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)

158 of 977 complaints match · Brakes · clear filters · page 3 of 7

Sep 7, 2020Brakes

THERE WAS A RECALL FOR LOW BREAK FAILURE IT WAS RECALL 19V645. I HAD THIS DONE LAST YEAR AND TODAY I ALMOST HIT A CAR IN THE DRIVE THROUGH SIDE THE BRAKES ARE STILL DOING THE SAME THING GOING TO THE FLOOR. THEY NEED TO REPLACE THE FAULTY VACUUM PUMP. I EXPERIENCE THIS WHILE BACKING OUT AND STOPPING AT SLOW SPEEDS.

NHTSA ODI 11353476

Aug 29, 2020SteeringBrakesEngine

THIS HAS HAPPENED SEVERAL TIME IN THE CITY CROSSING AN INTERSECTION USUALLY AT SLOW SPEED BRAKING AND TURNING AND ALL THE SUDDEN I LOSE EVERYTHING. NO STEERING ELECTRICAL AND BRAKING. THE PARK ASSIST WILL SOMETIMES START GOING OFF LIKE CRAZY JUST BEFORE IT HAPPENS, BUT NOT ALL THE TIME. PUT IN PARK AND OPEN THE DOOR IT COMES BACK ON. THEN SAYS ROLL DOWN DRIVERS SIDE WINDOW AND THEN BACK UP. AT ON TIME I DID HAVE IT HAPPEN ON THE HIGHWAY. I WAS GETTING READY TO PASS AND GIVING IT GAS AND EVERYTHING SHUT DOWN FOR A SPLIT SECOND AND THEN TOOK OFF AGAIN. THIS PROBLEM IS GOING TO GET SOMEONE KILLED.

NHTSA ODI 11351977

Jul 10, 2020Electrical systemLightsBrakes

MAJOR SAFETY ISSUES WITH THIS VEHICLE. ANOTHER 2015 YUKON WITH NO TAIL OR STOP LIGHTS. I'M OVER MILLAGE ON SPECIAL RECALL. THERE SHOULD BE NO TIME/MILLAGE ISSUE ON THIS. SEAT BELTS LOCK UP. BRAKES ARE EITHER GOOD OR MUSSY WHENEVER THEY WANT TO BE. HARD TO STOP THE VEHICLE. ALSO WHEN I FIRST PURCHASED THE VEHICLE IT WOULD COMPLETELY DIE (NO LIGHTS MOTOR DIED, NO POWER STEERING, NO AIR BAGS, NO RADIO NOTHING AT ALL ON THE X-WAY AT 70 MPH) AND THE DEALER COULD NOT REPAIR IT! RUST ON FRAME RAILS. (AND MORE).

NHTSA ODI 11338588

Jun 30, 2020Electrical systemLightsBrakes

MY PASSENGER SIDE TAIL LIGHT ASSEMBLY NEED TO BE REPLACED AS THE BRAKE LIGHTS ARE NOT WORKING. THIS HAS BECOME A COMMON PROBLEM AS EVIDENCED BY THE NUMBER OF COMPLAINTS FILED ON YOUR SITE FOR THE SAME ISSUE. LACK OF PROPERLY FUNCTIONING TAIL LIGHTS IS A MAJOR SAFETY CONCERN AND A RECALL SHOULD BE ISSUED. *TR

NHTSA ODI 11331792

Jun 26, 2020LightsBrakes

I BOUGHT MY GMC YUKON IN MARCH OF 2019 ABOUT A WEEK LATER I HAD PEOPLE INFORM ME MY BRAKE LIGHTS WERE NOT WORKING. I WOULD CHECK AT NIGHT AND THEY WOULD. A FEW MONTHS LATER I NOTICED IT MYSELF, THEY WOULD WORK ONE MINUTE BUT NOT THE NEXT. DECEMBER OF 2019 I GET A LETTER FROM GMC STATING THEY KNOW 2015 MODEL GMC YUKON VEHICLES MAY HAVE A CONDITION WHERE THE BRAKE LIGHTS INTERMITTENTLY DO NOT ILLUMINATE. I COULD HAVE IT DONE IF MY SUV WAS NOT OVER 72K MILES BUT IT WAS WHEN I BOUGHT IT. SO THAT DOESN'T HELP ME AND THEY WANT $2K TO FIX IT. I CALLED TO SEE WHAT THEY COULD DO AND THEY TOLD ME THIS WASN'T A SAFETY ISSUE. IF THEY DO WORK AND SOMEONE DOESN'T SEE I AM BRAKING, MY KIDS OR FAMILY ARE IN THE BACK SEAT, HOW IS THAT NOT SAFETY RELATED? THEY NEED TO MAKE THIS A RECALL! *TR

