United StatesThomas Built Buses 2024–2027 Saf‑T‑Liner C2 school buses (3,285 potentially affected) are involved in this recall. The buses’ software may misinterpret contact if the door switch is bumped, which can deactivate the amber and red warning lights and the stop sign arm. Dealers will update the amber and red warning light software free of charge; owner notification letters were mailed June 2, 2026, and owners can contact DTNA at 1‑800‑547‑0712 (DTNA recall F1032).
What's being recalled
Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2024-2027 Saf-T-Liner C2 school buses. The vehicle's software may misinterpret contact if the door switch is bumped, deactivating the amber and red warning lights and the stop sign arm.
How to identify it
NHTSA campaign 26V228000; Manufacturer campaign F1032
The hazard
Warning lights and a stop sign arm that fail to activate will not warn other drivers the school bus is slowing down, increasing the risk of a crash or injury.
What to do
Dealers will update the amber and red warning light software, free of charge. Owner notification letters were mailed June 2, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1032.
The official notice
This page is a summary of the notice published by U.S. National Highway Traffic Safety Administration, collected from U.S. National Highway Traffic Safety Administration. Check the original before you act on it.
Read the official notice (opens in a new tab)