{
  "owners": null,
  "title": "Toyota recall 21V734 (21TB07 / 21TA07): 2022 Prius and Prius Prime",
  "url": "https://carsmultiverse.com/recall/21v734/",
  "summary": "Recall 21V734 (Toyota): A loss of drive power increases the risk of a crash. Toyota's own number: 21TB07 / 21TA07.",
  "excerpt": "Toyota Prius, Toyota Prius Prime, model year 2022. Filed by Toyota Motor Engineering & Manufacturing and reported to NHTSA on 22 September 2021. 8,411 vehicles potentially affected. What the notice says Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022 Prius and Prius Prime vehicles. The Engine Control Unit (ECU) software may falsely detect an error and shut down the hybrid system, causing a loss of drive power. 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 Toyota's own number for this recall: 21TB07 / 21TA07. That is the number on the owner letter and on the dealer paperwork. 21V734 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 drive power increases the risk of a crash.” 21V734 Toyota Motor Engineering & Manufacturing Engine And Engine Cooling:Engine:Engine Control Module (ECU/ECM):Software 22 September 2021 2022-2022 TOYOTA PRIUS, TOYOTA PRIUS PRIME A loss of drive power increases the risk of a crash. Dealers will update the ECU software, free of charge. Owner notification letters were mailed November ",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T22:03:05+00:00",
  "dateModified": "2026-09-16T19:58:23+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Toyota recall 21V734 (21TB07 / 21TA07): 2022 Prius and Prius Prime\", https://carsmultiverse.com/recall/21v734/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}