2021 Chevrolet Silverado 4500: Recalls, Problems & MPG
Here are the deets on the 2021 Chevrolet Silverado 4500: 1 recall, 2 owner complaints.
Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Brakes (hydraulic) Vehicle recall #25V390000 · 2025 · 62,468 vehicles
What's wrong: The brake pressure sensor assembly May leak brake fluid into the brake pressure switch and cause a short circuit.
Why it matters: 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 brake pressure switch wire harness, free of charge. Owner notification letters were mailed September 11, 2025.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Brakes (hydraulic) (2): no single recurring theme in the descriptions.
The 2021 Chevrolet Silverado 4500 has 2 owner complaints, ranking #1 of 6 Silverado 4500 model years for complaints (3.0× the average Silverado 4500 year). Neighboring years: 2020 (1 complaints, 2 recalls), 2022 (0 complaints, 1 recalls).
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2021 Chevrolet Silverado 4500.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 2021 Chevrolet Silverado 4500 have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 2021 Chevrolet Silverado 4500. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2021 Chevrolet Silverado 4500 problems?
Owners have filed 2 complaints with NHTSA. The most-reported areas are brakes (hydraulic) (2).
Where can I get a 2021 Chevrolet Silverado 4500 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.