Campaign 26V-522

Fuel tank cage material and fuel system mounting may be incompatible

Defect summary

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."

Consequence

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 were mailed September 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1037.

Source: NHTSA ODI recalls file, campaign 26V522000. Text as published by NHTSA.

Vehicles covered

One product line is covered

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

Vehicles covered by campaign 26V-522
Make	Model	Model years	Complaints on this component
Thomas Built Buses	Saf-T-Liner C2	2024 to 2027	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

No service bulletins on this component preceded the recall

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-523 Aug 10, 2026
Fuel tank cage material and fuel system mounting may be incompatible
25V-440 Jun 27, 2025
Compressed natural gas fuel line was routed incorrectly, allowing it to chafe and damage wiring harnesses and brake lines
25V-038 Jan 28, 2025
Remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall
24V-736 Oct 1, 2024
Fuel pump barrels may fracture and cause a fuel leak, which can result in an engine stall
24V-420 Jun 6, 2024
Remote fuel filter hoses may become separated from the fittings, which can result in a fuel leak and a lack of fuel supply to the engine
21V-965 Dec 13, 2021
Fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may fatigue and crack, which can result in a high pressure…