2020 Chevrolet Silverado 4500 recalls and problems
2 recalls and 1 owner complaint on file with NHTSA for the 2020 Chevrolet Silverado 4500.
2
recalls
1
owner complaints
0
complaints mentioning a crash
0
mentioning a fire
Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.
2020 Chevrolet Silverado 4500 recalls
Service brakes, hydraulic: power assist
NHTSA campaign 25V768000 · reported November 6, 2025 · General Motors, LLC · 891 vehicles potentially affected
The problem
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.
Service brakes, hydraulic: brake fluid low warning, switch/sensor/float
NHTSA campaign 25V390000 · reported June 12, 2025 · General Motors, LLC · 62,468 vehicles potentially affected
The problem
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.
Most reported problems
Areas named in owner complaints to NHTSA. One complaint can name several areas.
Engine1
Power train1
Service brakes1
What owners report
Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.
Jul 10, 2025 · Service brakes
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 recall with no…
Does the 2020 Chevrolet Silverado 4500 have any recalls?
Yes. NHTSA lists 2 recalls for the 2020 Chevrolet Silverado 4500, the most recent reported on November 6, 2025 (Service brakes, hydraulic: power assist). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2020 Chevrolet Silverado 4500?
Owners have filed 1 complaint with NHTSA. The most frequently reported area is engine (1 complaints), followed by power train (1).
How many 2020 Chevrolet Silverado 4500 complaints mention a crash or fire?
0 of 1 complaints report a crash and 0 a fire; 0 injuries were reported in total. Complaints are unverified reports from owners.
Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received July 10, 2025.