Chevrolet 4500hd

Chevrolet 4500hd recalls

2 recall campaigns, model years 2021 to 2021. Each lists the fault, the risk, and the fix you are owed.

2Campaigns
2021–2021Years affected
0Do-not-drive
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Your VIN is on the dashboard by the windscreen. It is on your insurance card too. Put it into nhtsa.gov/recalls. You get the open recalls for your exact car. The repair is free. Most recalls never expire.

What keeps failing

SystemCampaigns
Equipment1
Service Brakes, Hydraulic1

Every campaign

The text below is quoted from NHTSA word for word.

Equipment

22V874000  ·  reported 23/11/2022

The fault
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.
What it can cause
Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.
The fix
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.

Service Brakes, Hydraulic

23V266000  ·  reported 13/04/2023

The fault
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.
What it can cause
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
The fix
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.

Source: NHTSA recalls API, retrieved 4 August 2026.

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