Daimler Trucks North America recalls certain 2021-2022 Thomas Built C2 Saf-T-Liner school buses due to parking brake activation switch failure that may cause unintended vehicle movement.
Unintended movement of the vehicle increases the risk of a crash.
Daimler Trucks North America is recalling certain 2021-2022 Thomas Built C2 Saf-T-Liner school buses because the parking brake activation switch may fail to set the parking brake, increasing crash risk. Owners should update the vehicle's software to fix this issue. Read more at govinfonow.com/recall/81109-thomas-built-saf-t-liner-c2-2022-school-bus-parking.
Source Summary by GovInfoNow · govinfonow.com/recall/81109-thomas-built-saf-t-liner-c2-2022-school-bus-parking · Updated October 4, 2026 · Official notice: NHTSA #21V547000
“Thomas Built Saf-T-Liner C2 2022 School Bus: Parking Brake Failure Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/81109-thomas-built-saf-t-liner-c2-2022-school-bus-parking. Based on NHTSA recall 21V547000 (https://www.nhtsa.gov/recalls?nhtsaId=21V547000).
The parking brake activation switch may fail to set the parking brake, causing the vehicle to move unexpectedly. This unintended movement increases crash risk during stops or when the bus is stationary.
School bus owners who purchased a 2021-2022 Thomas Built C2 Saf-T-Liner model. Drivers and passengers on these buses face the highest risk due to potential unintended vehicle movement.
Check if your school bus is a 2021-2022 model with the Thomas Built C2 Saf-T-Liner name. The recall was notified to owners on September 14, 2021.
DTNA will update the Dash Electronic Control Unit (DECU) software for free to fix the parking brake activation switch issue.
Call DTNA's customer service at 1-800-547-0712 to get the software update or other assistance.
DTNA will update the Dash Electronic Control Unit (DECU ) software, free of charge. Owner notification letters were mailed on September 14, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL-896.
The parking brake activation switch may fail to set the parking brake, causing unintended vehicle movement that increases crash risk.
Check if your school bus is a 2021-2022 model with the Thomas Built C2 Saf-T-Liner name. The recall was notified to owners on September 14, 2021.
DTNA will update the Dash Electronic Control Unit (DECU) software for free. Contact customer service at 1-800-547-0712 for assistance.
We’ve drafted a message you can send Thomas Built to request your refund or repair — edit it as you like.
Subject: Recall 21V547000 — Thomas Built Thomas Built Hello, I own a Thomas Built that is covered by recall 21V547000 from Thomas Built. The official recall notice states: DTNA will update the Dash Electronic Control Unit (DECU ) software, free of charge. Owner notification letters were mailed on September 14, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL-896. 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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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.