01 / OFFICIAL CAMPAIGNS
2024 Thomas Built Buses Saf-T-Liner C2 recall campaigns
NHTSA 26V523000
- Component
- FUEL SYSTEM, DIESEL
- Report received
- August 10, 2026
- Potential units
- 160campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 transit buses. The fuel tank cage material and fuel system mounting may be incompatible. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 301, "Fuel System Integrity.".
Why it matters: During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.
Remedy
Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters are expected to be mailed October 9, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
Owner notification: Date not reported · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 26V522000
- Component
- FUEL SYSTEM, DIESEL
- Report received
- August 10, 2026
- Potential units
- 22,778campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2027 Thomas Built Buses Saf-T-Liner C2 school buses. The fuel tank cage material and fuel system mounting may be incompatible. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 301, "Fuel System Integrity.".
Why it matters: During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.
Remedy
Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters are expected to be mailed October 9, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.
Owner notification: Date not reported · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 26V228000
- Component
- EXTERIOR LIGHTING
- Report received
- April 9, 2026
- Potential units
- 3,285campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2024-2027 Saf-T-Liner C2 school buses. The vehicle's software may misinterpret contact if the door switch is bumped, deactivating the amber and red warning lights and the stop sign arm.
Why it matters: Warning lights and a stop sign arm that fail to activate will not warn other drivers the school bus is slowing down, increasing the risk of a crash or injury.
Remedy
Dealers will update the amber and red warning light software, free of charge. Owner notification letters were mailed June 2, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1032.
Owner notification: June 1, 2026 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 24V569000
- Component
- ELECTRICAL SYSTEM
- Report received
- August 1, 2024
- Potential units
- 629campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2024-2025 Saf-T-Liner C2 and Saf-T-Liner C2 Jouley school buses. The ground cable for the air conditioning system may have been improperly installed and overheat.
Why it matters: An overheated ground cable can increase the risk of a fire.
Remedy
Dealers will inspect and repair the ground cable connection, free of charge. Owner notification letters were mailed September 11, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA's number for this recall is F1008.
Owner notification: September 11, 2024 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 24V478000
- Component
- STRUCTURE
- Report received
- June 26, 2024
- Potential units
- 162campaign-wide
Defect and consequence
Defect: 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.".
Why it matters: 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.
Owner notification: August 22, 2024 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 24V401000
- Component
- STEERING
- Report received
- June 4, 2024
- Potential units
- 27campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Thomas Built Buses Saf-T-Liner C2 and 2025 Thomas Built Buses Safe-T-Liner EFX school buses. The front axle tie rod ball joint studs may crack and break, which can result in tie rod separation.
Why it matters: Tie rod separation can cause a sudden loss of steering control and increase the risk of a crash.
Remedy
Dealers will replace the tie rod assembly, free of charge. Owner notification letters were mailed July 25, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA's number for this recall is D24R6.
Owner notification: July 25, 2024 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 24V336000
- Component
- PARKING BRAKE
- Report received
- May 14, 2024
- Potential units
- 398campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Thomas Built SAF-T-Liner C2 and SAF-T-Liner C2 Jouley school buses. The rubber ball seal in the Intellipark Park Valve Modules (PVM) may fracture and cause a leak, which can result in park brake failure or unexpected park brake engagement while driving.
Why it matters: Park brake failure or unexpected park brake engagement while driving increases the risk of a crash.
Remedy
Dealers will replace the Intellipark PVM, free of charge. Owner notification letters were mailed August 2, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1000.
Owner notification: August 2, 2024 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 23V843000
- Component
- STRUCTURE
- Report received
- December 13, 2023
- Potential units
- 321campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Thomas Built SAF-T-LINER C2 and 2024 Thomas Built SAF-T-LINER C2 Jouley school buses. A rear interior joint between the bulkhead and window panel may have been manufactured incorrectly, resulting in insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength.".
Why it matters: A school bus with insufficient joint strength may not adequately protect passengers in the event of a crash, increasing the risk of injury.
Remedy
Dealers will add additional mechanical fasteners to secure the joints, free of charge. Owner notification letters were mailed January 26, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL986.
Owner notification: January 26, 2024 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 23V670000
- Component
- STRUCTURE
- Report received
- October 3, 2023
- Potential units
- 173campaign-wide
Defect and consequence
Defect: 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.
Why it matters: 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.
Owner notification: December 1, 2023 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 23V669000
- Component
- STRUCTURE
- Report received
- October 3, 2023
- Potential units
- 20,668campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC. (DTNA) is recalling certain 2019-2024 Thomas Built SAF-T-LINER C2 and 2020-2024 Thomas Built SAF-T-Liner Jouley school buses. The fasteners for the emergency exit door may loosen and detach, which can allow the emergency exit door to open unexpectedly.
Why it matters: 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.
Owner notification: December 1, 2023 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 23V621000
- Component
- ELECTRICAL SYSTEM
- Report received
- September 6, 2023
- Potential units
- 679campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024 Thomas Built Buses SAF-T-Liner C2 school buses. The electrical cables for the air conditioning (AC) may not be installed properly, which can allow the electrical connection to overheat.
Why it matters: An overheated electrical connection increases the risk of a fire.
Remedy
Dealers will inspect and tighten the electrical cables, as necessary, free of charge. Owner notification letters were mailed October 19, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL981.
Owner notification: October 19, 2023 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 23V333000
- Component
- STRUCTURE
- Report received
- May 9, 2023
- Potential units
- 23,590campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2024 Thomas Built SAF-T-LINER C2 and 2021-2023 Thomas Built SAF-T-LINER C2 Jouley school buses. A rear interior joint may have been manufactured incorrectly, resulting in insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength.".
Why it matters: A school bus with insufficient joint strength may not adequately protect passengers in the event of a crash, increasing the risk of injury.
Remedy
Dealers will add additional fasteners to secure the joints, free of charge. Owner notification letters were mailed December 19, 2023. Owners may contact DTNA customer service at 1-800-574-0712. DTNA's number for this recall is FL973.
Owner notification: December 19, 2023 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 23V330000
- Component
- STRUCTURE
- Report received
- May 8, 2023
- Potential units
- 146campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2024 Thomas Built SAF-T-LINER C2 school buses. A rear exterior joint may have been manufactured incorrectly, resulting in insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength.".
Why it matters: A school bus with insufficient joint strength may not adequately protect passengers in the event of a crash, increasing the risk of injury.
Remedy
Dealers will add additional fasteners to secure the joints, free of charge. Owner notification letters were mailed June 29, 2023. Owners may contact DTNA customer service at 1-800-574-0712. DTNA's number for this recall is FL972.
Owner notification: June 29, 2023 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 23V259000
- Component
- STEERING
- Report received
- April 7, 2023
- Potential units
- 48campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Buses SAF-T-LINER SAF-T-LINER C2 Jouley, Thomas Built Buses SAF-T-LINER EFX, Thomas Built Buses SAF-T-Liner HDX, Thomas Built Buses Chassis and 2023-2024 School Bus Chassis school buses. The tie rod may be missing a fastener, allowing the steer arm to detach.
Why it matters: A detached steering arm can result in a sudden loss of steering control, increasing the risk of a crash.
Remedy
DTNA will inspect and repair or replace the tie rod assembly as necessary, free of charge. Owner notification letters were mailed August 11, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL970.
Owner notification: August 11, 2023 · Filing manufacturer: Daimler Trucks North America, LLC
02 / COMPONENT BREADTH