What gets recalled
2019 Chevrolet Silverado 6500 recalls (4)
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.
Engine and engine cooling › Engine › Engine control module (ECU/ECM) › Software
General Motors, LLC (GM) is recalling certain 2019-2020 Chevrolet 6500HD vehicles. The engine control module (ECM) was calibrated incorrectly, allowing the vehicle to exceed the tires' maximum speed rating of 75 mph.
Remedy: Dealers will update the ECM software, free of charge. Owner notification letters were mailed June 7, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202325530.
Engine
General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 4500, 5500 and 6500 vehicles and 2017-2019 Chevrolet Silverado 2500 and 3500 vehicles and GMC Sierra 2500 and 3500 vehicles equipped with Duramax 6.6 liter diesel engines and an optional engine-block heater.
Remedy: GM will contact owners, dealers will replace the engine block heater, free of charge. Additionally, in Chevrolet Silverado 2500 and 3500 vehicles, dealers will install a new rerouted heater cord.
Frequently asked questions
How many recalls does the Chevrolet Silverado 6500 have?
NHTSA lists 4 recalls for the Chevrolet Silverado 6500 across 1 model years, 1 of them with a do-not-drive or park-outside warning.
How do I know if my Chevrolet Silverado 6500 has an open recall?
Enter your 17-character VIN in our VIN decoder & recall check or on nhtsa.gov/recalls. Dealers fix recalls for free, even if you are not the original owner.
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.