AutoDefect IQ

2024 Thomas Built Buses Saf-T-Liner C2 problems, complaints & recalls

0
Complaints
14
Recalls
49
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (14)

Fuel System, Diesel:storage:tank Assembly 2026-08-10 · campaign 26V522000 · 22,778 vehicles

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."

Risk: During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.

Fix: Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters were mailed September 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.

Fuel System, Diesel:storage:tank Assembly 2026-08-10 · campaign 26V523000 · 160 vehicles

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."

Risk: During a crash, an incompatible fuel tank cage and fuel system may result in a fuel leak, increasing the risk of a fire.

Fix: Dealers will reconfigure components to accommodate the existing fuel tank cage, free of charge. Owner notification letters were mailed September 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.

Exterior Lighting:hazard Flashing Warning Lights 2026-04-09 · campaign 26V228000 · 3,285 vehicles

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.

Risk: 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.

Fix: 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.

Electrical System:wiring 2024-08-01 · campaign 24V569000 · 629 vehicles

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.

Risk: An overheated ground cable can increase the risk of a fire.

Fix: 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.

Structure:emergency:escape/Egress/Exit 2024-06-26 · campaign 24V478000 · 162 vehicles

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."

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

Fix: 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.

Steering:linkages:tie Rod Assembly 2024-06-04 · campaign 24V401000 · 27 vehicles

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.

Risk: Tie rod separation can cause a sudden loss of steering control and increase the risk of a crash.

Fix: 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.

Parking Brake 2024-05-14 · campaign 24V336000 · 398 vehicles

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.

Risk: Park brake failure or unexpected park brake engagement while driving increases the risk of a crash.

Fix: 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.

Structure:body 2023-12-13 · campaign 23V843000 · 321 vehicles

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."

Risk: A school bus with insufficient joint strength may not adequately protect passengers in the event of a crash, increasing the risk of injury.

Fix: 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.

Structure:emergency:escape/Egress/Exit:latching/Release System 2023-10-03 · campaign 23V669000 · 20,668 vehicles

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.

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

Fix: 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.

Structure:emergency:escape/Egress/Exit:latching/Release System 2023-10-03 · campaign 23V670000 · 173 vehicles

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.

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

Fix: 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.

Electrical System 2023-09-06 · campaign 23V621000 · 679 vehicles

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.

Risk: An overheated electrical connection increases the risk of a fire.

Fix: 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.

Structure:body 2023-05-09 · campaign 23V333000 · 23,590 vehicles

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."

Risk: A school bus with insufficient joint strength may not adequately protect passengers in the event of a crash, increasing the risk of injury.

Fix: 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.

Structure:body 2023-05-08 · campaign 23V330000 · 146 vehicles

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."

Risk: A school bus with insufficient joint strength may not adequately protect passengers in the event of a crash, increasing the risk of injury.

Fix: 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.

Steering:linkages:tie Rod Assembly 2023-04-07 · campaign 23V259000 · 48 vehicles

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.

Risk: A detached steering arm can result in a sudden loss of steering control, increasing the risk of a crash.

Fix: 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.

Service bulletins (49)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Engine 2026-07-17 · CXA 07_25_F1011,F1015 Lbl · Other

cx advocate for lost/damaged replacement f1011/f1015 labels

Visibility/Wiper 2026-05-01 · SS 583814 · Other

service solution for a22-82459-000 wiper motor wiring connector pinned wrong (305)

Engine 2025-12-11 · FleetCom_Heater Core · Other

fleet communications for heater core plugging

Engine 2025-11-25 · FL997-DLR LTR · Emissions

revised emission recall for fccc clean idle label

Engine 2025-11-25 · FL997-Bulletin · Emissions

revised emission recall for fccc clean idle label

Engine 2025-11-14 · F1011-DLR LTR · Emissions

revised emissions recall for ghg label emissions recall

Showing the 6 most recent of 49 bulletins. Search all of them free at nhtsa.gov.

What owners report

No detailed complaint narratives on file.

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Thomas Built Buses Saf-T-Liner C2 years