{
  "owners": null,
  "title": "Thomas Built Buses recall 21V850 (FL904): 2020-2022 Thomas Built EFX and HDX School Buses",
  "url": "https://carsmultiverse.com/recall/21v850/",
  "summary": "Recall 21V850 (Thomas Built Buses): A loose power cable connection may cause electrical arcing, which can increase the risk of a fire.",
  "excerpt": "Thomas Built Buses Saf-T-Liner Efx, Thomas Built Buses Saf-T-Liner Hdx, model years 2020 to 2022. Filed by Daimler Trucks North America, LLC and reported to NHTSA on 2 November 2021. 1,434 vehicles potentially affected. What the notice says Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Thomas Built EFX and HDX school buses. The nut for the power cable stud on the alternator may not have been tightened properly, which can cause a loose cable connection. 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: FL904. That is the number on the owner letter and on the dealer paperwork. 21V850 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: “A loose power cable connection may cause electrical arcing, which can increase the risk of a fire.” 21V850 Daimler Trucks North America, LLC Electrical System:Alternator/Generator/Regulator 2 November 2021 2020-2022 THOMAS BUILT BUSES SAF-T-LINER EFX, THOMAS BUILT BUSES SAF-T-LINER HDX A loose power cable connection may cause electrical arcing, wh",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T22:09:34+00:00",
  "dateModified": "2026-09-16T20:12:03+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Thomas Built Buses recall 21V850 (FL904): 2020-2022 Thomas Built EFX and HDX School Buses\", https://carsmultiverse.com/recall/21v850/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}