Temsa Ts30, Temsa Ts35, Temsa Ts45, model years 2021 to 2026. Filed by Temsa and reported to NHTSA on 29 April 2025. 594 vehicles potentially affected.
What the notice says Temsa is recalling certain 2021-2025 TS30, TS35, and 2021-2026 TS45 buses equipped with a Mux5-B multiplex. The temporary bus stop valve may activate unintentionally and apply the brakes, causing them to overheat.
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.
What owners ask about this recall
- Which vehicles does recall 25V279 cover?
- Temsa TS30, Temsa TS35, Temsa TS45, model years 2021-2026.
- What is wrong with them?
- Temsa is recalling certain 2021-2025 TS30, TS35, and 2021-2026 TS45 buses equipped with a Mux5-B multiplex. The temporary bus stop valve may activate unintentionally and apply the brakes, causing them to overheat.
- What can happen if it is not put right?
- Brakes that overheat can increase the risk of a fire.
- Is there a fix yet?
- Yes, and it is free. Temsa will inspect the multiplex, update the software, and repair the wiring harness as necessary, free of charge. Owner notification letters were mailed June 11, 2025. Owners may contact Temsa customer service at 1-833-628-3672.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
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: “Brakes that overheat can increase the risk of a fire.”
affected
in the notice
caught
| Campaign | 25V279 |
|---|---|
| Filed by | Temsa |
| System at fault | Electrical System:Wiring |
| Reported to NHTSA | 29 April 2025 |
| Model years | 2021-2026 |
| Vehicles named | TEMSA TS30, TEMSA TS35, TEMSA TS45 |
What the notice says today
The defect
Temsa is recalling certain 2021-2025 TS30, TS35, and 2021-2026 TS45 buses equipped with a Mux5-B multiplex. The temporary bus stop valve may activate unintentionally and apply the brakes, causing them to overheat.
The consequence
Brakes that overheat can increase the risk of a fire.
The remedy
Temsa will inspect the multiplex, update the software, and repair the wiring harness as necessary, free of charge. Owner notification letters were mailed June 11, 2025. Owners may contact Temsa customer service at 1-833-628-3672.
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 b567207f3a66df10e9563f7b405261bf…, so if it is ever edited the change is provable rather than a matter of memory.
This is one of 1,836 notices in the record whose component field names electrical system. Across that group the median wait before owners were written to was 41 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- Temsa TS30 recalls: 10 US campaigns
- Temsa TS35 recalls: 7 US campaigns
- Temsa TS45 recalls: 17 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 25V279, wording as read on 17 September 2026. https://carsmultiverse.com/recall/25v279/
The copy quoted above hashes to b567207f3a66df10e9563f7b405261bf…. 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 Temsa notices we hold
- 25V354: 2022-2025 TS30, 2023-2024 TS45, 2024 TS35, and 2025 TS45E
- 25V189: 2024-2025 TS45 transit buses
- 25V052: 2024 TS35
- 24V549: 2024 TS35
- 22V106: 2020 TS45 motorcoaches equipped with certain Cummins X12 diesel engines
- 21V454: 2014-2020 TS45 buses
- 21V399: 2018-2021 TS35 and 2018-2020 TS45
- 19V836: 2020 TS45 buses
All 23 Temsa 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 25V279 on 23 August 2026, they were:
- Defect summary
047ab6d4 - Consequence
8789df4c - Remedy
94b353bc
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 25V279 · 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 Temsa TS30, 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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