{
  "owners": null,
  "title": "Porsche recall 21V271 (AMA9): Porsche Cayenne (2021)",
  "url": "https://carsmultiverse.com/recall/21v271/",
  "summary": "Recall 21V271 (Porsche): A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.",
  "excerpt": "Porsche Cayenne, model year 2021. Filed by Porsche Cars North America, Inc. and reported to NHTSA on 21 April 2021. 1,568 vehicles potentially affected. What the notice says Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Cayenne, Cayenne S, Cayenne Turbo, Cayenne GTS, Cayenne Coupe, Cayenne S Coupe, Cayenne Turbo Coupe, and Cayenne GTS Coupe vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion. 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 Porsche's own number for this recall: AMA9. That is the number on the owner letter and on the dealer paperwork. 21V271 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 broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.” 21V271 Porsche Cars North America, Inc. Suspension:Rear:Axle:Non-Powered Axle Assembly 21 April 2021 2021-2021 PORSCHE CAYENNE A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash. Porsche will notify owners, and dealers",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:48:02+00:00",
  "dateModified": "2026-09-16T19:13:23+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Porsche recall 21V271 (AMA9): Porsche Cayenne (2021)\", https://carsmultiverse.com/recall/21v271/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}