Key Takeaway
Damaged Wiring Harness May Cause Power Brake Assist Failure by GENERAL MOTORS LLC was recalled on November 6, 2025. 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...
Damaged Wiring Harness May Cause Power Brake Assist Failure
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.
Injuries / Consequence
Damaged brake jumper wires can result in power brake assist failure, increasing the risk of a crash.
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.
Products Affected
Vehicle
VehiclesCompany Information
GENERAL MOTORS LLC
Unknown location
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Frequently Asked Questions
Is this recall still active?
Check the status badge at the top of this page. "Ongoing" means the recall is still active and you should follow the remedy instructions. "Completed" or "Terminated" means the recall process has concluded, though the safety issue remains relevant for any unrepaired products.
How do I check if my product is affected?
Compare the model number, lot code, serial number, or date range listed in the recall notice with the information on your product's label or packaging. For vehicles, check your VIN at NHTSA.gov/Recalls.
What remedy is available for this recall?
The listed remedy for this recall is: 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...
Where can I find the original recall notice?
This recall was issued by NHTSA. You can view the original notice using the link provided above.