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 26V408000 · Electrical System · filed Jun 26, 2026 · verified Sep 14, 2026

Units reported

Manufacturer

Daimler Trucks North America, LLC

Risk

Crash / injury

Owner letters

Interim notice Aug 25, 2026

The defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2026-2027 Thomas Built SAF-T-LINER HDX2 transit 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 HDX2	2026, 2027

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Source: NHTSA recall database, campaign 26V408000 (manufacturer number F1035). Data last verified Sep 14, 2026.