Thomas Built Buses recall: Engine and engine cooling
What is wrong
Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Saf-T-Liner HDX and Saf-T-Liner C2 school buses. The engine control module (ECM) may experience an internal short-circuit, which can result in an unexpected engine shut down.
What could happen
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.
The fix
Cummins will replace the ECM, free of charge. Owner notification letters are expected to be mailed September 26, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-949.
Vehicles covered
- Thomas Built Buses Saf-T-Liner C2 2023
- Thomas Built Buses Saf-T-Liner Hdx 2023
Facts
- NHTSA recall number
- 22V553000
- Type
- Vehicle
- Filed by
- Daimler Trucks North America, LLC
- Reported to NHTSA
- Jul 29, 2022
- Owners notified
- Sep 27, 2022
- Vehicles or items affected
- 71
- Started by
- The manufacturer
- Built
- –
- Part
- Engine and engine cooling › Engine › Engine control module (ECU/ECM)
- Maker's own recall number
- FL-949
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Other recalls for the same vehicles
- Thomas Built Buses recall: Engine and engine cooling Feb 13, 2026
- Thomas Built Buses recall: Engine and engine cooling Feb 13, 2026
- Thomas Built Buses recall: Equipment adaptive/mobility Dec 9, 2025
- Thomas Built Buses recall: Steering Sep 11, 2025
- Thomas Built Buses recall: Equipment Jul 24, 2024
- Thomas Built Buses recall: Structure Oct 12, 2022
To check one car, enter its 17-character VIN on the official NHTSA page: a recall may cover only some vehicles of a model year.
Recall data: National Highway Traffic Safety Administration (NHTSA). Nebula is not affiliated with or endorsed by NHTSA.