General Motors – Brake Pressure Switch May Short and Cause Fire

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.


Report Received Date 04/13/2023
NHTSA ID 23V266000
Consequence Summary An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Corrective Action 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.
Recall Code N222375270
Potentially Affected 40428
Fire Risk When Parked Yes
Do Not Drive No
Recall Link Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=23V266000)

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