Thomas Built Buses Saf-T-Liner C2, model years 2024 to 2027. Filed by Daimler Trucks North America, LLC and reported to NHTSA on 10 August 2026. 160 vehicles potentially affected.
What the notice says Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 transit buses. The fuel tank cage material and fuel system mounting may be incompatible. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 301, "Fuel …
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.
Thomas Built Buses's own number for this recall: F1037. That is the number on the owner letter and on the dealer paperwork. 26V523 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 26V523 cover?
- Thomas Built Buses Saf-T-Liner C2, model years 2024-2027.
- What is wrong with them?
- Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 transit buses. The fuel tank cage material and fuel system mounting may be incompatible.
- What can happen if it is not put right?
- During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.
- Is there a fix yet?
- Yes, and it is free. Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters are expected to be mailed October 9, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Thomas Built Buses calls this recall F1037, 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: “During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.”
affected
in the notice
caught
| Campaign | 26V523 |
|---|---|
| Filed by | Daimler Trucks North America, LLC |
| System at fault | Fuel System, Diesel:Storage:Tank Assembly |
| Reported to NHTSA | 10 August 2026 |
| Model years | 2024-2027 |
| Vehicles named | THOMAS BUILT BUSES SAF-T-LINER C2 |
What the notice says today
The defect
Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 transit buses. The fuel tank cage material and fuel system mounting may be incompatible. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 301, "Fuel System Integrity."
The consequence
During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.
The remedy
Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters are expected to be mailed October 9, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
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 9bf57ac340085416488730464b581ee7…, so if it is ever edited the change is provable rather than a matter of memory.
This is one of 197 notices in the record whose component field names fuel system, diesel. Across that group the median wait before owners were written to was 43 days.
Last checked . 1 change recorded in the wording since we started reading it daily, the latest on 26 September 2026.
Changed since our daily reading began
26 September 2026: the remedy was rewritten. Before: Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters are expected to be mailed October 9, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
After: Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters were mailed September 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
Side by side
The same recall in other countries
This campaign carries a manufacturer code that also appears in another country’s register, which means the same defect was recalled there too.
- Canada: Transport Canada recall 2026389, recorded 10 August 2026
Matched on F1037, the manufacturer’s own number for this campaign, which is the only field the registers share. Exact match, nothing paired on brand and date. The two dates are adjacent instruments rather than the same one, so a difference of a day or two means nothing.
How often the two countries file on the same day · The European alerts
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 26V523, wording as read on 17 September 2026. https://carsmultiverse.com/recall/26v523/
The copy quoted above hashes to 9bf57ac340085416488730464b581ee7…. 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.
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 26V523 on 23 August 2026, they were:
- Defect summary
5956fe4a - Consequence
b20f060f - Remedy
92b5fe8a
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 26V523 · 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 Thomas Built Buses Saf-T-Liner C2, 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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