2020 GMC Sierra 1500 Fuel System Problems
Owners filed 26 Fuel System complaints for the 2020 GMC Sierra 1500, about 5% of its 477 total complaints. A related recall (campaign 19V837000) covers a fuel pump missing a pressure component on this model year, but the pattern described most often in complaints involves a separate fuel pump control module.
- Fuel System complaints
- 26
- 5% of 477 complaints
- All complaints this year
- 477
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- —
- Related recalls
- 1
Typical fuel system symptoms owners report
- The truck stalls or shuts off while driving, cranks but will not restart, then sometimes starts again after sitting for a while.
- Diagnostic scans point to a fuel pump control module failure, with owners noting the code linked to loss of engine power.
- Several owners report the failure repeats over multiple separate incidents on highways and interstates before being diagnosed.
- Some owners note the vehicle shudders and vibrates at 35 mph and above, with hesitation when accelerating.
- One owner reported a strong gasoline smell inside the cabin and found a large fuel spot under the parked truck the next day.
- Owners mention that replacement fuel pump control module parts were sometimes on backorder at dealerships.
When 2020 GMC Sierra 1500 fuel system complaints were filed
First complaint Sep 24, 2022, latest Sep 19, 2026.
Fuel System recalls for the 2020 GMC Sierra 1500
- NHTSA 19V837000Nov 21, 2019Fuel System502 vehicles
Fuel system, gasoline:delivery:fuel pump
General Motors LLC (GM) is recalling certain 2020 Cadillac Escalade, Escalade ESV, Chevrolet Camaro, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The fuel pump may be missing a pressure regulator, allowing for over-pressurization of the fuel system.
Risk: Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire in the presence of an ignition source.
Remedy: GM will notify owners, and dealers will replace the fuel pump, free of charge. The recall began December 18, 2019. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-888-988-7267. GM's number for this recall is N192283991.
Fuel System complaints by Sierra 1500 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many fuel system complaints does the 2020 GMC Sierra 1500 have?
- NHTSA lists 26 Fuel System complaints for the 2020 Sierra 1500, which is about 5% of the 477 total complaints filed for that model year.
- Is there a fuel system recall for the 2020 GMC Sierra 1500?
- Yes. Recall campaign 19V837000 covers the fuel system on the 2020 Sierra 1500 and related GM models, addressing a fuel pump missing a pressure component; GM dealers replace the fuel pump free of charge.
- What is the most common fuel system complaint on this truck?
- Owners most often describe the vehicle stalling or failing to restart while driving, frequently tied to a fuel pump control module failure.
- Did the fuel system problems cause any crashes or fires?
- NHTSA data shows 1 crash and 0 fires linked to Fuel System complaints on the 2020 Sierra 1500.
- Does the recall cover the fuel pump control module issue owners describe?
- The listed recall, 19V837000, addresses a fuel pump missing a pressure component; some owners in the complaints specifically ask whether a separate fuel pump control module problem is also covered, but the recall summary given does not mention that module.