NHTSA Recall 23V266000: Service brakes, hydraulic
Park outside General Motors, LLC reported this safety recall to NHTSA on , covering an estimated 40,428 vehicles. It affects 3 models including the Chevrolet 4500HD.
| NHTSA campaign | 23V266000 |
|---|---|
| Manufacturer campaign | N222375270 |
| Component | SERVICE BRAKES, HYDRAULIC |
| Report received | April 13, 2023 |
| Owner notification | July 11, 2023 |
| Initiated by | Manufacturer |
Defect
General Motors. LLC (GM) is recalling certain 2019-2023 Chevrolet 4500HD, 5500HD, and 6500HD Medium-Duty trucks. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause an electrical short-circuit.
Safety risk
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Remedy
Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the master cylinder pressure sensor and inspect the wire harness, replacing it, if necessary, free of charge. Owner notification letters were mailed July 11, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222375270.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Vehicles covered by recall 23V266000
| Make and model | Model years |
|---|---|
| Chevrolet 4500HD | 2019, 2020, 2021, 2022, 2023 |
| Chevrolet 5500HD | 2019, 2020, 2021, 2022, 2023 |
| Chevrolet 6500HD | 2019, 2020, 2021, 2022, 2023 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.