Chevrolet Silverado 4500, Chevrolet Silverado 5500, Chevrolet Silverado 6500, model years 2019 to 2020. Filed by General Motors, LLC and reported to NHTSA on 6 November 2025. 891 vehicles potentially affected.
What the notice says 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 …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
General Motors's own number for this recall: N252531990. That is the number on the owner letter and on the dealer paperwork. 25V768 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 25V768 cover?
- Chevrolet Silverado 4500, Chevrolet Silverado 5500, Chevrolet Silverado 6500, model years 2019-2020.
- What is wrong with them?
- 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.
- What can happen if it is not put right?
- Damaged brake jumper wires can result in power brake assist failure, increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. 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.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. General Motors calls this recall N252531990, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “Damaged brake jumper wires can result in power brake assist failure, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 25V768 |
|---|---|
| Filed by | General Motors, LLC |
| System at fault | Service Brakes, Hydraulic:Power Assist |
| Reported to NHTSA | 6 November 2025 |
| Model years | 2019-2020 |
| Vehicles named | CHEVROLET SILVERADO 4500, CHEVROLET SILVERADO 5500, CHEVROLET SILVERADO 6500 |
What the notice says today
The defect
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 consequence
Damaged brake jumper wires can result in power brake assist failure, increasing the risk of a crash.
The 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.
What it said before
Nothing has changed while we have been watching. We last read the wording of this campaign on 17 September 2026, and it matched the copy we already held.
That copy hashes to 23fa419b4a10da596fa1c7fb1e9a7eea…, so if it is ever edited the change is provable rather than a matter of memory.
This is one of 583 notices in the record whose component field names service brakes, hydraulic. Across that group the median wait before owners were written to was 37 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- Chevrolet Silverado 4500 recalls: 4 US campaigns
- Chevrolet Silverado 5500 recalls: 3 US campaigns
- Chevrolet Silverado 6500 recalls: 5 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 25V768, wording as read on 17 September 2026. https://carsmultiverse.com/recall/25v768/
The copy quoted above hashes to 23fa419b4a10da596fa1c7fb1e9a7eea…. If the notice is reworded later, that fingerprint will not match, which is how a reader checks that the quotation was of the version we say it was.
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other General Motors notices we hold
- 26V530: 2024-2025 Chevrolet Silverado 2500 and GMC Sierra 2500
- 26V496: 2026 Chevrolet Silverado EV and GMC Sierra EV
- 26V494: 2026 Cadillac Escalade IQ, Escalade IQL, GMC Sierra EV, and Chevrolet Silverado EV
- 26V399: 2025-2026 Express, and 2025-2026 Savana
- 26V394: 2026-2027 Cadillac Vistiq
- 26V345: 2026 Chevrolet Express and GMC Savana
- 26V329: 2015 Cadillac Escalade, Escalade ESV, XTS, 2015-2016 Cadillac ATS, CTS, and SRX
- 26V325: 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2019 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500
All 474 General Motors campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 25V768 on 23 August 2026, they were:
- Defect summary
c556939a - Consequence
c76a045d - Remedy
a2efb6f9
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 25V768 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Chevrolet Silverado 4500, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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