{
  "owners": null,
  "title": "American Honda Co recall 18V921 (A3O): 2017-2018 Clarity Fuel Cell",
  "url": "https://carsmultiverse.com/recall/18v921/",
  "summary": "Recall 18V921 (Honda): A loss of power can increase the risk of a crash. Honda's own number: A3O.",
  "excerpt": "Honda Clarity Fuel Cell, model years 2017 to 2018. Filed by Honda (American Honda Motor Co.) and reported to NHTSA on 20 December 2018. 1,082 vehicles potentially affected. What the notice says Honda (American Honda Motor Co.) is recalling certain 2017-2018 Clarity Fuel Cell vehicles previously repaired under recall 18V-068. The previous software remedy may have been incomplete. As a result, the fuel cell control unit (FC-ECU) may misinterpret a small cell voltage drop, causing the vehicle to have a partial … 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 Honda's own number for this recall: A3O. That is the number on the owner letter and on the dealer paperwork. 18V921 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 loss of power can increase the risk of a crash.” 18V921 Honda (American Honda Motor Co.) Electrical System:Software 20 December 2018 2017-2018 HONDA CLARITY FUEL CELL A loss of power can increase the risk of a crash. Honda has notified owners, and dealers will update the FC-ECU software, free of charge. The recall began February",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T20:06:41+00:00",
  "dateModified": "2026-09-16T15:22:28+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"American Honda Co recall 18V921 (A3O): 2017-2018 Clarity Fuel Cell\", https://carsmultiverse.com/recall/18v921/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}