Kenworth T680, Peterbilt 579, model year 2013. Filed by Paccar Incorporated and reported to NHTSA on 16 May 2012. 7 vehicles potentially affected.
What the notice says Paccar is recalling certain model year 2013 kenworth t680, and peterbilt 579 vehicles, for failing to comply with the requirements of federal motor vehicle safety standard (fmvss) no. 121, "air brake systems." these vehicles exceed the brake timing test requirements of fmvss 121 for trailer circuits when 15 foot …
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.
Paccar's own number for this recall: 12KWB/0512-A. That is the number on the owner letter and on the dealer paperwork. 12V214 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 12V214 cover?
- Kenworth T680, Peterbilt 579, model year 2013.
- What is wrong with them?
- PACCAR IS RECALLING CERTAIN MODEL YEAR 2013 KENWORTH T680, AND PETERBILT 579 VEHICLES, FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD (FMVSS) NO.
- What can happen if it is not put right?
- THE LONGER BRAKE APPLY TIME MAY RESULT IN EXTENDED STOPPING DISTANCES, INCREASING THE RISK OF A CRASH.
- Is there a fix yet?
- PACCAR WILL NOTIFY OWNERS AND INSTALL A RELAY VALVE ON THE AFFECTED VEHICLES. ALL THE VEHICLES HAVE BEEN REPAIRED. OWNER MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Paccar calls this recall 12KWB/0512-A, 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: “THE LONGER BRAKE APPLY TIME MAY RESULT IN EXTENDED STOPPING DISTANCES, INCREASING THE RISK OF A CRASH.”
affected
in the notice
caught
| Campaign | 12V214 |
|---|---|
| Filed by | PACCAR INCORPORATED |
| System at fault | Service Brakes, Air:Supply:Hoses, Lines/Piping, And Fittings |
| Reported to NHTSA | 16 May 2012 |
| Model years | 2013-2013 |
| Vehicles named | KENWORTH T680, PETERBILT 579 |
What the notice says today
The consequence
THE LONGER BRAKE APPLY TIME MAY RESULT IN EXTENDED STOPPING DISTANCES, INCREASING THE RISK OF A CRASH.
The remedy
PACCAR WILL NOTIFY OWNERS AND INSTALL A RELAY VALVE ON THE AFFECTED VEHICLES. ALL THE VEHICLES HAVE BEEN REPAIRED. OWNER MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 353 notices in the record whose component field names service brakes, air. Across that group the median wait before owners were written to was 43 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 12V214, wording as read on 17 September 2026. https://carsmultiverse.com/recall/12v214/
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 Paccar notices we hold
- 26V544: 2027 Peterbilt 567, 579, 589 and 2027 Kenworth T680, T880, and W990
- 26V485: 2027 Peterbilt and Kenworth
- 26V442: 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors
- 26V022: 2026 Kenworth L770 and 2024-2026 Peterbilt 520
- 25V795: 2026 Peterbilt 567 and 589 trucks
- 25V569: 2024-2026 Kenworth T680, T880, and W990 trucks
- 25V353: 2024 Peterbilt 367, 2026 Peterbilt 548, 589, and 2024-2026 Peterbilt 567 trucks
- 25V182: 2021-2026 Peterbilt 220, 2022-2026 Kenworth K370, and 2020-2026 K270 Medium-Duty Battery Electric
All 138 Paccar 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 12V214 on 23 August 2026, they were:
- Defect summary
4d4ea386 - Consequence
f9bc7ef2 - Remedy
02da5906
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 12V214 · how the whole register is watched
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