NHTSA vehicle safety data
2020 Chevrolet Silverado 4500 Recalls & Complaints
The 2020 Chevrolet Silverado 4500 has 2 NHTSA recall campaigns and 1 owner complaint on file as of November 3, 2026. Recall repairs are usually free at an authorized Chevrolet dealer.
NHTSA recall and complaint data for the 2020 Chevrolet Silverado 4500. Recall data is refreshed daily from NHTSA.
2020 Chevrolet Silverado 4500 owner complaints
Owners have filed 1 complaint with NHTSA about the 2020 Chevrolet Silverado 4500, describing incidents dated November 6, 2024.
Most-cited components
- Engine 1 complaint
- Power Train 1 complaint
- Service Brakes 1 complaint
Newest complaints
ODI #11672450 · Filed
Vehicle lost engine power on the road. Light display came on stating engine reduce power. It would not pull the trailer. Had to pull over and the display went away only to appear again later. We brought vehicle to chevrolet dealer . The part needed to hopefully fix is on backorder. There is also…
Damaged Wiring Harness May Cause Power Brake Assist Failure
NHTSA #25V768000 · Service Brakes, Hydraulic — Power Assist · NHTSA notice
Reported November 6, 2025 · General Motors, LLC
Potentially affected: 891 vehicles
Repair completion: 57.46% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign N252531990 · Owners notified December 3, 2025
Defect description
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.
Safety consequence
Damaged brake jumper wires can result in power brake assist failure, increasing the risk of a crash.
Manufacturer 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 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.
Brake Pressure Switch May Short and Cause Fire
NHTSA #25V390000 · Service Brakes, Hydraulic — Brake Fluid Low Warning — Switch/Sensor/Float · NHTSA notice
Reported June 12, 2025 · General Motors, LLC
Potentially affected: 62,468 vehicles
Repair completion: 53.49% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign N242482680 · Owners notified September 11, 2025
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 consequence
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.
Other Chevrolet Silverado 4500 model years
Check your 2020 Chevrolet Silverado 4500 VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Chevrolet Silverado 4500 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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