2018 GMC Yukon XL Fuel system Problems
- Complaints
- 3about this part
- Share
- 5%of 56 total for the year
- Median mileage
- 5,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2018 GMC Yukon XL, 5% of the 56 complaints for this model year. Where a mileage was given, the median is 5,000 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.
“When I let go of the brake the vehicle accelerates on its own. It's a scary feeling, I feel like don't have control of the vehicle. Another problem that I have is that I can not put my vehicle in gear right away when I turn on the engine. Another problem that I have is rattling sound and vibration on the gas pedal when I accelerate.”
NHTSA complaint #11398614, filed 2021-03, 5,000 miles“I was driving and the Engine light started blinking. the car started to lose power. i had to pull off the road. the blinking stopped and then i was able to get home. I had it towed to the dealership, where they told me this was a known issue with the AFM valve train system. this is a known issue and I was not made aware of it and continued to drive my car with my children inside of it. had i known, i could have had it assessed for the potential issue. But now, IT IS TOO LATE! I am now being told i need to pay $17,000 to replace my engine. …”
NHTSA complaint #11772719, filed 2026-10“2018 Yukon XL: Safety of family put at risk over faulty transmission. Vehicle used to transport children many times daily. Transmission began slipping with slight lagging. Vehicle assessed by independent service center and we as customers told this is a common issue with GMC vehicles of this year. Service center was able to reproduce and confirm the issue. Total to rebuild entire transmission was $7,377.33. Total transmission failure. Entire transmission had to be replaced at tremendous expense to our family. Transmission began slipping with slight lagging. …”
NHTSA complaint #11643967, filed 2025-02Related 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.
- 10249994Jan 24, 2024This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 3% |
| 2025 | 2 | 7% |
| 2024 | 10 | 13% |
| 2023 | 21 | 9% |
| 2022 | 15 | 9% |
| 2021 | 34 | 15% |
| 2020 | 3 | 6% |
| 2018 | 3 | 5% |
| 2017 | 5 | 3% |
| 2016 | 5 | 2% |
| 2015 | 7 | 2% |
| 2009 | 2 | 9% |
| 2007 | 1 | 1% |
| 2006 | 2 | 12% |
| 2005 | 4 | 10% |
| 2004 | 4 | 5% |
| 2003 | 6 | 6% |
| 2002 | 10 | 11% |
| 2001 | 12 | 10% |
| 2000 | 11 | 16% |
Other parts of the 2018 GMC Yukon XL
16 complaintsOther or unknown
12 complaintsBrakes
10 complaintsTransmission and drivetrain
9 complaintsElectrical system
5 complaintsSeat belts
5 complaintsSuspension
4 complaintsSteering
3 complaintsAir bags
2 complaintsSeats
2 complaintsVehicle speed control
2 complaintsEngine cooling
1 complaints
← All problems reported for the 2018 GMC Yukon 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