Recall 25V-768: 2019–2020 Chevrolet Silverado 4500, 2019–2020 Chevrolet Silverado 5500 and 1 more
General Motors, LLC recall for service brakes, hydraulic, reported to NHTSA on Nov 6, 2025, covering about 891 vehicles.
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.
Recall details
| Manufacturer | General Motors, LLC |
|---|---|
| Component | Service Brakes, Hydraulic › Power Assist |
| Recall started by | the manufacturer |
| NHTSA campaign number | 25V768000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Chevrolet Silverado 4500 | 2019, 2020 | All years |
| Chevrolet Silverado 5500 | 2019, 2020 | All years |
| Chevrolet Silverado 6500 | 2019, 2020 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 25V-768?
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.
How is recall 25V-768 fixed?
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.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.