2021 Chevrolet 4500HD recalls

2 safety recalls, 1 owner complaint. Official NHTSA data.

2021
2Recalls
1Complaints
1Crashes & fires reported
N/ANHTSA overall rating

Not every 2021 Chevrolet 4500HD is affected by every recall. Check your VIN to see open recalls on your exact vehicle.

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2021 Chevrolet 4500HD recall list

Service Brakes, Hydraulic recall

Park outside23V-266
April 13, 2023 · General Motors, LLC
Problem
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.

Equipment recall

22V-874
November 23, 2022 · General Motors, LLC
Problem
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.

2021 Chevrolet 4500HD owner complaints

1 complaint filed with NHTSA, including 0 crashes, 1 fire, 0 injuries and 0 deaths.

Problems by component

Engine1

Recent complaints

May 2, 2023EngineFire

The contact owned a 2021 Chevrolet Silverado 4500HD. The contact stated while the vehicle was parked, the contact noticed that the front end of the vehicle under the hood was in flames. The fire department was able to extinguish the fire. No police report was filed. No one was injured. The vehicle was towed to the salvage lot. The vehicle was not diagnosed. The manufacturer was not contacted. The failure mileage was 37,632.

2021 Chevrolet 4500HD recall FAQ

Does the 2021 Chevrolet 4500HD have any recalls?

Yes. NHTSA lists 2 safety recalls for the 2021 Chevrolet 4500HD. The most recent, filed April 13, 2023, concerns the service brakes, hydraulic.

What are the most common 2021 Chevrolet 4500HD problems?

Owners have filed 1 complaint with NHTSA. The most reported area is engine (1 reports).

Is the 2021 Chevrolet 4500HD safe?

NHTSA has not published an overall crash test rating for the 2021 Chevrolet 4500HD.

How do I get a recall fixed on my 2021 Chevrolet 4500HD?

Contact any authorized Chevrolet dealer. Recall repairs are free, even if you are not the original owner or the warranty has expired.