Recall 23V-266: 2019–2023 Chevrolet 4500HD, 2019–2023 Chevrolet 5500HD and 1 more
General Motors, LLC recall for service brakes, hydraulic, reported to NHTSA on Apr 13, 2023, covering about 40,428 vehicles.
The problem
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.
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 fix
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.
Recall details
| Manufacturer | General Motors, LLC |
|---|---|
| Component | Service Brakes, Hydraulic |
| Recall started by | the manufacturer |
| NHTSA campaign number | 23V266000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Chevrolet 4500HD | 2019, 2020, 2021, 2022, 2023 | All years |
| Chevrolet 5500HD | 2019, 2020, 2021, 2022, 2023 | All years |
| Chevrolet 6500HD | 2019, 2020, 2021, 2022, 2023 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 23V-266?
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.
How is recall 23V-266 fixed?
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.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.