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2023 Thomas Built Buses Saf-T-Liner Hdx — federal recalls on file

8 federal recalls reported for the 2023 Thomas Built Buses Saf-T-Liner Hdx

These are federal recalls reported for the 2023 Thomas Built Buses Saf-T-Liner Hdx. A recall may apply only to certain VIN ranges or production windows. To confirm whether your specific VIN is in the affected window, use NHTSA's official per-VIN lookup or enter your VIN on our check page.

26V-086 Open recall Feb 13, 2026

Daimler Trucks North America, LLC

ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2026 Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.

Risk: Contact with hot heating coolant may burn occupants, increasing the risk of injury.

Remedy: Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1030. The repair is free at any franchised dealer of your brand.

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26V-087 Open recall Feb 13, 2026

Daimler Trucks North America, LLC

ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2025 Saf-T-Liner EFX and 2023-2026 Saf-T-Liner HDX vehicles. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.

Risk: Contact with hot heating coolant may burn occupants, increasing the risk of injury.

Remedy: Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1030. The repair is free at any franchised dealer of your brand.

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22V-762 Open recall Oct 12, 2022

Daimler Trucks North America, LLC

STRUCTURE:BODY:ROOF AND PILLARS

Daimler Trucks North America, LLC (DTNA) is recalling certain 2011-2023 Thomas Built EFX and HDX school buses. The exterior roof panel was manufactured with 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 exterior roof panel with insufficient joint strength may separate during 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 June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL957. The repair is free at any franchised dealer of your brand.

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22V-688 Open recall Sep 14, 2022

Daimler Trucks North America, LLC

STRUCTURE:BODY

Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2023 Thomas Built Saf-T-Liner HDX school buses. The rear exterior side-body panel was manufactured with 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 panel with insufficient joint strength may separate during 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 November 11, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall FL953. The repair is free at any franchised dealer of your brand.

Reference campaign 22V688000 with your dealer.

22V-553 Open recall Jul 29, 2022

Daimler Trucks North America, LLC

ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Saf-T-Liner HDX and Saf-T-Liner C2 school buses. The engine control module (ECM) may experience an internal short-circuit, which can result in an unexpected engine shut down.

Risk: Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

Remedy: Cummins will replace the ECM, free of charge. Owner notification letters are expected to be mailed September 26, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-949. The repair is free at any franchised dealer of your brand.

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22V-510 Open recall Jul 19, 2022

Daimler Trucks North America, LLC

SEATS, SEATS:MID/REAR ASSEMBLY

Daimler Trucks North America, LLC (DTNA) is recalling certain 2014-23 Thomas Built Buses HDX and 2014-22 EFX school buses equipped with 39-inch S3C seat frames and 3-point flex seatbelts. The passenger seat frames may crack and rotate from fatigue.

Risk: Cracked passenger seat frames may not adequately secure passengers in the event of a crash, increasing the risk of injury.

Remedy: Dealers will secure the seat frames with brackets, free of charge. Owner notification letters were mail December 4, 2023. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL946. The repair is free at any franchised dealer of your brand.

Reference campaign 22V510000 with your dealer.

22V-271 Open recall Apr 22, 2022

Daimler Trucks North America, LLC

ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2023 Thomas Built Bus HDX school buses. The positive battery cable may be routed improperly, allowing it to chafe against the transmission oil cooler hoses, which can cause an electrical short circuit.

Risk: An electrical short circuit can increase the risk of a fire.

Remedy: Dealers will inspect and repair the cable routing, as necessary, free of charge. Owner notification letters were mailed January 20, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL928. The repair is free at any franchised dealer of your brand.

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22V-272 Open recall Apr 22, 2022

Daimler Trucks North America, LLC

ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2023 Thomas Built Bus HDX commercial buses. The positive battery cable may be routed improperly, allowing it to chafe against the transmission oil cooler hoses, which can cause an electrical short circuit.

Risk: An electrical short circuit can increase the risk of a fire.

Remedy: Dealers will inspect and repair the cable routing, as necessary, free of charge. Owner notification letters were mailed January 20, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL929. The repair is free at any franchised dealer of your brand.

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