NHTSA ODI 11331040

Jun 5, 2020LightsBrakes

TL* THE CONTACT OWNS A 2015 GMC YUKON XL. THE CONTACT STATED THAT WHILE DEPRESSING THE BRAKE PEDAL THE REAR BRAKE TAILLIGHTS FAILED TO ILLUMINATE. THE VEHICLE WAS TAKEN TO KEWEENAW BUICK GMC LOCATED AT 608 QUINCY ST, HANCOCK, MI 49930, TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE REAR BRAKE LIGHTS WERE DEFECTIVE AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE, BUT PROVIDED NO ASSISTANCE. THE FAILURE MILEAGE WAS 102,000.

NHTSA ODI 11327424

May 30, 2020LightsBrakes

THE TAIL LIGHTS STOP WORKING OR THEY FLICKER LIKE THERE'S A LOOSE CONNECTION OR SOMETHING NOT MAKING CONTACT I E SEEN OTHER COMPLAINTS ABOUT THE SAME THING AND GM NOW HAS A NEW IMPROVED TAIL LIGHT BUT THE OLD ONES ALL FAIL ALL STOP WORKING . ON THE BRAKING SYSTEM IT DOESN'T BRAKE WHEN GOING A LOW SPEED WITHOUT GIVING IT GAS I HAVE TO PUMP N PUSH THE BRAKES ALL THE WAY DOWN OR GIVE IT A LIL GAS TO BE ABLE TO STOP OR BRAKE THE LIGHTS FLICKER OR STOP WORKING WHILE DRIVING STOP ALL THE TIME THE DEALER WANTS 1500-2000 TO REPLACE EM THE LIGHTS.. THEY ARE DEFECTIVE AND SHOULD BE RECALLED THEIR BAD WORKMANSHIP SHOULDN'T BE MINE OUR ANYBODY ELSE THAT HAS THIS VEHICLE BURDEN THIS IS NOT A CHEAP VEHICLE I PAID OVER $50,000 USED FOR ABOUT A YEAR.. I NEED YOUR HELP. THE BRAKES NEED TO BE FIXED ALSO BECAUSE AT LOW SPEEDS WITH NO GAS ON THE PEDAL I CAN ROLL INTO SOMETHING HIT SOMETHING OR SOMEONE. *TR

NHTSA ODI 11326578

May 28, 2020Brakes

BOTH LED BRAKE LIGHTS STOPPED WORKING. THEY WERE BOTH REPLACED BY THE DEALERSHIP. NOW APPROXIMATELY 7 MONTHS LATER THE PASSENGER BRAKE LIGHT HAS STOPPED WORKING AGAIN. THIS IS A VERY EXPENSIVE PART, WHICH COST $700.00 EACH SIDE, AND HAS FAILED TWICE IN YEAR. FROM A SIMPLE SEARCH ON THE INTERNET THIS SEEMS TO BE A VERY COMMON PROBLEM FOR GMC YUKON'S AND DENALI'S BUT THERE IS NOT A RECALL FOR THIS FAILURE. THE PROBLEM SEEMS TO BE A FAULTY DESIGN. THE SOLDER CONNECTION PREMATURELY BREAKS AND CAUSES THE LED BRAKE LIGHTS TO NOT WORK. *TR

NHTSA ODI 11326422

May 27, 2020LightsBrakes

THE BRAKE LIGHT IS NOT WORKING. ALL OTHER FUNCTIONS IN THE ASSEMBLY ARE FINE. REVERSE AND TURN SIGNAL, NO BRAKE INDICATION. IT DOES NOT ACTIVATE A WARNING ON THE DASH FOR THE BRAKE LIGHT FAILURE. THIS HAPPENS 24/7... THIS SHOULD NOT OCCUR WITH AN ITEM PRICED AT OVER $700.00 TO REPLACE. *TR

