THOMAS BUILT BUSES SAF-T-LINER C2 (2020) recall — Engine And Engine Cooling
Daimler Trucks North America recalls 2020-2023 Thomas Built C2 Saf-T-Liner school buses with 8.8L LPG engines that may shut down unexpectedly, risking crashes and passenger injuries.
Use caution until it’s fixed
Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.
Contact the company & request your remedy
What happened, in plain English
Daimler Trucks North America is recalling certain 2020-2023 Thomas Built C2 Saf-T-Liner school buses with 8.8L LPG engines. The engine may shut down unexpectedly, increasing crash risk and potentially requiring passenger evacuation during traffic. Read more at govinfonow.com/recall/80079-thomas-built-saf-t-liner-c2-2020-school-buses-engine.
Source Summary by GovInfoNow · govinfonow.com/recall/80079-thomas-built-saf-t-liner-c2-2020-school-buses-engine · Updated October 4, 2026 · Official notice: NHTSA #22V438000
Cite this page
“Thomas Built Saf-T-Liner C2 2020 School Buses: Engine Shutdown Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80079-thomas-built-saf-t-liner-c2-2020-school-buses-engine. Based on NHTSA recall #22V438000 (https://www.nhtsa.gov/recalls?nhtsaId=22V438000).
Why it’s dangerous
The engine control module (ECM) may set a fault code causing the engine to shut down unexpectedly. This could lead to a crash or require an evacuation procedure in traffic, risking passenger injury.
Who’s affected
School bus owners using 2020-2023 Thomas Built C2 Saf-T-Liner models with 8.8L LPG engines are most at risk. Drivers should monitor for unexpected engine shutdowns during operation.
How to tell if you have this one
Check if your school bus has a Thomas Built C2 Saf-T-Liner model with an 8.8L LPG engine. The recall covers 2020-2023 models.
- Brand
Thomas Built- Category
Vehicle
What to do — step by step
Update ECM Software
Dealers will update the engine control module software for free to prevent unexpected shutdowns.
Contact DTNA
Call DTNA customer service at 1-800-547-0712 to confirm your bus is affected and schedule the update.
What NHTSA says to do
Dealers will update the ECM software, free of charge. Owner notification letters were mailed October 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL942.
Questions people ask
Why is this recall happening?
The engine control module may set a fault code causing unexpected engine shutdowns, increasing crash risk and potential passenger injury.
How can I tell if my bus is affected?
Check if your Thomas Built C2 Saf-T-Liner school bus has an 8.8L LPG engine and was manufactured between 2020 and 2023.
What should I do if my bus shuts down unexpectedly?
Pull over safely and contact DTNA customer service at 1-800-547-0712 for assistance.
Contact Thomas Built
We’ve drafted a message you can send Thomas Built to request your refund or repair — edit it as you like.
Subject: Recall 22V438000 — Thomas Built Thomas Built Hello, I own a Thomas Built that is covered by recall 22V438000 from Thomas Built. The official recall notice states: Dealers will update the ECM software, free of charge. Owner notification letters were mailed October 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL942. 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 #22V438000 (June 20, 2022)
- Plain-language summary written by qwen3:4b on October 4, 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.