2021 Chevrolet Silverado 4500

Defect. General Motors (GM) is recalling certain 2019-2024 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause a 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.

Remedy. Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch wire harness, free of charge. Owner notification letters were mailed September 11, 2025. Owners may contact GM customer assistance number at 1-866-467-9700. GM's number for this recall is N242482680. Vehicles in this recall that were previously repaired under 23V266 will need to have the new remedy completed.

The contact owns a 2021 Chevrolet Silverado 4500HD. The contact received notification of NHTSA Campaign Number: (TBD); Manufacturer Recall Campaign Number: N222375270 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was not made aware of the issue. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

The contact owns a 2021 Chevrolet Silverado 4500HD. The contact received notification of Manufacturer Recall Number: N222375270 (Service Brakes, Hydraulic), NHTSA Campaign Number: (TBD) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.