NHTSA ODI 11326255

May 26, 2020Electrical systemBrakesEngine

I PURCHASED BY VEHICLE IN THE SUMMER OF 2015. IT HAS BEEN IN THE SHOP NUMEROUS TIMES FOR VARIOUS ISSUES, MOSTLY ELECTRICAL INVOLVING THE COMPUTER AND SOFTWARE, OR ISSUES INVOLVING MY TIRES OR STEERING WHEN TURNING THE STEERING WHEEL.. MY "DRIVER ASSIST" HAS MALFUNCTIONED MANY TIMES AND I HAVE TAKEN IT TO THE SHOP TO HAVE IT REPAIRED ON 3 SEPARATE OCCASIONS. LAST SUMMER MY FRONT AND REAR LIGHTS STARTED FLICKERING AND STOPPED WORKING. I SPENT $800 FOR THE BACK PASSENGER BRAKE LIGHT AND ALMOST $1000 FOR THE FRONT DRIVER HEAD LIGHT ASSEMBLY. I ALSO HAD TO GET A NEW BATTERY FOR THIS VEHICLE. MY 2015 GMC YUKON XL IS NOW MALFUNCTIONING AGAIN AND THIS TIME, I AM TOLD THAT THE SEAT MOTOR (THAT ALERTS YOU WHEN YOU ARE NEAR AN OBSTACLE HAS BURNED OUT.) ABOUT 4 DAYS AGO, I BECAME AWARE OF TICKING NOISE WHILE MY CAR HAS BEEN IDLE. I IMMEDIATELY SCHEDULED A MAINTENANCE APPOINTMENT. TODAY, I AM ALSO INFORMED THAT MY "LIFTERS" ARE BAD ON THE VEHICLE AND MY ENGINE IS GOING BAD. I AM TOLD THE AIR CONDITIONING CONDENSER HAS BURNED OUT, I AM TOLD THE MOTOR UNDER MY SEAT IS BURNED OUT. I HAVE PERFORMED ROUTINE MAINTENANCE, I GET OIL CHANGES REGULARLY AND USE HIGH QUALITY SYNTHETIC OILS. I TAKE MY CAR TO THE SHOP AT LEAST 2X PER YEAR FOR PROBLEMS AND SOME MAJOR REPAIR IS ALWAYS REQUIRED. THIS IS A CAR THAT I AM GOING INTO THE 5TH YEAR OF OWNERSHIP THIS SUMMER. ORIGINALLY. I WAS TOLD THAT THERE WAS A RECALL FOR BRAKES, NOW I AM TOLD THERE IS NOT, BUT I HAVE TAKEN MY CAR IN FOR VARIOUS RECALLS AT LEAST 3X. THIS IS AN UNSAFE, DEFECTIVE VEHICLE. EVERY SYSTEM FAILS. I AM NOW IN SEARCH OF A NEW VEHICLE. I HAVE DRIVEN OTHER GM VEHICLES (GRAND AM, HUMMER) AND NONE HAVE REQUIRED SO MUCH REPAIR COSTS. TODAY I AM TOLD THAT IT WILL COST $6800 TO REPAIR MY VEHICLE TO MAKE IT SAFE. MY REPAIR RECORDS WILL SHOW THE REPAIRS AND SERVICE CHARGES I HAVE PAID SINCE PURCHASE. THIS IS A LEMON. *TR

NHTSA ODI 11326023

Apr 24, 2020Brakes

TL* THE CONTACT OWNS A 2015 GMC YUKON XL. THE CONTACT STATED WHILE DRIVING 45 MPH, THE BRAKE PEDAL WAS DEPRESSED AND WENT TO THE FLOORBOARD. THE CONTACT STATED THAT THERE WAS A VIBRATION IN THE BRAKE PEDAL. THERE WAS NO WARNING LIGHT ILLUMINATED. THE CONTACT STATED THAT THE FAILURE WAS INTERMITTENT. ADDITIONALLY, WHILE DRIVING AT AN UNDISCLOSED SPEED, THE FRONT DRIVER'S SIDE BRAKE PAD DISENGAGED. THE CONTACT INSPECTED THE BRAKE RESERVOIR BOTTLE AND NOTICED THERE WAS NO BRAKE FLUID IN THE RESERVOIR. THE VEHICLE WAS TAKEN TO MAGGIO BUICK GMC (310 NEW ROADS ST, NEW ROADS, LA 70760), TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE FRONT BRAKE PADS AND BALL JOINTS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 73,000.

