Recall 23V266000: 2019–2023 Chevrolet 4500HD, 2019–2023 Chevrolet 5500HD, 2019–2023 Chevrolet 6500HD

Updated Oct 11, 2026 from NHTSA data · How we count

Park outside: NHTSA and the manufacturer advise owners to park these vehicles outside and away from structures until the remedy is completed.

Report date: Apr 13, 2023
Vehicles affected: 40,428
Models: 3
Initiated by: Manufacturer

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.

Affected vehicles

2019 Chevrolet 4500HD
2020 Chevrolet 4500HD
2021 Chevrolet 4500HD
2022 Chevrolet 4500HD
2023 Chevrolet 4500HD
2019 Chevrolet 5500HD
2020 Chevrolet 5500HD
2021 Chevrolet 5500HD
2022 Chevrolet 5500HD
2023 Chevrolet 5500HD
2019 Chevrolet 6500HD
2020 Chevrolet 6500HD
2021 Chevrolet 6500HD
2022 Chevrolet 6500HD
2023 Chevrolet 6500HD

Details

NHTSA campaign: 23V266000
Manufacturer campaign: N222375270
Manufacturer: General Motors, LLC
Owner letters: Jul 11, 2023
Components: Service brakes, hydraulic (Brakes)

Recall repairs are free at authorized dealers. To see if your vehicle is included, enter your VIN at NHTSA.gov or call the manufacturer.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology