60 of the
684 complaints filed about the GMC Yukon Denali XL
are about the lighting —
9% of everything owners reported.
The worst model year for it is 2015.
The contact owns a 2017 GMC Yukon Denali XL. The contact stated that while driving at an undisclosed speed, the contact was alerted by other drivers that the taillights were inoperable. The vehicle was taken to the dealer and diagnosed as a power train failure. The driver’s and passenger’s side taillights were replaced. The manufacturer was made aware of the failure and opened a case. The contact was referred to NHTSA to file a complaint. The failure mileage was approximately 131,000.
NHTSA complaint #11434195 — an unverified report by a vehicle owner.
The contact owns a 2015 GMC Yukon Denali XL. The contact stated that the passenger’s side taillight failed to illuminate intermittently while depressing the brake pedal. Over time, the driver’s side taillight also would fail to illuminate with the brake pedal depressed. The contact then received a warranty notice from the local dealer about the failure however, the contact was informed when speaking to the dealer that due to the mileage on her vehicle, the vehicle no longer qualified under the warranty program. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 40,000.
NHTSA complaint #11426853 — an unverified report by a vehicle owner.
PEOPLE KEPT TELLING ME ONE OF MY TAIL LIGHT WAS OUT BUT EVERY TIME I'D GET HOME MY TAIL LIGHT WAS ON! THIS KEPT GOING ON FOR A FEW WEEKS UNTIL THIS TIME I CHECKED AND IT WAS OFF. I WENT TO HAVE MY OIL CHANGED AND MENTIONED THE ISSUE. THEY DIDN'T SEE A PROBLEM BECAUSE OF COURSE IT WAS BACK ON. ABOUT A MONTH LATER, THE SAME CYCLE STARTED. MY FRIEND NOTICED THAT WHEN I WENT OVER A BUMP IT WOULD FLICK BACK ON. WE TOOK IT TO THE LOCAL GMC DEALERSHIP THAT INFORMED ME IT WAS A COMMON ISSUE IN THESE VEHICLES AND THE COST TO REPLACE WAS ABOUT $1,000. ACCORDING TO THE DEALERSHIP THE ONLY OPTION WAS TO REPLACE AND NOT FIX. I DECIDED TO LOOK UP AN ALTERNATIVE AND FOUND OUT MANY OTHERS WERE EXPERIENCING THE SAME ISSUES WITH YUKONS RANGING 2-3 YEARS AS MY VEHICLE. AFTER HAVING IT REPAIRED FOR A FRACTION OF THE COST OUTSIDE OF THE DEALERSHIP A MONTH AGO IT'S BACK TO NOT WORKING AGAIN! FRUSTRATING PART IS THAT THIS IS HAPPENING TO SO MANY OTHERS... ON YOUTUBE ALONE THERE ARE SO MANY VIDEOS SHOWING HOW TO REPAIR ON OWN BECAUSE IT'S VERY COSTLY. RECENTLY, I WAS DRIVING AND NOTICED THE PERSON IN FRONT OF ME HAD THE SAME VEHICLE AND THEIR LIGHT WAS OUT AS WELL. I GUESS I'M GOING TO HAVE TO REPLACE IT.
NHTSA complaint #11231221 — an unverified report by a vehicle owner.
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 complaint #11222648 — an unverified report by a vehicle owner.
TAILLIGHTS, BRAKELIGHTS WORK INCONSISTENTLY. NOTHING IS WRONG WITH THE BULBS. IT IS THE ASSEMBLY AND DESIGN. IT WILL COST ABOUT 1200-2000 DOLLARS. VEHICLE BARELY HAS 32000 MILES ON IT. THIS CAN LEAD TO AN ACCIDENT.
NHTSA complaint #11220844 — an unverified report by a vehicle owner.
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 complaint #11218774 — an unverified report by a vehicle owner.
WE HAVE HAD BOTH OUR TAILLIGHTS FAIL. THE BLINKERS STILL FUNCTION BUT BECAUSE THEY ARE LED THEY SAY THEY MUST REPLACE THE WHOLE UNIT. EACH SIDE COST $672. THAT IS OUTRAGEOUS FOR A TAILLIGHT. THERE NEEDS TO BE A WAY TO REPLACE EACH PIECE.
NHTSA complaint #11216937 — an unverified report by a vehicle owner.
