{
  "owners": null,
  "title": "Thomas Built Buses recall 22V510 (FL946): Thomas Built Buses Saf-T-Liner Efx, Thomas Built Buses Saf-T-Liner HDX (2014 to 2023)",
  "url": "https://carsmultiverse.com/recall/22v510/",
  "summary": "Recall 22V510 (Thomas Built Buses): Cracked passenger seat frames may not adequately secure passengers in the event of a crash, increasing the risk of injury.",
  "excerpt": "Thomas Built Buses Saf-T-Liner Efx, Thomas Built Buses Saf-T-Liner Hdx, model years 2014 to 2023. Filed by Daimler Trucks North America, LLC and reported to NHTSA on 19 July 2022. 1,806 vehicles potentially affected. What the notice says 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. Is your vehicle included? Check with your VIN at NHTSA , or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on. CarsMultiverse / Recalls Thomas Built Buses's own number for this recall: FL946. That is the number on the owner letter and on the dealer paperwork. 22V510 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways. Answered from the register this site holds. NHTSA is the record to act on. What the authority says can happen if this is not fixed: “Cracked passenger seat frames may not adequately secure passengers in the event of a crash, increasing the risk of injury.” 22V510 Daimler Trucks North America, LLC Seats 19 July 2022 2014-2023 THOMAS BUILT BUSES SAF-T-LINER EFX, THOMAS BUILT BUSES SAF-T-LINER HDX Cracked passenger seat frames may not adequately secure passengers in the event ",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T22:39:44+00:00",
  "dateModified": "2026-09-16T21:28:36+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Thomas Built Buses recall 22V510 (FL946): Thomas Built Buses Saf-T-Liner Efx, Thomas Built Buses Saf-T-Liner HDX (2014 to 2023)\", https://carsmultiverse.com/recall/22v510/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}