Service brakes, hydraulic: power assistRecall 25V-768 · Chevrolet vehicles
General Motors, LLC recall 25V-768 covers 891 Chevrolet vehicles for a service brakes, hydraulic: power assist problem, reported to NHTSA on November 6, 2025. The manufacturer's latest report (2026 Q3) shows 57% of affected vehicles repaired.
Source: NHTSA recall 25V768000 and manufacturer quarterly reports. Started by the manufacturer.
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 repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
57%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 7 vehicles were listed as unreachable.