{
  "owners": null,
  "title": "GM recall 21V423 (N212336230): 2019 Chevrolet Silverado 1500 and GMC Sierra 1500",
  "url": "https://carsmultiverse.com/recall/21v423/",
  "summary": "Recall 21V423 (General Motors): Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could...",
  "excerpt": "Chevrolet Silverado 1500, Gmc Sierra 1500, model year 2019. Filed by General Motors, LLC and reported to NHTSA on 3 June 2021. 896 vehicles potentially affected. What the notice says General Motors, LLC (GM) is recalling certain 2019 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. The affected tires were cured for too long during production. 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 General Motors's own number for this recall: N212336230. That is the number on the owner letter and on the dealer paperwork. 21V423 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: “Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.” 21V423 General Motors, LLC Tires 3 June 2021 2019-2019 CHEVROLET SILVERADO 1500, GMC SIERRA 1500 Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Ei",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:51:32+00:00",
  "dateModified": "2026-09-16T19:24:02+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"GM recall 21V423 (N212336230): 2019 Chevrolet Silverado 1500 and GMC Sierra 1500\", https://carsmultiverse.com/recall/21v423/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}