2019–2023 Thomas Built Buses Saf-T-Liner HDX Recall: Positive battery cable may be routed improperly, allowing it to chafe…
NHTSA campaign 22V271000 · Electrical System · filed Apr 22, 2022 · verified Jul 30, 2026
The defect
Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2023 Thomas Built Bus HDX school buses. The positive battery cable may be routed improperly, allowing it to chafe against the transmission oil cooler hoses, which can cause an electrical short circuit.
The risk
An electrical short circuit can increase the risk of a fire.
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 inspect and repair the cable routing, as necessary, free of charge. Owner notification letters were mailed January 20, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL928.
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 HDX | 2019, 2020, 2021, 2022, 2023 |
Related recalls
More Thomas Built Buses Saf-T-Liner HDX recalls
- 2023–2026 Thomas Built Buses Saf-T-Liner Efx and 1 other model — Heater hose clamps may not have been tightened properly…
- 2023–2025 Thomas Built Buses Saf-T-Liner Efx and 1 other model — Heater hose clamps may not have been tightened properly…
- 2025–2027 Thomas Built Buses Minotour DRW and 4 other models — Wheel chair restraint retractor may not lock, preventing…
- 2025–2026 Thomas Built Buses Saf-T-Liner C2 and 4 other models — Tie rod castle nut and cotter pin may not be installed…
- 2019–2022 Thomas Built Buses Minotour DRW and 5 other models — Emergency Exit Label lettering is too small and may be…
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 HDX recalls → · All Thomas Built Buses recalls →
Source: NHTSA recall database, campaign 22V271000 (manufacturer number FL928). Data last verified Jul 30, 2026.