SYS ONLINE INGEST 3 hours ago SOURCE NHTSA · TC BUILD v0.0.29
Vehicle scope Default: all classes — narrow to retail passenger anytime

Thomas Built Buses · United States · Mod

Thomas Built Buses Saf-T-Liner C2: Exterior lighting — hazard flashing warning lights

Affects Thomas Built Buses Saf-T-Liner C2 · 2024–2027 — about 3K vehicles.

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.

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