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2 open safety recalls recorded with NHTSA. A recall repair is free at a franchised dealer, whatever the age of the vehicle.

  1. SERVICE BRAKES, HYDRAULIC

    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.

    NHTSA advises parking this vehicle outside and away from buildings until the repair is done.

    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 campaign 23V266000 · General Motors, LLC · Reported 13/04/2023

  2. EQUIPMENT

    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.

    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.

    NHTSA campaign 22V874000 · General Motors, LLC · Reported 23/11/2022

Is your 2021 Chevrolet 4500HD affected?

A recall applies to a range of vehicles, not to every one built that year. Check your VIN to see which of these are open on yours.

Source: NHTSA public recall database.

Recalls are issued every week. Most owners hear late.

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Recall information comes from the National Highway Traffic Safety Administration, last updated 2023-04-13. DriveDocket is not affiliated with NHTSA, Chevrolet, or any vehicle manufacturer. Confirm any recall with a franchised dealer before relying on it.

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2021 Chevrolet 4500HD recalls — DriveDocket