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Thomas Built Buses Saf-T-Liner C2 Recall 24V478: School Bus Exit Alarm May Not Sound When Hatch Is Open

NHTSA campaign 24V478, reported June 26, 2024, 162 vehicles potentially affected.

What this recall means for you

Certain school buses may have an emergency warning alarm that does not sound when an emergency hatch or window is open. This means the driver may not be alerted that an emergency exit is open, which fails to meet federal bus emergency exit requirements and can increase the risk of injury in a crash.

Dealers will update the emergency sound software at no cost to the owner. Owner notification letters were mailed August 22, 2024. You can contact Daimler Trucks North America customer service at 1-800-547-0712, referencing recall number F1004. Check your vehicle identification number (VIN) for open recalls to confirm whether your bus is affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V478Daimler Trucks North America, LLC
Component
STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT
Problem
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."
Risk
An inaudible alarm that fails to warn the driver of an open emergency exit can increase the risk of injury in a crash.
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.

Affected vehicles

Thomas Built Buses Saf-T-Liner C2202320242025
Thomas Built Buses Saf-T-Liner C2 Jouley20242025