Chevrolet Silverado 3500; GMC Sierra 3500 (2025-2026): Fuel system, gasoline
Recall 26V129000 · Mar 5, 2026 · General Motors, LLC
11,807
vehicles affected
11,807
vehicles affected
Facts
- Recall number
- 26V129000
- Date
- Mar 5, 2026
- Maker
- General Motors, LLC
- Units affected
- 11,807
- Kind
- Vehicles
- Component
- Fuel system, gasoline > Delivery > Fuel pump > Control/drive module
- Model years
- 2025-2026
- Started by
- The maker
- Hazard
- Crash risk
What is wrong
General Motors, LLC (GM) is recalling certain 2025-2026 Chevrolet Silverado 3500, and GMC Sierra 3500 vehicles with gasoline engines and dual fuel tanks (RPOs L8T and N2N). The rear fuel pump may not transfer adequate fuel to the front tank, causing an engine stall.
What can happen
An engine stall increases the risk of a crash.
The fix
Recall repairs are free of charge.
The vehicle's engine control module (ECM) will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262544420.
Vehicles covered
2 models, 4 model years in all
| Make | Model | Model years |
|---|---|---|
| Chevrolet | Silverado 3500 | 2025-2026 |
| GMC | Sierra 3500 | 2025-2026 |
Related pages
Questions and answers
Which vehicles are in recall 26V129000?
2 models: Chevrolet Silverado 3500 (2025-2026), GMC Sierra 3500 (2025-2026), about 11,807 vehicles in all.
What is the fix for recall 26V129000?
The vehicle's engine control module (ECM) will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is.
What can happen?
An engine stall increases the risk of a crash.
A recall means the maker found a safety problem and offers a free fix; it does not mean every unit has the problem. Units affected are as reported by the company. Popular models sell more and so have more recalls and complaints. Official public data; texts are shortened. A dealer can tell whether a single vehicle still needs the repair.