VEHICLE HAS UNDER 45,000 MILES AND BOTH HEADLIGHTS NEED TO BE REPLACED DUE TO MALFUNCTIONING LED'S FROM WATER INTRUSION. THIS HAPPENS AFTER WASHING MY CAR AND NOW IT WILL NOT PASS STATE INSPECTION DUE TO DRIVER SIDE DAYTIME LED NOT TURNING ON, AND PASSENGER SIDE DRL NOT TURNING OFF. I CAN NOT GET THIS FIXED BECAUSE THE PASSENGER SIDE LIGHT IS ON BACKORDER, YET MY LOCAL DEALER SAID THIS ISN'T A KNOWN PROBLEM. TAKE A LOOK ON THE INTERNET AND IT'S CLEARLY A MANUFACTURING ISSUE (HENCE BACKORDERED HEADLIGHTS)
NHTSA complaint #11210566 — an unverified report by a vehicle owner.
BOTH REAR LIGHT ASSEMBLIES HAVE HAD ISSUES. DRIVERS SIDE WAS FIRST, BRAKE LIGHT STOPPED WORKING. REPLACED UNDER WARRANTY. PASSENGER SIDE BRAKE LIGHT AND PARKING LIGHT HAVE NOW STOPPED WORKING, JUST OUT OF WARRANTY. PROBLEM COMES AND GOES DEPENDING ON TEMPERATURE. I WOULD THINK THIS WOULD BE CONSIDERED A SAFETY ISSUE AND BE THE SUBJECT OF A RECALL SINCE IT IS WIDE SPREAD.
NHTSA complaint #11209404 — an unverified report by a vehicle owner.
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 complaint #11206599 — an unverified report by a vehicle owner.
HAD THIS VEHICLE FOR NINETEEN MONTHS, 50,000 MILES, BROUGHT NEW, RIGHT BRAKE WORKS INTERMITTENTLY OR NOT AT ALL. THESE LIGHTS ARE COMPLETELY SEALED AND LIGHTS ARE NOT REPLACEABLE, EXCEPT REVERSE BULB. GONE OVER 30,000 MILES SO WARRANTEE NOT COVERED. DEALERSHIP WANTS RIDICULOUS PRICE FOR REPLACEMENT. WHY WOULD YOU DO THIS? LIGHTS NEED TO BE CHANGED SOONER OR LATER? ISN'T IT EASIER TO CHANGE A BULB RATHER THEN AN ENTIRE EXPENSIVE UNIT?
NHTSA complaint #11196408 — an unverified report by a vehicle owner.
MY VEHICLE HAS ONLY 47,000 MILES AND MY PASSENGER SIDE BRAKE LIGHT IS OUT. THERE IS ALSO WATER AND MOISTURE THAT BUILDS UP IN BOTH TAILLIGHTS. I WAS TOLD IT WOULD BE $800 EACH TO REPLACE AND WAS NO LONGER UNDER WARRANTY. I AM THE ORIGINAL OWNER AND PURCHASED THE VEHICLE NEW. THE VEHICLE HAS NEVER BEEN IN ANY ACCIDENTS. THIS IS A SERIOUS ISSUE AND NEEDS TO BE COVERED BY THE MANUFACTURER. THE LED LIGHTS SHOULD NOT GO OUT THIS QUICKLY.
NHTSA complaint #11195302 — an unverified report by a vehicle owner.
APPROXIMATELY 51,000 MILES ON VEHICLE: REAR PASSENGER TAIL LIGHT IS INOP. WE WERE ON A TRIP WHEN WE NOTICED, IF YOU TAP THE SIDE OF IT THE LIGHT WOULD COME ON FOR JUST A SECOND. LED STRIP FOR BRAKE LIGHT IS DEFECTIVE. REPLACEMENT COST IS ABOUT $800 DOLLARS. LOTS OF COMPLAINTS AND ONLINE FORUMS REGARDING THIS ISSUE. GMC REALLY NEED TO RESOLVE THIS ISSSUE. THESE RIGS COST WAY TO MUCH FOR THAT POOR QUALITY!
NHTSA complaint #11192777 — an unverified report by a vehicle owner.
THERE IS A FLAW IN THE LED STRIP OF THE REAR TAIL LIGHTS. THE LED STRIP BREAKS OVER TIME DISABLING THE TAIL LIGHTS. THE TAIL LIGHT ASSEMBLY IS SEALED AND MUST EITHER BE REPLACED OR BROKEN INTO SO A JUMPER CAN BE SOLDERED ACROSS THE BREAK TO REPAIR THE TAIL LIGHT.
NHTSA complaint #11192167 — an unverified report by a vehicle owner.