THOMAS BUILT BUSES SAF-T-LINER C2 (2025) recall — Structure
Daimler Trucks North America recalls certain 2023-2025 Saf-T-Liner C2 school buses for a faulty emergency exit alarm that may not activate when the hatch is open, potentially increasing crash injury risk.
Use caution until it’s fixed
An inaudible alarm that fails to warn the driver of an open emergency exit can increase the risk of injury in a crash.
Contact the company & request your remedy
What happened, in plain English
Daimler Trucks North America is recalling certain 2023-2025 Thomas Built Buses Saf-T-Liner C2 school buses because the emergency exit alarm may not sound when the emergency hatch is open. This could increase the risk of injury during a crash if the driver isn't warned of the open exit. Read more at govinfonow.com/recall/1342395-thomas-built-buses-saf-t-liner-c2-2023-2025-recall.
Source Summary by GovInfoNow · govinfonow.com/recall/1342395-thomas-built-buses-saf-t-liner-c2-2023-2025-recall · Updated October 8, 2026 · Official notice: NHTSA #24V478000
Cite this page
“Thomas Built Buses Saf-T-Liner C2 (2023-2025) Recall: Emergency Exit Alarm Failure Risk.” GovInfoNow, updated October 8, 2026. https://govinfonow.com/recall/1342395-thomas-built-buses-saf-t-liner-c2-2023-2025-recall. Based on NHTSA recall #24V478000 (https://www.nhtsa.gov/recalls?nhtsaId=24V478000).
Why it’s dangerous
The emergency exit alarm may not sound when the emergency hatch or window is open. This means the driver might not be warned of the open exit during a crash, potentially increasing the risk of injury.
Who’s affected
School bus owners and drivers of the recalled Saf-T-Liner C2 models (2023-2025) are most at risk if the emergency exit alarm fails to activate when the hatch is open during a crash.
How to tell if you have this one
Check for 2023-2025 Thomas Built Buses Saf-T-Liner C2 school buses. The recall covers models sold from 2023 through 2025. Owners received notification letters mailed August 22, 2024.
- Brand
Thomas Built Buses- Category
Vehicle
What to do — step by step
Contact DTNA Customer Service
Call 1-800-547-0712 to confirm your vehicle is affected and schedule the software update.
Update Emergency Sound Software
Dealers will provide a free software update to fix the alarm system failure.
What NHTSA says to do
Dealers will update the emergency sound software, free of charge. Owner notification letters were mailed August 22, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1004.
Questions people ask
Why is this recall happening?
The emergency exit alarm may not activate when the emergency hatch is open, which could increase injury risk during a crash.
How do I know if my bus is affected?
Your bus is affected if it's a 2023-2025 Thomas Built Buses Saf-T-Liner C2 model, and you received a notification letter mailed August 22, 2024.
Is there a risk of serious injury?
The recall states that an inaudible alarm failing to warn of an open emergency exit could increase injury risk in a crash, but it does not specify that serious injury is likely.
Contact Thomas Built Buses
We’ve drafted a message you can send Thomas Built Buses to request your refund or repair — edit it as you like.
Subject: Recall 24V478000 — Thomas Built Buses Thomas Built Buses Hello, I own a Thomas Built Buses that is covered by recall 24V478000 from Thomas Built Buses. The official recall notice states: Dealers will update the emergency sound software, free of charge. Owner notification letters were mailed August 22, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1004. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #24V478000 (June 26, 2024)
- Plain-language summary written by qwen3:4b on October 8, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.