{
  "owners": null,
  "title": "Thomas Built Buses recall 22V553 (FL-949): Thomas Built Buses Saf-T-Liner C2, Thomas Built Buses Saf-T-Liner HDX (2023)",
  "url": "https://carsmultiverse.com/recall/22v553/",
  "summary": "Recall 22V553 (Thomas Built Buses): Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation proced...",
  "excerpt": "Thomas Built Buses Saf-T-Liner C2, Thomas Built Buses Saf-T-Liner Hdx, model year 2023. Filed by Daimler Trucks North America, LLC and reported to NHTSA on 29 July 2022. 71 vehicles potentially affected. What the notice says 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. 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: FL-949. That is the number on the owner letter and on the dealer paperwork. 22V553 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: “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.” 22V553 Daimler Trucks North America, LLC Engine And Engine Cooling:Engine:Engine Control Module (ECU/ECM) 29 July 2022 2023-2023 THOM",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T22:42:56+00:00",
  "dateModified": "2026-09-16T21:31:15+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Thomas Built Buses recall 22V553 (FL-949): Thomas Built Buses Saf-T-Liner C2, Thomas Built Buses Saf-T-Liner HDX (2023)\", https://carsmultiverse.com/recall/22v553/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}