Complaints about the 2021 Chevrolet Silverado 4500 peaked in 2023, with 2 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Truck, diesel, 4WD/4-Wheel Drive/4x4, built in United States. Owner complaints on file from May 2, 2023 to May 30, 2023.
Owner complaints about this model year, by the year they were filed with NHTSA.
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 25V-390 | Jun 12, 2025 | Brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause a short circuitPark outside | Brakes | 62,468 | Part replacement |
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
2 complaints on file, page 1 of 1.
The contact owns a 2021 Chevrolet Silverado 4500HD. The contact received notification of NHTSA Campaign Number: (TBD); Manufacturer Recall Campaign Number: N222375270 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was not made aware of the issue. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
NHTSA complaint 11524533The contact owns a 2021 Chevrolet Silverado 4500HD. The contact received notification of Manufacturer Recall Number: N222375270 (Service Brakes, Hydraulic), NHTSA Campaign Number: (TBD) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
NHTSA complaint 11520061Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.