2026–2027 Thomas Built Buses Saf-T-Liner EFX2, 2026–2027 Thomas Built Buses Saf-T-Liner HDX2 Recall: Entrance door may fail to open or close when the switch is activated
NHTSA campaign 26V407000 · Electrical System · filed Jun 26, 2026 · verified Sep 14, 2026
The defect
Daimler Trucks North America, LLC (DTNA) is recalling certain 2026-2027 Thomas Built SAF-T-LINER HDX2 and Thomas Built SAF-T-LINER EFX2 school buses. The entrance door may fail to open or close when the switch is activated.
The risk
A door that fails to open or close increases the risk of injury to occupants in 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 replace the door relay for the entrance door system, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 25, 2026. Additional letters will be sent once the final remedy is available, anticipated October 2026. Owners may contact DTNA customer service at 1-800-574-0712. DTNA's number for this recall is F1035.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Thomas Built Buses | Saf-T-Liner EFX2 | 2026, 2027 |
| Thomas Built Buses | Saf-T-Liner HDX2 | 2026, 2027 |
Related recalls
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Other campaigns involving Thomas Built Buses vehicles
- 2024–2027 Thomas Built Buses Saf-T-Liner C2 — Fuel tank cage material and fuel system mounting may be…
- 2024–2027 Thomas Built Buses Saf-T-Liner C2 — Fuel tank cage material and fuel system mounting may be…
- 2026–2027 Thomas Built Buses Saf-T-Liner HDX2 — Entrance door may fail to open or close when the switch is…
All Thomas Built Buses Saf-T-Liner EFX2 recalls → · All Thomas Built Buses recalls →
Source: NHTSA recall database, campaign 26V407000 (manufacturer number F1035). Data last verified Sep 14, 2026.