2021–2023 Thomas Built Buses Saf-T-Liner C2 Recall: Automatic low voltage disconnect switch may fail, resulting in a loss of…
NHTSA campaign 23V209000 · Electrical System · filed Sep 13, 2023 · verified Jul 30, 2026
The defect
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2023 Thomas Built Bus SAF-TLINER C2 JOULEY school buses equipped with an automatic low voltage disconnect switch. The automatic low voltage disconnect switch may fail, resulting in a loss of drive power, power steering, or vehicle lighting.
The risk
A loss of drive power, power steering, or vehicle lighting can increase the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will remove the automatic low voltage disconnect switch, free of charge. Owner notification letters were mailed October 18, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL968.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Thomas Built Buses | Saf-T-Liner C2 | 2021, 2022, 2023 |
Related recalls
More Thomas Built Buses Saf-T-Liner C2 recalls
- 2024–2027 Thomas Built Buses Saf-T-Liner C2 — Vehicle's software may misinterpret contact if the door…
- 2027 Thomas Built Buses Saf-T-Liner C2 — Heater hose may rupture, which can result in hot coolant…
- 2025–2027 Thomas Built Buses Minotour DRW and 4 other models — Wheel chair restraint retractor may not lock, preventing…
- 2027 Thomas Built Buses Saf-T-Liner C2 and 1 other model — Wheel chair restraint retractor may not lock, preventing…
- 2025–2026 Thomas Built Buses Saf-T-Liner C2 and 1 other model — Brake caliper mounting bolts may loosen and detach, which…
Other campaigns involving Thomas Built Buses vehicles
- 2026–2027 Thomas Built Buses Saf-T-Liner EFX2 and 1 other model — Entrance door may fail to open or close when the switch is…
- 2026–2027 Thomas Built Buses Saf-T-Liner HDX2 — Entrance door may fail to open or close when the switch is…
- 2027 Thomas Built Buses Saf-T-Liner HDX2 — Front and mid-body interior joints may have been…
All Thomas Built Buses Saf-T-Liner C2 recalls → · All Thomas Built Buses recalls →
Source: NHTSA recall database, campaign 23V209000 (manufacturer number FL968). Data last verified Jul 30, 2026.