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Manufacturer recall number

Thomas Built Buses recall F1023

Thomas Built Buses calls it F1023. NHTSA filed it as campaign 25V602000 on Sep 11, 2025: service brakes, air on the 2025–2026 Thomas Built Buses SAF-T-Liner C2 and 1 other Thomas Built Buses model, 36 vehicles potentially affected. One recall, two numbers — the dealer quotes the manufacturer’s, the federal record carries NHTSA’s.

What NHTSA has under this number

Source: 49 CFR Part 573 filings
NHTSA campaignVehiclesComponentFiledAffectedSeverity
25V6020002025–2026 Thomas Built Buses SAF-T-Liner C2 and 1 other Thomas Built Buses modelService Brakes, AirSep 11, 202536high
Problem Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2025-2026 Saf-T-Liner C2 and Saf-T-Liner C2 Jouley school buses. The brake caliper mounting bolts may loosen and detach, which can cause a loss of brake function and damage the tire and/or wheel. Risk A loss of brake function can increase the risk of a crash. In addition, a damaged wheel or tire can lead to a loss of vehicle control, increasing the risk of a crash. Fix Dealers will inspect and replace or tighten the brake caliper mounting bolts, as necessary, free of charge. Owner notification letters were mailed November 10, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1023.

The manufacturer’s own words as filed for 25V602000. Every model year it covers, the build window and the filed PDFs →

Two numbers, one recall

Every safety recall carries two identifiers. F1023 is the number Thomas Built Buses assigned in its own system: it is what appears on the owner letter, on the dealer’s service screen and on the repair order. 25V602000 is the number NHTSA filed the same recall under when the manufacturer reported it, and it is the one every federal record, this site included, is keyed on.

The repair is free by federal law for vehicles up to fifteen years old. Whether one particular vehicle is included is settled by its VIN against the manufacturer’s build list, not by its model year.

Check one specific vehicle

Both lookups check a VIN against the manufacturer’s own list and say whether the repair is still outstanding on that vehicle.

Common questions

Source: NHTSA, 49 CFR Part 573

Is F1023 the same recall as 25V602000?

Yes. F1023 is Thomas Built Buses’s own number for it; 25V602000 is NHTSA’s. One recall, two references.

Which vehicles does F1023 cover?

2025–2026 Thomas Built Buses SAF-T-Liner C2 and 1 other Thomas Built Buses model, 36 vehicles by the manufacturer’s count. A recall covers a build range, so the VIN decides whether one particular vehicle is in it.

Does the F1023 repair cost anything?

No. The manufacturer must remedy a safety defect at no charge for vehicles up to 15 years old from first sale.