NHTSA recall 25V768000 · Nov 6, 2025
General Motors, LLC: Damaged Wiring Harness May Cause Power Brake Assist Failure
Product
2019-2020 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles
Hazard
Damaged brake jumper wires can result in power brake assist failure, increasing the risk of a crash.
What to do
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.
Got a car, truck or motorcycle? The surest check is your 17-character VIN, which is on your registration, insurance card, or the driver-side dashboard. NHTSA's free lookup shows any open recall that hasn't been repaired on that exact vehicle.
Check my VIN on NHTSA.govRecall details
- Summary
- 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.
- Component
- SERVICE BRAKES, HYDRAULIC
- Recall type
- Vehicle
- Potentially affected
- 891
- Manufacturer campaign number
- N252531990
Source: National Highway Traffic Safety Administration (NHTSA) notice.
Copied from the agency record without changes. Data as of Oct 14, 2026, 1:15 AM EDT. The agency notice is the final word.
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