NHTSA ODI 11322196

Apr 9, 2020Electrical systemBrakes

TL* THE CONTACT OWNS A 2015 GMC YUKON. THE CONTACT STATED THAT THE BRAKE LIGHT FAILED TO ILLUMINATE WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT RECEIVED A CUSTOMER SATISFACTION PROGRAM REGARDING THE BRAKE LIGHT. THE CONTACT WAS INFORMED THAT THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBERS: 18V586000 (STEERING) AND 19V645000 (SERVICE BRAKES, HYDRAULIC). STANLEY WOOD CHEVROLET BUICK GMC (1674 BATESVILLE BLVD, BATESVILLE, AR 72501, (870) 390-4093) WAS CONTACTED AND AN APPOINTMENT WAS SCHEDULED TO HAVE THE VEHICLE REPAIRED UNDER THE RECALLS. THE CONTACT WAS ALSO INFORMED THAT THE MILEAGE WAS EXCEEDED UNDER THE CUSTOMER SATISFACTION PROGRAM. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 113,000.

NHTSA ODI 11320645

Mar 4, 2020Transmission & drivetrainElectrical systemBrakes

TL* THE CONTACT OWNS A 2015 GMC YUKON. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V761000 (SERVICE BRAKES, HYDRAULIC, SERVICE BRAKES, ELECTRONIC STABILITY CONTROL). THE VEHICLE WAS TAKEN TO THE KELLER MOTORS LOCATED AT (700 CADILLAC LN, HANFORD, CA 93230) WHERE THE COMPUTER WAS REPROGRAMMED. THE CONTACT STATED THAT AFTER THE REPROGRAMMING, THE BRAKE LIGHTS STARTED TO WORK INTERMITTENTLY. THE VEHICLE ALSO STALLED WITH SEVERAL WARNING LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL. THE CONTACT STATED THAT THE SEATBELT UNBUCKLED AND OPEN OR CLOSE DRIVER'S WINDOW WARNING LIGHTS WERE ILLUMINATED. THE CONTACT WAS INFORMED BY THE DEALER THAT THE REPROGRAMMING WAS NOT THE CAUSE OF THE FAILURES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURES. THE FAILURE MILEAGE WAS APPROXIMATELY 61,000.

NHTSA ODI 11316102

Feb 29, 2020Brakes

UPON PRESSING THE BRAKES WHILE PARKING, PEDAL STARTED VIBRATING AND BRAKE PEDAL BECAME IMPOSSIBLE TO PRESS. PEDAL CONTINUES TO REMAIN HARD TO PRESS FOR BRAKING.

NHTSA ODI 11312272

Feb 12, 2020Electrical systemLightsBrakes

TAIL LAMPS WOULD INTERMITTENTLY OPERATE. AT TIMES NONE WOULD WORK AT OTHERS SOME WOULD WORK. AND OTHERS ALL WOULD WORK. GMC FINALLY ADDRESSES THIS WITH: N182180270 (SPECIAL COVERAGE). GMC WAS AWARE OF THIS ISSUE ON OR PRIOR TO NOVEMBER 26, 2019. THEY STATED NOTIFICATIONS TO CUSTOMERS WOULD BEGIN ON DECEMBER 12, 2019. I WAS NOTIFIED TODAY 2-12-2020 WELL AFTER GMC WAS AWARE OF ISSUES. GMC ALLOWS FOR WARRANTY OF 6 YEARS AFTER PLACED IN SERVICE OR 72,000 MILES. SINCE MY VEHICLE HAD 902 MILES AT TIME OF PURCHASE MY WARRANTY EXPIRED AT 72,902 MILES. HAD GMC MADE ME AWARE IN DECEMBER OR TOO AFTER KNOWING IN LATE NOV 2019 I WOULD STILL HAVE BEEN UNDER WARRANTY FOR A RESOLUTION TO FIX ISSUES. THERE WILLFUL NEGLIGENCE IN FAILING TO NOTIFY ME HINDERED THEIR AVAILABLE WARRANTY UNDER SPECIAL COVERAGE OF NO USE TO ME TO MY DETRIMENT OF SEVERAL HUNDRED DOLLARS (~$1800 USD).

