The defect
General Motors (GM) is recalling certain 2019-2024 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause a short circuit.
The risk
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
The remedy
Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch wire harness, free of charge. Owner notification letters were mailed September 11, 2025. Owners may contact GM customer assistance number at 1-866-467-9700. GM's number for this recall is N242482680. Vehicles in this recall that were previously repaired under 23V266 will need to have the new remedy completed.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet 6500 | 2019 |
| Chevrolet Silverado 4500 | 2019, 2020, 2021, 2022, 2023, 2024 |
| Chevrolet Silverado 5500 | 2019, 2020, 2021, 2023, 2024 |
| Chevrolet Silverado 6500 | 2019, 2021, 2022, 2023, 2024 |
Components: SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Chevrolet 6500 | 2019 | 1 | 2 |
| Chevrolet Silverado 4500 | 2019 | 0 | 3 |
| Chevrolet Silverado 4500 | 2020 | 1 | 2 |
| Chevrolet Silverado 4500 | 2021 | 2 | 1 |
| Chevrolet Silverado 4500 | 2022 | 0 | 1 |
| Chevrolet Silverado 4500 | 2023 | 1 | 1 |
| Chevrolet Silverado 4500 | 2024 | 0 | 2 |
| Chevrolet Silverado 5500 | 2019 | 3 | 3 |
| Chevrolet Silverado 5500 | 2020 | 0 | 2 |
| Chevrolet Silverado 5500 | 2021 | 0 | 1 |
| Chevrolet Silverado 5500 | 2023 | 3 | 1 |
| Chevrolet Silverado 5500 | 2024 | 1 | 2 |
| Chevrolet Silverado 6500 | 2019 | 0 | 4 |
| Chevrolet Silverado 6500 | 2021 | 2 | 1 |
| Chevrolet Silverado 6500 | 2022 | 0 | 1 |
| Chevrolet Silverado 6500 | 2023 | 0 | 1 |
| Chevrolet Silverado 6500 | 2024 | 1 | 1 |
Other service brakes, hydraulic recalls in 2025
37 of the 891 recall campaigns reported to NHTSA in 2025 concerned the service brakes, hydraulic; General Motors, LLC filed 186 campaigns in all.
| 25V873000 17 Dec 2025 | Suzuki Motor USA, LLC |
| 25V859000 11 Dec 2025 | Honda (American Honda Motor Co.) |
| 25V846000 9 Dec 2025 | Chrysler (FCA US, LLC) |
| 25V823000 1 Dec 2025 | Ford Motor Company |
| 25V768000 6 Nov 2025 | General Motors, LLC |
| 25V693000 10 Oct 2025 | Ford Motor Company |
| 25V564000 29 Aug 2025 | Tuff Trailer USA Inc. |
| 25V550000 26 Aug 2025 | Forest River, Inc. |
NHTSA recalls (public domain) · all recalls of 2025