Most common 2020 Chevrolet Silverado 4500 problems
Share of the 1 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Chevrolet Silverado 4500 complaints by model year
2020 Chevrolet Silverado 4500 recalls (2)
Service brakes, hydraulic › Power assist
General Motors, LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles. These vehicles were remedied under NHTSA Recall 25V390 with a brake jumper wire harness that was assembled without protective tape.
Remedy: Dealers will remove the installed wire harness, apply protective tape, and reinstall the wire harness, free of charge. Owner notification letters are planned to be mailed December 22, 2025.
Service brakes, hydraulic › Brake fluid low warning › Switch/sensor/float
General Motors (GM) is recalling certain 2019-2024 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause a short circuit.
Remedy: 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.
Frequently asked questions
Is the 2020 Chevrolet Silverado 4500 a good car?
That is a low number of complaints for a car on sale this long. So far owners have filed 1 complaint with NHTSA.
What is the most common problem with the 2020 Chevrolet Silverado 4500?
The brakes — 1 complaint, 100% of all complaints for this model year. Next are the engine & cooling (1) and transmission & drivetrain (1).
How many recalls does the 2020 Chevrolet Silverado 4500 have?
There are 2 recalls for the 2020 Chevrolet Silverado 4500, the most recent from November 6, 2025 (power assist). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.