2026 GMC Sierra 2500 Fuel system Problems
- Complaints
- 1about this part
- Share
- 7%of 14 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the fuel system of the 2026 GMC Sierra 2500, 7% of the 14 complaints for this model year.
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 recently purchased my vehicle from Big Star Dealership in Baytown Tx. At a little over 1000 miles i was towing a camper. The vehicle stalled, fuel pouring from engine. It was towed and repaired due to fuel pump failure. At a little over 3000 miles the vehicle would not start. Dealership initially said water contamination then changed it and said gasoline contamination and now they say DEF contamination. The vehicle stalling the first time almost caused me to wreck the vehicle”
NHTSA complaint #11737988, filed 2026-05Related service bulletins
- 11024873Nov 4, 2025Service Update. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine…
- 11017173Mar 21, 2025This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 7% |
| 2025 | 1 | 4% |
| 2024 | 9 | 8% |
| 2022 | 4 | 9% |
| 2021 | 2 | 4% |
| 2020 | 2 | 3% |
| 2019 | 6 | 19% |
| 2018 | 6 | 17% |
| 2017 | 3 | 8% |
| 2016 | 12 | 20% |
| 2015 | 12 | 13% |
| 2014 | 3 | 10% |
| 2013 | 9 | 20% |
| 2012 | 5 | 16% |
| 2011 | 3 | 5% |
| 2009 | 2 | 6% |
| 2008 | 4 | 6% |
| 2007 | 3 | 4% |
| 2006 | 2 | 3% |
| 2005 | 3 | 3% |
| 2004 | 8 | 6% |
| 2003 | 15 | 9% |
| 2002 | 12 | 9% |
| 2001 | 12 | 9% |
| 2000 | 2 | 4% |
| 1999 | 2 | 6% |
| 1998 | 2 | 13% |
| 1997 | 1 | 7% |
Other parts of the 2026 GMC Sierra 2500
5 complaintsSteering
4 complaintsBrakes
2 complaintsTires
2 complaintsEngine
1 complaintsForward collision avoidance
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2026 GMC Sierra 2500
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