NHTSA Safety Recalls
2020 Chevrolet Silverado 4500 Recalls
The 2020 Chevrolet Silverado 4500 has 2 NHTSA safety recalls on file. Recall repairs are always free, whatever the car's age or mileage.
A recall covers a range of VINs, not every Chevrolet Silverado 4500 built. Check your own 17-character VIN before assuming yours is affected.
2 recalls on the 2020 Chevrolet Silverado 4500
SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT
NHTSA 25V390000- The defect
- 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.
- The risk
- An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
- The fix
- 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.
Reported December 6, 2025 by General Motors, LLC
SERVICE BRAKES, HYDRAULIC:POWER ASSIST
NHTSA 25V768000- The defect
- 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 damaged.
- The risk
- Damaged brake jumper wires can result in power brake assist failure, increasing the risk of a crash.
- The fix
- 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 customer assistance number at 1-866-467-9700. GM's number for this recall is N252531990. Vehicles in this recall were previously repaired under 25V390 and will need to have the new remedy completed. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov beginning November 6, 2025.
Reported June 11, 2025 by General Motors, LLC
Checking your own car
A recall applies to a range of VINs, not to every 2020 Chevrolet Silverado 4500 built. To confirm whether yours is affected, find the 17-character VIN on the driver-side dashboard or door jamb and enter it in NHTSA's official lookup.
Repairs for safety recalls are free and never expire. A dealer cannot charge you, and cannot refuse on the grounds that the car is old or out of warranty. If one does, call the NHTSA hotline on 1-888-327-4236.