Thomas Built Buses Saf-T-Liner C2, model year 2016. Filed by Daimler Trucks North America LLC and reported to NHTSA on 5 October 2015. 4 vehicles potentially affected.
What the notice says Daimler Trucks North America LLC (DTNA) is recalling certain model year 2016 Thomas Built Bus Saf-T-Liner C2 school buses manufactured August 6, 2015, to August 20, 2015, and equipped with certain Cummins ISB6.7 engines whose engine control module (ECM) may short circuit and blow a fuse resulting in the engine …
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: FL-690. That is the number on the owner letter and on the dealer paperwork. 15V623 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 15V623 cover?
- Thomas Built Buses Saf-T-Liner C2, model year 2016.
- What is wrong with them?
- Daimler Trucks North America LLC (DTNA) is recalling certain model year 2016 Thomas Built Bus Saf-T-Liner C2 school buses manufactured August 6, 2015, to August 20, 2015, and equipped with certain Cummins ISB6.7 engines whose engine control module (ECM) may short circuit and blow a fuse resulting...
- What can happen if it is not put right?
- An engine that stalls without warning increases the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. DTNA will notify owners, and dealers will replace the ECM, free of charge. The recall began on October 22, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-690.
- 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 FL-690, 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: “An engine that stalls without warning increases the risk of a crash.”
affected
in the notice
caught
| Campaign | 15V623 |
|---|---|
| Filed by | Daimler Trucks North America LLC |
| System at fault | Engine And Engine Cooling:Engine |
| Reported to NHTSA | 5 October 2015 |
| Model years | 2016-2016 |
| Vehicles named | THOMAS BUILT BUSES SAF-T-LINER C2 |
What the notice says today
The consequence
An engine that stalls without warning increases the risk of a crash.
The remedy
DTNA will notify owners, and dealers will replace the ECM, free of charge. The recall began on October 22, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-690.
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 588 notices in the record whose component field names engine and engine cooling. Across that group the median wait before owners were written to was 47 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 15V623, wording as read on 16 September 2026. https://carsmultiverse.com/recall/15v623/
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 15V623 on 23 August 2026, they were:
- Defect summary
bbe086d3 - Consequence
bf91ce2f - Remedy
fa242a5c
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 15V623 · 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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