2015 GMC Yukon Denali Engine Problems
- Complaints
- 4about this part
- Share
- 5%of 73 total for the year
- Median mileage
- 62,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2015 GMC Yukon Denali, 5% of the 73 complaints for this model year. Where a mileage was given, the median is 62,000 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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. …”
NHTSA complaint #11023490, filed 2017-09, 55,000 miles“Ac condenser 2015 Yukon Denali broken for months, told repeatedly from prime dealership that no condensers available, there is a 40+ person wait for new condensers within a 10 mile radius. It's a full time job to get someone to help us. We bought this car 1 year ago and can't even drive it in this hot weather! Sits in our driveway until the temp gets to below 80.”
NHTSA complaint #11001404, filed 2017-06“The contact owns a 2015 GMC Yukon Denali. The contact stated while driving at approximately 20 MPH, the vehicle started decelerating with a slight clunking sound coming from underneath the front passenger’s side of the vehicle. The vehicle then lost motive power. The contact coasted to the side of the road and turned off the vehicle. After waiting for a while, the vehicle was started and the contact became aware that the instrument panel and all other electrical systems were activated as expected; however, the engine failed to start. …”
NHTSA complaint #11612810, filed 2024-09, 150,150 milesRelated service bulletins
- 11026017Jun 5, 2025This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- 11024485May 15, 2025The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 11020254May 7, 2025This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in…
- 11017263Mar 25, 2025This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to…
- 11016942Mar 4, 2025This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to…
- 11014230Jan 31, 2025This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11014233Jan 30, 2025This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11013070Jan 8, 2025This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause…
- 11011900Nov 22, 2024This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2017 | 2 | 17% |
| 2016 | 1 | 6% |
| 2015 | 4 | 5% |
| 2013 | 1 | 3% |
| 2012 | 2 | 7% |
| 2011 | 1 | 1% |
| 2010 | 6 | 11% |
| 2007 | 11 | 9% |
| 2006 | 4 | 19% |
| 2005 | 2 | 4% |
| 2004 | 6 | 6% |
| 2003 | 8 | 11% |
Other parts of the 2015 GMC Yukon Denali
39 complaintsElectrical system
11 complaintsOther or unknown
9 complaintsTransmission and drivetrain
8 complaintsBrakes
5 complaintsSteering
4 complaintsSuspension
4 complaintsEngine cooling
1 complaintsFuel system
1 complaintsBody and structure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaintsWheels
1 complaints
← All problems reported for the 2015 GMC Yukon Denali
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology