Thomas Built Buses Saf-T-Liner C2: Engine and engine cooling — engine control module (ecu/ecm)

Affects Thomas Built Buses Saf-T-Liner C2 · 2020–2023 — about 461 vehicles.

The hazard

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.

What 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.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational