Problems owners report
Complaints filed with NHTSA about the 2015 GMC Yukon Denali, by the system named in each complaint. One complaint can name several.
- Exterior lighting39
- Electrical system11
- Unknown or other9
- Power train8
- Service brakes5
- Steering4
- Suspension4
- Engine4
- Engine and engine cooling1
- Fuel system, gasoline1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 1 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Crash-test ratings
NHTSA 5-star results for 2 variants; 0 of 2 rated variants score five stars overall. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2015 GMC Yukon Denali SUV 4WD | ★★★★☆ | 22.2 % |
| 2015 GMC Yukon Denali SUV RWD | ★★★★☆ | 22.9 % |
- Electronic stability control
- Standard
- Forward collision warning
- Optional
- Lane departure warning
- Optional
- Best overall rating
- 4 / 5
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 2 variants: combined 13.8–14.0 L/100 km (about 17 mpg US), CO₂ 317–322 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Yukon Denali 4WD · Sport utility vehicle: Standard · Premium gasoline | 15.9 | 11.1 | 13.8 |
| Yukon Denali 4WD · Sport utility vehicle: Standard · Premium gasoline | 16.2 | 11.4 | 14.0 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
No recall campaigns cover the 2015 GMC Yukon Denali.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What GMC told its dealers about the 2015 GMC Yukon Denali: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11011989 | This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid. |
| 11011900 | This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue. |
| 11011805 | This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when repairing wiring harnesses. |
| 11011709 | This 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. |
| 11011205 | This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules. |
| 11011119 | This Preliminary information communicates to dealers GM is working on a solution for outdated Apps |
| 11010576 | This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. |
| 11010566 | This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). |
| 11010545 | This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S). |
| 11010495 | This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S. Only). |
| 11010491 | This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. |
| 11010490 | This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 11010488 | This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. |
| 11010421 | This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. |
| 11009764 | This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. |
| 11009756 | This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management. |
| 11009532 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| 11009531 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| 11009088 | This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. |
| 11009039 | This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). |
| 11009037 | This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. |
| 11008966 | This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive. |
| 11008956 | This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only). |
| 11008906 | This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. |
| 11008898 | The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect. |
NHTSA manufacturer communications (public domain)
NHTSA investigations
PE18012 · Service brakesopened 20 Nov 2018 · closed 10 Apr 2022
Brake Vacuum Pump Failure
NHTSA Office of Defects Investigation