NHTSA ODI 11308836

Feb 6, 2020LightsBrakes

THE BRAKE AND TAIL LIGHTS ON THIS GMC YUKON ONLY RANDOMLY LIGHT UP. HAVE BEEN TOLD RANDOM TIMES BY OTHER MOTORIST THAT BRAKE OR TAIL LIGHTS ARE NOT WORKING ON HIGHWAY. I'VE CONTACTED GM MULTIPLE TIMES ON PHONE AND AT DEALER AND THEY WANT ME TO PAY OUT OF POCKET TO FIX THIS SAFETY ISSUE. THEY FINALLY SENT A LETTER OUT TODAY NOTING THERE AWARE OF THIS PROBLEM BUT STILL WANT FIX MINE BECAUSE IT'S OVER 72K ON YUKON. SAFETY HAS NO MILEAGE LIMIT AND GM NEEDS TO FIX THESE PROBLEMS. GOOGLE THIS ISSUE AND YOU WILL SEE THE INTERNET IS FULL OF COMPLAINTS ABOUT GM LED BRAKE AND TAIL LIGHTS GOING BAD. THANKS FOR ANY HELP WITH THIS MATTER.

NHTSA ODI 11307502

Jan 31, 2020Transmission & drivetrainBrakes

2015 GMC YUKON. CONSUMER WRITES SEEKING REIMBURSEMENT FOR VEHICLE REPAIRS RELATED TO SAFETY RECALL. *LD *JS

NHTSA ODI 11302013

Dec 4, 2019Electronic Stability Control (esc)Brakes

TL* THE CONTACT OWNS A 2015 GMC YUKON. WHILE DRIVING AT AN UNKNOWN SPEED, THE ABS AND BRAKE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO BUICK GMC OF KIRKLAND (12335 120TH AVE NE, KIRKLAND, WA 98034, (877) 505-6211) WHERE IT WAS DIAGNOSED THAT THE FRONT DRIVER AND PASSENGER SIDE WHEEL SPEED SENSORS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 19V761000 (ELECTRONIC STABILITY CONTROL, SERVICE BRAKES, HYDRAULIC, SERVICE BRAKES). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 39,000. *DT*JB

NHTSA ODI 11286905

Nov 15, 2019LightsBrakes

TAIL LAMPS, TAIL LAMPS TAIL LAMPS! NON SERVICEABLE LED ILLUMINATION BULB CIRCUIT IS FAULTY LEADING TO INTERMITTENT OPERATION. HAVING PART TIME BRAKE LIGHT IS AGAINST THE LAW AND MORE IMPORTANT TO ME, LEAVES MY FAMILY IN AN UNSAFE SITUATION. WEB SEARCH LEADS TO MANY MOTORIST HAVING THE SAME PROBLEM AS I. AS A PAYING TAXPAYER WE SHOULD NOT BE SOLD FAULTY GOODS THAT MAY HAVE DIRE CONSEQUENCES.

