{
  "owners": null,
  "title": "Tesla recall 21V846 (SB-21-00-004): 2017-2021 Model S, Model 3, Model X, and 2020-2021 Model Y",
  "url": "https://carsmultiverse.com/recall/21v846/",
  "summary": "Recall 21V846 (Tesla): Unexpected activation of the AEB system may cause the car to stop suddenly, increasing the risk of a crash.",
  "excerpt": "Tesla Model 3, Tesla Model S, Tesla Model X, Tesla Model Y, model years 2017 to 2021. Filed by Tesla, Inc. and reported to NHTSA on 29 October 2021. 11,728 vehicles potentially affected. What the notice says Tesla, Inc. (Tesla) is recalling certain 2017-2021 Model S, Model 3, Model X, and 2020-2021 Model Y vehicles operating software version 2021.36.5.2. A communication error may cause false forward-collision warning (FCW) or unexpected activation of the automatic emergency brake (AEB) system. 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 Tesla's own number for this recall: SB-21-00-004. That is the number on the owner letter and on the dealer paperwork. 21V846 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 activation of the AEB system may cause the car to stop suddenly, increasing the risk of a crash.” 21V846 Tesla, Inc. Forward Collision Avoidance:Sensing System:Camera 29 October 2021 2017-2021 TESLA MODEL 3, TESLA MODEL S, TESLA MODEL X, TESLA MODEL Y This is not an ordinary campaign. The remedy is delivered over the air . The",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T22:09:31+00:00",
  "dateModified": "2026-09-16T20:12:03+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Tesla recall 21V846 (SB-21-00-004): 2017-2021 Model S, Model 3, Model X, and 2020-2021 Model Y\", https://carsmultiverse.com/recall/21v846/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}