2021 Chevrolet 4500Hd Recalls

2 NHTSA safety recall campaigns were found for the 2021 Chevrolet 4500Hd.

NHTSA Recall 23V266000

Component: SERVICE BRAKES, HYDRAULIC

Recall date: 2023-04-13

Defect Summary

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.

Safety 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 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.

NHTSA Recall 22V874000

Component: EQUIPMENT

Recall date: 2022-11-23

Defect Summary

General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet 4500HD/5500HD/6500HD vehicles. The hex flange lock nuts used in the suspension and steering joints, were improperly heat treated and may break.

Safety Risk

Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.

Remedy

Dealers will replace the hex flange lock nuts as necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed December 27, 2022. Owner notification letters were mailed February 10, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222391080.

Important Recall Information

Recall applicability can depend on VIN and production details. Confirm your specific vehicle with the manufacturer or the official NHTSA VIN recall lookup.