2015 GMC Yukon Denali XL Fuel system Problems
- Complaints
- 2about this part
- Share
- 3%of 65 total for the year
- Median mileage
- 97,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the fuel system of the 2015 GMC Yukon Denali XL, 3% of the 65 complaints for this model year. Where a mileage was given, the median is 97,000 miles.
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.
“The contact owns a 2015 GMC Yukon Denali XL. The contact stated that while driving at an undisclosed speed, gasoline would leak out of the fuel tank. The vehicle was taken to the dealer; however, the vehicle was not diagnosed nor repaired. The manufacturer was made aware of the failure. The contact related the failure to TSB Number: 14858 (High-Pressure Fuel Pump). The failure mileage was approximately 126,000.”
NHTSA complaint #11449781, filed 2022-02, 126,000 miles“The contact owns a 2015 Gmc Yukon Denali Xl. The contact stated that the vehicle emitted an abnormal fuel odor. Upon inspection, the contact observed a puddle of fuel on the ground. The contact also noticed that the fuel tank and fuel line did not have enough space in between them, which caused a hole to develop in the fuel line. The dealer and manufacturer were not notified of the failure. The failure mileage was 68,000. **tr consumer stated fuel was leaking from pressure line to engine above fuel tank. …”
NHTSA complaint #11124564, filed 2018-09, 68,000 milesRelated service bulletins
- 11017173Mar 21, 2025This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- 11007095Aug 7, 2024This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles…
- 11006377Jul 23, 2024This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
- 11004727Jun 29, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 10250505Feb 7, 2024This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
- 10241417Aug 1, 2023This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
Fuel system: other model years
Other parts of the 2015 GMC Yukon Denali XL
36 complaintsElectrical system
16 complaintsTransmission and drivetrain
9 complaintsOther or unknown
7 complaintsSuspension
5 complaintsEngine
4 complaintsSteering
3 complaintsVehicle speed control
3 complaintsBrakes
2 complaintsBody and structure
2 complaintsWheels
2 complaintsElectronic stability control
1 complaints
← All problems reported for the 2015 GMC Yukon Denali XL
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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