NHTSA Recall 22V553000: Engine control module (ecu/ecm) (engine and engine cooling)
Daimler Trucks North America, LLC reported this safety recall to NHTSA on , covering an estimated 71 vehicles. It affects 2 models including the Thomas Built Buses Saf-T-Liner C2.
| NHTSA campaign | 22V553000 |
|---|---|
| Manufacturer campaign | FL-949 |
| Component | ENGINE AND ENGINE COOLING › ENGINE › ENGINE CONTROL MODULE (ECU/ECM) |
| Report received | July 29, 2022 |
| Owner notification | September 27, 2022 |
| Initiated by | Manufacturer |
Defect
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.
Safety risk
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.
Remedy
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.
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.
Vehicles covered by recall 22V553000
| Make and model | Model years |
|---|---|
| Thomas Built Buses Saf-T-Liner C2 | 2023 |
| Thomas Built Buses Saf-T-Liner Hdx | 2023 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.