REVERSING THE VEHICLE, THE CONTACT WAS INFORMED THAT THE BRAKE LIGHTS WERE NOT ILLUMINATING. HOWEVER, WHEN THE VEHICLE WAS IN DRIVE, THE BRAKE LIGHTS ILLUMINATED. ALSO, WHEN THE CONTACT DEPRESSED THE BRAKE PEDAL TO SLOW OR STOP THE VEHICLE, THE BRAKE LIGHTS DID NOT ILLUMINATE. THE CONTACT CALLED COULTER BUICK GMC PHOENIX (1202 E CAMELBACK RD, PHOENIX, AZ 85014, (602) 396-5994) AND WAS INFORMED THAT THERE WERE NO RECALLS. THE DEALER REFERRED THE CONTACT TO THE MANUFACTURER. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 64,000.

NHTSA ODI 11245472

Aug 10, 2019Electrical systemLightsBrakes

REAR BRAKE LIGHT ASSEMBLY FAILING TO LIGHT WHEN BRAKES APPLIED AND THERE IS NOT A NOTIFICATION TO THE DRIVER. THIS IS A MANUFACTURE FLAW WITH THE LED LIGHT CIRCUIT INSIDE THE ASSEMBLY. THERE IS NOT A LIGHT OUT NOTIFICATION SO THE DRIVER IS NOT AWARE THE BRAKE LIGHT HAS FAILED. THIS IS A SAFETY ISSUE AND IS AN WELL KNOWN ISSUE ON THE 2015-2019 YUKON. THIS IS OCCURRING OFTEN AND GMC IS HAVING PROBLEMS WITH SUPPLYING REPLACEMENTS BECAUSE THE DEMAND IS SO HIGH FROM THE FAILURE. GMC HAS ALSO RAISED THE PRICE OF THE BRAKE LIGHT BY 30% FROM $425 TO $675 NOT INCLUDING LABOR. I CALLED THE DEALER AND THEY INFORMED IT WAS A HIGH FAILING ITEM AND WAS ON BACKORDER AND NOT SURE WHEN THEY WOULD GET ONE. DRIVING THE VEHICLE WITHOUT PROPER BRAKE LIGHTS IS A SAFETY CONCERN AND NOT LEGAL SO LEFT WITH LITTLE OPTION BUT TO STOP DRIVING THE YUKON.

NHTSA ODI 11242951

Aug 5, 2019Electrical systemLights

2015 YUKON DENALI XL INTERMITTENTLY FAILING TAIL LIGHTS/BRAKE LIGHTS DUE TO CIRCUIT BOARD GETTING TOO HOT AND NOT COMMUNICATING PROPERLY BETWEEN LEFT AND RIGHT TAIL LIGHTS...PART FAILURE/POOR MANUFACTURING/SAFETY ISSUE

NHTSA ODI 11241871

Aug 4, 2019Electrical systemBody & structure

AFTER GETTING PULLED OVER BY THE POLICE FOR A TAIL LIGHT THAT WAS OUT,I WAS IN MOTION AND THIS IS WHEN I STARTED MY RESEARCH. RIGHT TAIL LIGHT IS OUT, FAULTY PARTS. CHECKED ALL FUSE AND WIRE CONNECTION FOR CORROSION, BUT THER WAS NO SIGN OF DAMAGE. GMC WANTS TO CHARGE $1,500 TO FIX. THE NEXT ISSUE IS THE PAINT JOB. I AM AT 50,000 MILES AND THE PAINT IS ALREADY FADING. THE CLEAR COAT WAS SUPER THIN AND CHEAPLY DONE. GMC SAID THEY WOULD COVER ONLEY 25% OF A $6000 - $12,000 PAINT JOB

NHTSA ODI 11241631

Jul 30, 2019Electrical systemLightsBrakes

THE BRAKE/TAIL LIGHTS WORK SOMEDAYS, AND NOT OTHER DAYS. ONE DAY THE ARE BOTH WORKING, ONE DAY ONLY ONE WORKS, AND SOME DAYS NEITHER WORK. THIS IS A PROBLEM THAT IS VERY PREVALENT. JUST LOOK ONLINE. I HAVE PERSONALLY PHOTOGRAPHED SEVERAL OF THE SAME ISSUE ON THIS MAKE AND MODEL IN MY HOMETOWN. THE DEALERSHIP WANTS ME TO PAY $1300 TO HAVE NEW LIGHTS INSTALLED AND GMC IS IN DENIAL OF THEIR PROBLEM.(THE BACK UP/REVERSE WHITE LIGHT WORKS ALL OF THE TIME, ITS THE RED BRAKE/TAIL LIGHT THAT DOESN'T WORK) THIS SHOWS THAT ITS AN ISSUE THAT SHOULD BE RECALLED, NOT REPLACED AT THE OWNER'S EXPENSE.

NHTSA ODI 11240628

Jul 30, 2019Electrical systemLights

TAIL LIGHT MALFUNCTION INTERMITTENTLY. THE TAIL LIGHTS AND BRAKE LIGHTS OCCASIONALLY WILL GO OUT AND COME BACK ON RANDOMLY. GMC KNOWS ABOUT THE ISSUE AND REPLACEMENTS COST ABOUT $750 PER UNIT WHICH EVEN THESE REPLACEMENTS HAVE BEEN KNOWN TO FAIL WITHIN A YEAR. THE FACT THAT THIS HAPPENS RANDOMLY AND SO INTERMITTENTLY THIS BECOMES A SAFETY ISSUE. I'VE HAD IT IN THE SHOP AND THEY SAID NOTHING WAS WRONG BECAUSE THEY WERE BOTH WORKING. I GET HOME AND THEY ARE NOT. IS THERE A WAY TO HAVE GMC REPLACE THESE VIA A SAFETY RECALL?