NHTSA ODI 11280316

Nov 10, 2019Brakes

MY VEHICLE HAS SUFFERED FROM POOR SLOW SPEED BRAKING SINCE IT WAS NEW. I WAS TOLD THIS IS JUST A CHARACTERISTIC OF THE VEHICLE. WHEN I POINTED OUT THIS PROBLEM AGAIN, I WAS TOLD THAT GM RECOMMENDS REPLACING THE VACUUM PUMP, BUT SINCE I WAS OUT OF WARRANTY, I WOULD HAVE TO PAY OUT OF POCKET. AFTER NUMEROUS ACCIDENTS AND COMPLAINTS TO THE NHTSA, GM ISSUE A RECALL. THE RECALL DID NOT CALL FOR REPLACING THE VACUUM PUMP AS GM HAD PREVIOUSLY REQUESTED, AND INSTEAD DID A SOFTWARE UPDATE. I JUST HAD THIS RECALL PERFORMED, AND THE BRAKES ARE NOW WORSE THAN EVER BEFORE. TODAY, I WAS PULLING INTO A CARWASH, AND WHEN I HIT THE BRAKES, THEY WERE HARD AS A ROCK AND WOULD NOT STOP MY VEHICLE. I ALMOST HIT THE VEHICLE IN FRONT OF ME. I HAD TO WARN THE PERSON AT THE CARWASH TO BE CAREFUL THAT THE BRAKES WERE NOT WORKING PROPERLY. AFTER HE MOVED MY VEHICLE, HE SAID THAT HE NEW WHAT I WAS TALKING ABOUT. THIS SITUATION CAN BE VERY DANGEROUS. IT MAY CAUSE YOU TO STRIKE THE VEHICLE IN FRONT OF YOU. IF THERE IS A PERSON BETWEEN YOU AND THE VEHICLE IN FRONT OF YOU, SUCH AS A CARWASH, THEY MAY BE CRUSHED BETWEEN THE TWO VEHICLES. THIS PROBLEM OCCURS ONLY AT LOW SPEED SUCH AS PARKING LOTS OR IN STOP AND GO TRAFFIC. THIS PROBLEM HAS BEEN OCCURING SINCE THE VEHICLE WAS NEW. IT IS NOW WORSE AFTER HAVING THE RECALL PERFORMED TO CORRECT THIS PROBLEM. THE MOST RECENT OCCURENCE WAS TODAY.

NHTSA ODI 11279275

Nov 10, 2019Transmission & drivetrainBrakesEngine

ANYTIME THE VEHICLE IS RUNNING THE FUMES FROM THE EXHAUST MAKE ME AND MY KIDS FEEL NAUSEOUS AND GIVING HEADACHES JUST FROM WALKING TO/AROUND THE TRUCK TO GET IN. WE ARE TAKING THIS TRUCK TO THE DEALER ON MONDAY. BEING THE 3RD DEALER WE HAVE TAKEN IT TO IN THE PAST YEAR. HAVE HAD MANY OTHER ISSUES OUT OF THIS VEHICLE AND JUST CANT SEEM TO GET THEM ALL FIXED. FOR SUCH A PRICEY VEHICLE YOU WOULDNT THINK THERE WOULD BE THIS MANY PROBLEMS. THE LIFT GATE IS POPPING NOT WANTING TO OPEN OR SHUTS ON YOU AS YOU WALK UNDER IT. THE WINDOW APPLIQUES ARE JUST SLOWLY FLYING OFF 1 BY 1. TRANSMISSION IS HARD SHIFTING IN LOW GEARS, DURING ACCELERATION AND DECELERATION. WE HAVE A HORRIBLE GRINDING/SQUEAKING NOISE IN THE FRONT THAT YOU CAN FEEL IN THE FLOOR BOARDS. THE BRAKES, WE HAD A MODULE REPLACED, BUT IT STILL FEELS AS IF WHEN PUSHING THE PEDAL IT LOOSES PRESSURE, CAUSING NEAR ACCIDENTS. THIS IS INSANE!!!!!! BOOUGHT THIS TRUCK JUST OVER A YEAR AGO AND HAVE HAD NOTHING BUT PROBLEMS. WASTE OF TIME AND MONEY!

NHTSA ODI 11279279

Oct 21, 2019Brakes

I WAS NEVER NOTIFIED OF A RECALL ON THE VACUUM PUMP THAT CONTROLS THE BRAKES. MY BRAKES WENT OUT WHILE DRIVING WITHOUT WARNING. BROUGHT IT TO THE DEALERSHIP, AND OF COURSE THEY ONLY COVERED THE RECALIBRATION OF THE VACUUM PUMP BUT NOT THE VACUUM PUMP ITSELF. ABSOLUTELY RIDICULOUS AND VERY EXPENSIVE REPAIR THAT I FEEL GMC SHOULD BE RESPONSIBLE FOR IN FULL.

