Campaign 23V-670

Fasteners for the emergency exit door may loosen and detach, which can allow the emergency exit door to open unexpectedly

Defect summary

Daimler Trucks North America, LLC. (DTNA) is recalling certain 2019-2024 Thomas Built SAF-T-LINER C2 transit buses. The fasteners for the emergency exit door may loosen and detach, which can allow the emergency exit door to open unexpectedly.

Consequence

An emergency exit door opening unexpectedly can increase the risk of an injury.

Remedy

Dealers will inspect and tighten the fasteners for the emergency exit door, as necessary, free of charge. Owner notification letters were mailed December 1, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL982.

Notes

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.

Source: NHTSA ODI recalls file, campaign 23V670000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about structure on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 23V-670
Make	Model	Model years	Complaints on this component
Thomas Built Buses	Saf-T-Liner C2	2019 to 2024	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

1 service bulletin on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

26V-388 Jun 12, 2026
Front and mid-body interior joints may have been manufactured incorrectly, resulting in insufficient joint strength
25V-694 Oct 10, 2025
Rear exterior joints may have been manufactured incorrectly, resulting in insufficient joint strength
24V-478 Jun 26, 2024
Audible emergency warning alarm sounds may not activate when the emergency hatch or window is open
23V-843 Dec 13, 2023
Rear interior joint between the bulkhead and window panel may have been manufactured incorrectly, resulting in insufficient joint strength
23V-669 Oct 3, 2023
Fasteners for the emergency exit door may loosen and detach, which can allow the emergency exit door to open unexpectedly
23V-333 May 9, 2023
Rear interior joint may have been manufactured incorrectly, resulting in insufficient joint strength