Chevrolet Silverado 6500 Recalls & Complaints by Model Year
NHTSA lists 5 safety recalls and 3 owner complaints across 7 model years of the Chevrolet Silverado 6500 (2019–2025). The most-complained-about year is 2021.
Pick your Chevrolet Silverado 6500 model year
What Chevrolet Silverado 6500 owners complain about
Across all model years, owners have filed 3 complaints with NHTSA. The 2021 model year has the most, with 2.
All Chevrolet Silverado 6500 recalls (5)
Every NHTSA safety campaign that lists a Chevrolet Silverado 6500, most recent first, with the model years each one covers.
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Power assist (service brakes)
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. A wiring harness that is missing protective tape can allow the wires to become…
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. Owners may contact GM…
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Switch/sensor/float (service brakes) Park outside
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. Owner notification letters were mailed…
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Software (air bags)
General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado Medium Duty 4500HD, 5500HD, 6500HD vehicles. The air bag sensing and diagnostic module (SDM) may not have been activated during installation.
Remedy: A Navistar technician will activate the air bag module, free of charge. Owner notification letters were mailed November 1, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this…
Model years: 2025
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Software (engine and engine cooling)
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.
Model years: 2019
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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. The engine block heater cord or the terminals that connect…
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. The recall began…
Model years: 2019
Other Chevrolet models
- Malibu19,364 complaints
- Silverado 150018,029 complaints
- Impala10,434 complaints
- Tahoe10,032 complaints
- Equinox9,161 complaints
- Silverado8,799 complaints
- Blazer8,192 complaints
- Suburban8,164 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.