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

NHTSA campaign 22V438000 · announced June 20, 2022 · filed by Daimler Trucks North America, Llc · 461 units affected

The problem

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Thomas Built C2 Saf-T-Liner school buses equipped with 8.8L LPG engines. The engine control module (ECM) may set a fault code that results 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

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.

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

• 2020 Thomas Built Buses Saf-t-liner C2
• 2021 Thomas Built Buses Saf-t-liner C2
• 2022 Thomas Built Buses Saf-t-liner C2
• 2023 Thomas Built Buses Saf-t-liner C2

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