NHTSA ODI 11269967

Oct 3, 2019Brakes

WHEN TRAVELING AT LOW SPEEDS, LESS THAN 5 MPH, THE BRAKE PEDAL WILL BECOME HARD TO PUSH AND CAR WILL NOT COME TO A COMPLETE STOP, BUT WILL ROLL TO A STOP. THIS CAN HAPPEN TRYING TO PULL INTO A TIGHT SPOT OR WHILE IN A DRIVE-THRU OR IN STOP AND GO TRAFFIC OR SIMPLY YOUR OWN GARAGE OR BACKING OUT OF A DRIVEWAY OR FOUR WAY STOP, THE LIST CAN GO ON AND ON. IT HAPPENS ON A DAILY BASIS. I TOOK TO THE CERTIFIED DEALER TO HAVE THE RECALL PERFORMED BUT APPARENTLY THE RECALL WILL NOT WORK ON MY VEHICLE AS THE VACUUM PUMP NEEDS TO BE REPLACED. WHEN IT FIRST HAPPENED WAS OCT 2018 AND HAD ABOUT 80K MILES ON IT. IT CONTINUES TO HAPPEN AND NEEDS TO BE FIXED. IT IS A 2015 YUKON AND SHOULD NOT BE HAVING THIS TYPE OF PROBLEM. IT IS RIDICULOUS THAT GMC IS AWARE OF THE PROBLEM BUT WANTS TO NOT RECALL FOR THE PART TO BE REPLACED BUT HAVE ANYONE HAVING THE PROBLEM COME IN AND SEE IF THE SOFTWARE UPDATE WILL TAKE CARE OF THE PROBLEM. THEN AT THAT TIME LETS CHARGE THE CUSTOMER WELL OVER $600 TO HAVE THE PUMP REPLACED INSTEAD OF MAKING IT RIGHT BY THE CUSTOMERS. I WILL BE TAKING MY CAR ELSE WHERE TO HAVE THE PART REPLACED FOR HALF THE COST TO ME. THIS HAS BEEN A WASTE OF TIME AND I COULD HAD TAKEN ELSE WHERE TO BEGIN WITH MONTHS AGO, IF I WOULD HAD KNOWN THE TYPE OF RECALL THAT GMC WOULD BE GIVING. WHEN YOU PAY MORE THAN $60K FOR A VEHICLE THESE TYPE OF PROBLEMS SHOULD NOT HAPPEN.

NHTSA ODI 11265883

Sep 19, 2019BrakesCrash

TL* THE CONTACT OWNS A 2015 GMC YUKON XL. WHILE DRIVING APPROXIMATELY 10-15 MPH, THE BRAKE PEDAL WAS DEPRESSED, BUT FAILED TO STOP THE VEHICLE. AS A RESULT, THE CONTACT'S VEHICLE CRASHED INTO THE REAR OF ANOTHER VEHICLE. A POLICE REPORT WAS FILED. THERE WERE NO INJURIES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. GEOFF PENSKE BUICK GMC (100 S MUSEUM RD, SHILLINGTON, PA 19607, (484) 525-0979) WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 19V645000 (SERVICE BRAKES, HYDRAULIC). THE MANUFACTURER WAS CONTACTED AND PROVIDED CASE NUMBERS: 9-5487572705 AND 9-5520075396. THE APPROXIMATE FAILURE MILEAGE WAS 57,000.

NHTSA ODI 11256619

Sep 17, 2019Brakes

WHEN DRIVING AT SLOW SPEEDS I LOSE BREAKING POWER. IT TAKES BOTH FEET PRESSING AS HARD AS I CAN TO GET THE CAR TO STOP. I HAVE NEARLY HIT TWO CARS WHILE PARKING AND SEVERAL IN TRAFFIC WHILE IN RUSH HOUR. IT FEELS AS THOUGH I LOSE VACUUM. IF I INCREASE THE RPM'S ON THE VEHICLE I REGAIN VACUUM. USUALLY HAPPENS WHEN PARKING.

NHTSA ODI 11256293

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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 →