NHTSA ODI 11240737

Jul 8, 2019Electrical systemLights

TL* THE CONTACT OWNS A 2015 GMC YUKON. THE CONTACT STATED THAT THERE WAS AN INTERMITTENT ELECTRICAL FAILURE THAT CAUSED THE REAR TAIL LIGHTS TO SHORT OUT. IN ADDITION, ON SEVERAL OCCASIONS, OTHER MOTORISTS ALERTED THE CONTACT THAT EITHER ONE OR BOTH TAIL LIGHTS WERE OUT. GETTEL CHEVROLET BUICK GMC (1901 TAMIAMI TRAIL, PUNTA GORDA, FL 33950, (941) 347-6817) WAS NOTIFIED, BUT COULD NOT DUPLICATE THE FAILURE. THE FAILURE CONTINUED INTERMITTENTLY. THE CONTACT PURCHASED THE VEHICLE FROM VISION BUICK GMC (800 PANORAMA TRAIL S, ROCHESTER, NY 14625, (585) 200-3905) AND THEY SCHEDULED AN APPOINTMENT FOR DIAGNOSTIC TESTING. THE MANUFACTURER HAD NOT ISSUED AN ELECTRICAL SYSTEM RECALL TO PROVIDE A PERMANENT REMEDY. THE MANUFACTURER PROVIDED A CASE NUMBER AND WAS TO FOLLOW-UP WITH THE DEALER AND THE CONTACT. THE APPROXIMATE FAILURE MILEAGE WAS 48,000.

NHTSA ODI 11230195

Jun 28, 2019Electrical systemLightsBrakes

THE LEFT BRAKE LIGHT FAILED WITH 57K MILES. THE RIGHT ONE THEN FAILED AT 61K MILES. THE DEALER WANTED $735 EACH TO FIX THEM, AS THEY CLAIM THEY NEED TO REPLACE THE ENTIRE LED HOUSING. THE DEALER IS WELL-AWARE THAT THIS IS A COMMON PROBLEM, AND IT WOULD APPEAR BASED ON GOOGLING THE ISSUE THAT MANY OTHERS HAVE EXPERIENCED THIS FAILURE FROM GM.

NHTSA ODI 11228279

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 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 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

Jun 5, 2019Electrical systemLights

REAR TAILLIGHT RANDOMLY GOING ON AND OFF. INTERIOR LIGHT RANDOMLY FLICKER, THEFT DETERRENT SYSTEM OFTEN ACTIVATES, VEHICLE DASH SYSTEMS RANDOMLY RESET AND MOST RECENTLY VEHICLE STEERING WHEEL LOCKED AND CAR TURNED OFF WHILE I WAS DRIVING WITH MY KIDS IN THE CAR AND IN A SCHOOL ZONE!!!!! THIS COULD HAVE BEEN TRAGIC AND WAS VERY SCARY!!!!

NHTSA ODI 11218199

Jun 2, 2019Electrical system

REAR LED TAILLIGHTS INTERMITTENTLY FAIL DUE TO WEAK CIRCUIT BRIDGE DESIGN

NHTSA ODI 11217373

May 28, 2019Electrical systemLights

DRIVER SIDE TAIL LIGHT WOULD INTERMITTENTLY GO IN AND OUT FROM WORKING AND NOT WORKING. THE TAIL LIGHT WOULD DO THIS WHILE IN MOTION, WHILE STATIONARY, IT DID NOT MATTER. THE LOCAL DEALERSHIP THAT WE BOUGHT IT FROM SAID WE WOULD NEED TO REPLACE IT. OVER $750. NOW THE PASSENGER SIDE TAIL LIGHT IS DOING THE EXACT SAME THING. HUGE SAFETY HAZARD. CLEARLY A FAULTY PART, NOT JUST A BULB GOING OUT, BUT THE ENTIRE ELECTRICAL DESIGN OF THE THE TAIL LIGHT IS FLAWED. GM CHARGES YOU TO REPLACE THE ENTIRE HOUSING WITH THE SAME EXACT FAULTY PART THAT WAS ON THERE BEFORE.

NHTSA ODI 11210264

May 27, 2019Electrical system

REAR TAIL LIGHTS STOP WORKING ALL OF THE SUDDEN. LEFT AND RIGHT SIDE.

NHTSA ODI 11210136

May 21, 2019Electrical systemLights

BOTH LED TAIL LIGHT FIXTURES WENT OUT AT ONCE, BOTH NON FUNCTIONING. HAVE TO REPLACE BOTH FIXTURES COSTING OVER $1400 FROM A GM DEALERSHIP.

NHTSA ODI 11209105

May 16, 2019Electrical systemLightsBrakes

THE MOST DISTURBING CONCERN IS THE FACT THAT I LOST MY BRAKES AS A RESULT OF A KNOWN PROBLEM THAT GM HAS EVEN RECOGNIZED RELATING TO A FAULTY VACUUM BOOSTER PUMP. I INCURRED A $500 REPAIR BILL DESPITE GM'S ACKNOWLEDGEMENT OF THE PROBLEM AND WILLINGNESS TO PAY FOR CARS WITH LESS THAN 70000 MILES. UNFORTUNATELY, MINE WAS OVER THE ALLOWABLE MILEAGE. ADDITIONALLY, I AM LOOKING AT A $1500 REPAIR BILL FOR A SEALED HEADLIGHT REPLACEMENT AND ANOTHER $300 BILL FOR A SIDE DETECTION SYSTEM ( LANE DEPARTURE WARNING). GM MADE A POOR CAR THAT IS UNSAFE AND IS NOT PROPERLY ADDRESSING THE PROBLEM.

NHTSA ODI 11208132

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 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 8, 2019Electrical system

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

NHTSA ODI 11206344

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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 →