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General Motors. LLC (GM) is recalling certain 2019-2023 Chevrolet 4500HD, 5500HD, and 6500HD Medium-Duty trucks. For this Chevy HD truck recall, the brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause an electrical short-circuit.

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

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. Interim letters notifying owners of the safety risk are expected to be mailed May 29, 2023. Second letters will be mailed once the remedy is available. Owners may contact Chevrolet customer service at 1-800-222-1020. GM’s number for this recall is N222375270.

We previously reported on some diesel Chevy HD trucks being recalled for engine heating wiring that could cause a fire risk. For a complete list of recalls involving the 2019-2023 Chevy HD trucks, go to the recalls section of the NHTSA website and search for your VIN number or the make, model and year of your vehicle.

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.

NHTSA Campaign Number: 23V266000
Manufacturer General Motors, LLC
Potential Number of Units Affected 40,428

Editor’s note: This information was copied directly from the NHTSA website. If you have questions or concerns about this GM recall, please contact General Motors directly.


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