2021 Chevrolet 4500HD recalls and problems

The 2021 Chevrolet 4500HD has 2 recalls and 1 owner complaint on file with NHTSA; the most reported problem area is engine.

Park outside warning. Owners are advised to park outside and away from buildings until the repair is done, because of a fire risk. Campaign: 23V266000.

How the 2021 compares

Too few model years with complaints to compare.

2recalls

1complaints

0crashes

1fires

0injuries

37,632median miles

Owner complaints filed with NHTSA, not verified and not adjusted for sales. Ranking compares this model's own years only.

Does your car have an open recall?
Recalls apply to specific vehicles. Only a VIN lookup on NHTSA's official site shows whether yours is affected and still unrepaired.

Check your VIN →

2 recalls

Service Brakes

Apr 13, 2023 · NHTSA campaign 23V266000 · 40,428 vehicles

Park outside

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.

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 & notes

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.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Equipment

Nov 23, 2022 · NHTSA campaign 22V874000 · 5,861 vehicles

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.

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

Remedy & notes

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.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Recall text as published by NHTSA and the manufacturer.

What owners complain about

Engine1

Owner complaints filed with NHTSA; one complaint can name several areas. Not verified by NHTSA.

2021 vs. other Chevrolet 4500HD years

Owner complaints by model year; the darker bar is the 2021. Click a bar to switch year.

Questions

Does the 2021 Chevrolet 4500HD have recalls?

Yes — NHTSA lists 2 recall campaigns covering the 2021 Chevrolet 4500HD, the latest from Apr 13, 2023 (service brakes). A recall applies to specific vehicles: enter your VIN at nhtsa.gov/recalls to see whether yours is affected and still open.

What are the most common problems with the 2021 Chevrolet 4500HD?

Owner complaints filed with NHTSA most often mention engine (1). Complaints are consumer reports and are not verified by NHTSA.

Is it safe to drive the 2021 Chevrolet 4500HD?

1 recall advises parking outside because of a fire risk. Only vehicles with the recall open are affected — check your VIN at nhtsa.gov/recalls.