Service brakes, hydraulic: brake fluid low warning: switch/sensor/float
Manufacturer
General Motors, LLC
Vehicles affected
62,468
Reported to NHTSA
2025-06-12
Owners notified
2025-09-11
Defect description
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.
Safety risk
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Manufacturer 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 September 11, 2025. Owners may contact GM customer assistance number at 1-866-467-9700. GM's number for this recall is N242482680. Vehicles in this recall that were previously repaired under 23V266 will need to have the new remedy completed.
Engine and engine cooling: engine: engine control module (ECU/ECM): software
Manufacturer
General Motors, LLC
Vehicles affected
196
Reported to NHTSA
2021-05-13
Owners notified
2021-06-07
Defect description
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.
Safety risk
Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.
Manufacturer 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.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
Component
Complaints
Median mileage
Electrical system
1
—
Service brakes
1
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Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.