Engine And Engine Cooling:engine:engine Control Module (ecu/ecm)

NHTSA recall 22V553000 · announced July 29, 2022 · filed by Daimler Trucks North America, Llc · 71 units affected

The problem

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.

The 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.

What to do

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 this recall

• 2023 Thomas Built Buses Saf-t-liner C2
• 2023 Thomas Built Buses Saf-t-liner Hdx

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.