Service brakes, hydraulic: brake fluid low warning: switch/sensor/float (Chevrolet)
Vehicle recall 25V-390. NHTSA received General Motors, LLC’s report on Jun 12, 2025.
- NHTSA: park outside
Watch and the shortlist are kept with a free account, on every device. Your watch list. NHTSA’s own record is on nhtsa.gov.
The short answer
NHTSA received General Motors, LLC’s report on Jun 12, 2025. Copied from NHTSA on Oct 21, 2026.
- Park outside NHTSA’s advice to owners (needs attention)
- 62,468 vehicles potentially involved, by NHTSA’s count
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
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.
NHTSA, Recalls flat file. Released Oct 21, 2026. Updated daily.
- NHTSA’s part: Service brakes, hydraulic: brake fluid low warning: switch/sensor/float.
What should you do?
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.
NHTSA’s advice: Park outside
NHTSA, Recalls flat file. Released Oct 21, 2026. Updated daily.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 62,468 vehicles potentially involved, across everything this recall names.
Each model year opens its own page: every recall naming it, its owner complaints and its crash ratings.
NHTSA, Recalls flat file. Released Oct 21, 2026. Updated daily.
Who is recalling it?
- Made by General Motors, LLC.
NHTSA, Recalls flat file. Released Oct 21, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt. Owners’ complaints are counted on each vehicle’s page.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 21, 2026 and checked Oct 21, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 21, 2026.