NHTSA campaign 24V478000 · Manufacturer campaign F1004

Thomas Built Buses Recall 24V-478: No Alarm When Emergency Exit is Opened/FMVSS 217

NHTSA recall 24V478000 (Manufacturer campaign F1004) was reported by Daimler Trucks North America, LLC on June 26, 2024, with 162 vehicles potentially affected (per NHTSA). NHTSA's record lists the Thomas Built Buses SAF-T-Liner C2 and Thomas Built Buses SAF-T-Liner C2 Jouley for model years 2023–2025. Owners were notified on August 22, 2024, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 24V478000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
24V478000 (also written 24V-478 or 24V478)
Filed by
Daimler Trucks North America, LLC
Manufacturer campaign number
F1004
Report received
Potentially affected
162 vehicles (per NHTSA)
Component
Structure — Emergency — Escape/Egress/Exit
Owners notified
Safety standard
FMVSS 217

Repair completion: 57.41% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 24V478000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Thomas Built Buses

  • Thomas Built Buses SAF-T-Liner C2

    • 2023, 2024, 2025 · Vehicles built October 25, 2022 – December 21, 2023 (per NHTSA)
  • Thomas Built Buses SAF-T-Liner C2 Jouley

    • 2024, 2025 · Vehicles built May 25, 2023 – March 14, 2024 (per NHTSA)
All Thomas Built Buses recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 24V478000.

Defect description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2023-2025 Thomas Built Buses Saf-T-Liner C2 and 2024-2025 Thomas Built Buses Saf-T-Liner C2 Jouley school buses. The audible emergency warning alarm sounds may not activate when the emergency hatch or window is open. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 217, "Bus Emergency Exits and Window Retention and Release."

Safety consequence

An inaudible alarm that fails to warn the driver of an open emergency exit can increase the risk of injury in a crash.

Manufacturer remedy

Dealers will update the emergency sound software, free of charge. Owner notification letters were mailed August 22, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1004.

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.

Sources

Official NHTSA notice for recall 24V478000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.