23V266000NHTSA advisory: park outside
SERVICE BRAKES, HYDRAULIC
Apr 13, 2023
40,428 units potentially affected
The 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.
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 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.