2015 Gmc YUKON DENALI problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
73 owner complaints analyzed
0 distinct recall campaigns
58,000 mi median reported failure mileage
Scope: 2015 model year. Data snapshot: . 59 complaints include usable failure mileage.
Most common problems
Exterior Lighting is the most frequently named component, appearing in 38 of 73 complaints (52.1%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 27 | 37.0% |
| Transmission and shifting | 7 | 9.6% |
| Electrical and battery issues | 4 | 5.5% |
| Steering behavior | 4 | 5.5% |
| Fuel system concerns | 1 | 1.4% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Exterior Lighting | 38 |
| Electrical System | 11 |
| Unknown Or Other | 9 |
| Power Train | 8 |
| Service Brakes | 5 |
| Engine | 4 |
| Steering | 4 |
| Suspension | 4 |
Exterior Lighting: 38; Electrical System: 11; Unknown Or Other: 9; Power Train: 8; Service Brakes: 5; Engine: 4; Steering: 4; Suspension: 4
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 6 |
| 25,000 to 49,999 | 12 |
| 50,000 to 74,999 | 23 |
| 75,000 to 99,999 | 10 |
| 100,000 to 149,999 | 6 |
| 150,000 and above | 2 |
Under 25,000: 6; 25,000 to 49,999: 12; 50,000 to 74,999: 23; 75,000 to 99,999: 10; 100,000 to 149,999: 6; 150,000 and above: 2
50,000 to 74,999 miles has the most reports with usable mileage (23). 14 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2016 | 2 |
| 2017 | 12 |
| 2018 | 29 |
| 2019 | 22 |
| 2020 | 1 |
| 2022 | 3 |
| 2024 | 3 |
| 2025 | 1 |
2016: 2; 2017: 12; 2018: 29; 2019: 22; 2020: 1; 2022: 3; 2024: 3; 2025: 1
Pattern summary
Exterior Lighting leads the component reports. Braking behavior appears in 27 complaint narratives. Transmission and shifting appears in 7 complaint narratives. Electrical and battery issues appears in 4 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11023490 · 2017-09-14 (September 14, 2017)
I WAS RECENTLY IN AN ACCIDENT AT A STOPLIGHT. WHEN I ARRIVED AT THE STOPLIGHT SOMETHING FELL OUT OF PASSENGER SEAT ONTO FLOOR. I PUT THE TRUCK IN PARK, TOOK OFF MY SEATBELT, LEANED OVER TO PICK UP ITEM AND PUT IT BACK ON THE SEAT. I THEN PUT SEATBELT BACK ON AND PUT FOOT ON BRAKE AND PUT THE TRUCK INTO DRIVE. IT ALL HAPPENED PRETTY QUICKLY AND CAN'T SWEAR TO THE SPECIFICS BUT I THINK THE TRUCK MAY HAVE "JUMPED" A LITTLE WHEN I PUT THE TRUCK INTO DRIVE AND PROPELLED ME INTO THE CAR IN FRONT OF ME AT A VERY LOW SPEED. THE REASON WHY I BELIEV…
Owner-reported narrative. 55,000 miles reported. Look up ODI 11023490 at NHTSA ↗
Owner report 11097845 · 2018-05-24 (May 24, 2018)
TL* THE CONTACT OWNS A 2015 GMC YUKON DENALI. THE CONTACT STATED THAT THE BRAKE AND TAIL LIGHTS FAILED TO ILLUMINATE SPORADICALLY. THE VEHICLE WAS TAKEN TO WELD COUNTY GARAGE BUICK GMC (2699 47TH AVE, GREELEY, CO 80634, [phone removed]) WHERE IT WAS DIAGNOSED THAT THE BRAKE LIGHTS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 83,081.
Owner-reported narrative. 83,081 miles reported. Look up ODI 11097845 at NHTSA ↗
Owner report 10971782 · 2017-04-11 (April 11, 2017)
VEHICLE DRIVE TRAIN OPERATES ERRATICALLY IN VARIOUS OPERATING SITUATIONS AND HAS EXTENSIVE VIBRATIONS BETWEEN 25-40MPH; VIBRATIONS ARE WORSE IN CERTAIN GEARS. SIGNIFICANT LUNGEING AND JERKING OF SHIFTING GEARS ON ACCELERATION, PARTICULARLY WHEN NOT ACCELERATING INTENSELY. VEHICLE MAKES A CLUNK/KNOCK SOUND WHEN DECELERATING RAPEDLY. TAKEN IN FOR SERVICE 2X AT 2 DIFFERENT GMC DEALERS. TRANSMISSION HAS BEEN REPROGRAMMED 1X. NITHER DEALER PROVIDED GMC TECHNICAL SERVICE BULLETIN "#99-04-20-002I: INFORMATION ON DRIVE TRAIN CLUNK NOISE - (NOV 18, 2014…
Owner-reported narrative. Look up ODI 10971782 at NHTSA ↗
Owner report 11000313 · 2017-06-20 (June 20, 2017)
WHEN SHIFTING INTO GEAR FROM A CHILD START, THE VEHICLE TAKES APPROXIMATELY 3 SECONDS TO SHIFT. DURING THAT TIME THE VEHICLE IS NOT IN GEAR AND CAN ROLL IN ANY DIRECTION. THERE IS A SOFTWARE FIX FOR THIS THAT I MUST PAY THE DEALER TO INSTALL. THIS HAPPENS EVERY COLD START.
