NHTSA recall 22V438000
Unexpected Engine Shut Down
- Vehicles affected
- 461
- Completion rate
- 96.96%
- Remedy
- Dealer visit
- Component
- ENGINE AND ENGINE COOLING
Description
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.
Issue
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.
Consequence Summary
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.
Corrective Action
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.
Internal ID: 22V438000 · Updated October 15, 2026
