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NHTSA Recall 23V266000

Filed by General Motors, LLC. Component: Service Brakes, Hydraulic. Reported 2023-04-13. An estimated 40,428 vehicles are affected. Recall repairs are free at any authorized dealer.

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.

Risk

An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

What the manufacturer will do

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.

Manufacturer campaign number: 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.

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Vehicles covered by this recall