{
  "owners": null,
  "title": "GM recall 21V346 (N202325530): 2019-2020 Chevrolet 6500HD",
  "url": "https://carsmultiverse.com/recall/21v346/",
  "summary": "Recall 21V346 (General Motors): Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.",
  "excerpt": "Chevrolet Silverado 6500hd, model years 2019 to 2020. Filed by General Motors, LLC and reported to NHTSA on 13 May 2021. 196 vehicles potentially affected. What the notice says General Motors, LLC (GM) is recalling certain 2019-2020 Chevrolet 6500HD vehicles. The engine control module (ECM) was calibrated incorrectly, allowing the vehicle to exceed the tires' maximum speed rating of 75 mph. 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: N202325530. That is the number on the owner letter and on the dealer paperwork. 21V346 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: “Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.” 21V346 General Motors, LLC Engine And Engine Cooling:Engine:Engine Control Module (ECU/ECM):Software 13 May 2021 2019-2020 CHEVROLET SILVERADO 6500HD Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash. Dealers will update the ECM software, free of charge. Ow",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:48:41+00:00",
  "dateModified": "2026-09-16T19:22:28+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"GM recall 21V346 (N202325530): 2019-2020 Chevrolet 6500HD\", https://carsmultiverse.com/recall/21v346/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}