{
  "owners": null,
  "title": "Porsche recall 21V341 (AMB1): 2021 Cayenne Turbo, Cayenne GTS, and Cayenne GTS Coupe",
  "url": "https://carsmultiverse.com/recall/21v341/",
  "summary": "Recall 21V341 (Porsche): Cracks may cause engine damage and a stall or an oil leak, increasing the risk of a crash or fire. Porsche's own number: AMB1.",
  "excerpt": "Porsche Cayenne Gts, model year 2021. Filed by Porsche Cars North America, Inc. and reported to NHTSA on 12 May 2021. 12 vehicles potentially affected. What the notice says Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Cayenne Turbo, Cayenne GTS, and Cayenne GTS Coupe vehicles. Cracks may develop on the surface of the engine cylinder bore. 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: AMB1. That is the number on the owner letter and on the dealer paperwork. 21V341 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: “Cracks may cause engine damage and a stall or an oil leak, increasing the risk of a crash or fire.” 21V341 Porsche Cars North America, Inc. Engine 12 May 2021 2021-2021 PORSCHE CAYENNE GTS Cracks may cause engine damage and a stall or an oil leak, increasing the risk of a crash or fire. Dealers will replace the engine, free of charge. Owner notification letters were mailed July 9, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this ",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:48:39+00:00",
  "dateModified": "2026-09-16T19:17:36+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Porsche recall 21V341 (AMB1): 2021 Cayenne Turbo, Cayenne GTS, and Cayenne GTS Coupe\", https://carsmultiverse.com/recall/21v341/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}