NHTSA vehicle safety data
2021 Chevrolet 4500hd
The 2021 Chevrolet 4500hd has 2 NHTSA recalls and 1 owner complaint on record — every open recall is repaired free at an authorized Chevrolet dealer.
Complete safety data for the 2021 Chevrolet 4500hd. Data pulled live from api.nhtsa.gov.
SERVICE BRAKES, HYDRAULIC
NHTSA #23V266000Reported April 13, 2023 · General Motors, LLC
Defect description
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 consequence
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Free manufacturer 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.
Notes
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
NHTSA #22V874000Reported November 23, 2022 · General Motors, LLC
Defect description
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 consequence
Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.
Free manufacturer 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.
Notes
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.