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.
The remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Thomas Built Buses SAF-T-Liner HDX2 | 2026, 2027 |
Components: ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS | LATCHES/LOCKS/LINKAGES:DOORS:LATCH
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Thomas Built Buses SAF-T-Liner HDX2 | 2026 | 0 | 6 |
| Thomas Built Buses SAF-T-Liner HDX2 | 2027 | 0 | 6 |
Other latches/locks/linkages recalls in 2026
8 of the 666 recall campaigns reported to NHTSA in 2026 concerned the latches/locks/linkages; Daimler Trucks North America, LLC filed 166 campaigns in all.
| 26V481000 24 Jul 2026 | Mercedes-Benz USA, LLC |
| 26V408000 26 Jun 2026 | Daimler Trucks North America, LLC |
| 26V134000 6 Mar 2026 | Mercedes-Benz USA, LLC |
| 26V102000 20 Feb 2026 | Orange EV |
| 26V072000 6 Feb 2026 | Volvo Car USA, LLC |
| 26V063000 4 Feb 2026 | Daimler Coaches North America |
| 26V023000 20 Jan 2026 | Nissan North America, Inc. |
NHTSA recalls (public domain) · all recalls of 2026