Owner-reported narrative. 56,000 miles reported. Look up ODI 11000313 at NHTSA ↗
Owner report 11099074 · 2018-05-31 (May 31, 2018)
TL* THE CONTACT OWNS A 2015 GMC YUKON DENALI. WHILE THE VEHICLE WAS STATIONARY, WATER ENTERED THE CABIN OF THE VEHICLE THROUGH THE HIGH FREQUENCY ANTENNA SEAL. IN ADDITION, THE CONTACT STATED THAT THE COMPUTER SYSTEM HAD AN ELECTRICAL MALFUNCTION AND THE VEHICLE'S BRAKES ENGAGED WITHOUT WARNING. DIXIE BUICK GMC IN FORT MYERS, FLORIDA WAS MADE AWARE OF THE FAILURE AND DIAGNOSED THAT THE HIGH FREQUENCY ANTENNA NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 76,000. THE VIN WAS NOT AVAIL…
Owner-reported narrative. 76,000 miles reported. Look up ODI 11099074 at NHTSA ↗
Owner report 11131820 · 2018-09-26 (September 26, 2018)
2015 GMC YUKON DENALI, BREAK LIGHT MALFUNCTION, DRIVING, PARKED WITH NO INDICATION WHEN IT WILL WORK OR NOT. DEALERSHIP AND GMC SERVICE CENTER CLAIMED THERE WERE NO OR VERY FEW COMPLAINTS HOWEVER I HAVE FOUND HUNDREDS ALREADY. THEY REFUSED TO EVEN LOOK AT THE LIGHT STATING I CAN GET IT REPLACED FOR AROUND $775 BECAUSE THEY CANNOT CHANGE BULBS ON THAT TYPE OF TAIL LIGHT. DEALERSHIP TOLD ME THAT THIS WAS NEW FEATURE STARTING WITH MY YEAR MODEL AND SINCE GMC WENT WITH ENCASED LED LIGHTS THEY NO LONGER CAN FIX THEM UNDER WARRANTY. THIS WAS NEVER DI…
Owner-reported narrative. 20,000 miles reported. Look up ODI 11131820 at NHTSA ↗
Owner report 11130057 · 2018-09-18 (September 18, 2018)
I GIVE!!! NOW BREAK LIGHTS NOT WORKING!!! RIGHT BREAK LIGHT IS OUT AND LEFT DRIVER IS INTERMITTENT. VEHICLE HAS 37K ON IT AND WAS JUST PICKED UP FROM THE DEALER AFTER HAVING 1 OF MANY ISSUES THROUGH THE PAST YEAR RECTIFIED AND NOW THIS! THIS IS A SIGNIFICANT SAFETY HAZARD AND COULD TREMENDOUSLY INJURE SOMEONE. RIGHT NOW MY CAR CANNOT EVEN PASS INSPECTION DUE TO THE FAULTY EQUIPMENT INSTALLED BY THE MANUFACTURE THAT IS A DANGER TO MY SAFETY. I HAVE OWNED MANY GMC'S (6 TOTAL) THROUGH THE YEARS AND THIS BEING THE WORST!! THE LATEST, I HAVE HAD…
Owner-reported narrative. Look up ODI 11130057 at NHTSA ↗
Owner report 11138813 · 2018-10-06 (October 6, 2018)
WAS DRIVING ABOUT 7-10 MPH IN A WAL MART PARKING LOT WHEN THE STEERING ON MY 2015 GMC YUKON DENALI COMPLETELY GAVE OUT WHICH CAUSED ME TO SCRAP A POLE ON THE BACK DOOR BEHIND DRIVER. FINALLY WHEN VEHICLE CAME TO A COMPLETE STOP THE STEERING WHEEL WOULD FREELY SPIN AND NOT IN GAUGE THE TIRES TO ROTATE. HAD THE VEHICLE TOWED TO THE NEAREST GMC DEAR SHIP TO HAVE THEM ASSES THE PROBLEM AND TOLD THEM THIS HAS TO BE FROM THE ROOT CAUSE OF A RECALL THAT A SENSOR WILL LOSE TEMP CONNECTION WITH STEERING AND MAY CAUSE AN ACCIDENT. WHICH DID AS WELL AS I…
Owner-reported narrative. 55,000 miles reported. Look up ODI 11138813 at NHTSA ↗
Owner report 11476364 · 2022-07-28 (July 28, 2022)
The contact owns a 2015 GMC Yukon Denali. The contact stated that the fuel tank was leaking fuel. The contact had not taken the vehicle to a certified mechanic or dealer to be diagnosed or repaired. The manufacturer was not made of the failure. The approximate failure mileage was 130,000.
Owner-reported narrative. 130,000 miles reported. Look up ODI 11476364 at NHTSA ↗