Thomas Built Saf-T-Liner C2 School Bus: Lights and Instruments

Affects Thomas Built Saf-T-Liner C2 School Bus · 2026–2027 — about 326 vehicles.

The hazard

Issue: On certain school buses, the driver could unintentionally bump the door switch. As a result, the warning lights could turn off and the stop sign arm may retract. Safety Risk: Warning lights and a stop sign arm that don't work could increase the risk of injury for passengers getting on and off the bus. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and advise you to take your school bus to a DTNA authorized service facility to update the electronic control module software.

What to do

Contact your dealer; the remedy details were not included in the filing.

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