{
  "owners": null,
  "title": "GM recall 21V578 (N212329780): 2020-2021 Chevrolet Silverado 2500 and GMC Sierra 2500",
  "url": "https://carsmultiverse.com/recall/21v578/",
  "summary": "Recall 21V578 (General Motors): An ABS system that cannot control the rear wheels independently increases the risk of a crash.",
  "excerpt": "Chevrolet Silverado 2500, Gmc Sierra 2500, model years 2020 to 2021. Filed by General Motors, LLC and reported to NHTSA on 29 July 2021. 86 vehicles potentially affected. What the notice says General Motors, LLC. (GM) is recalling certain 2020-2021 Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with a 17\" spare tire (RPO ZHQ or ZXT) and either the 20\" accessory road tire (RPO REM) or the 18\" accessory road tire (RPO Q2V). Operating the spare tire with other 20\" or 18\" tires can prevent the … 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: N212329780. That is the number on the owner letter and on the dealer paperwork. 21V578 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: “An ABS system that cannot control the rear wheels independently increases the risk of a crash.” 21V578 General Motors, LLC Tires:Temporary/Emergency Spare Tire 29 July 2021 2020-2021 CHEVROLET SILVERADO 2500, GMC SIERRA 2500 An ABS system that cannot control the rear wheels independently increases the risk of a crash",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:57:13+00:00",
  "dateModified": "2026-09-16T19:42:00+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"GM recall 21V578 (N212329780): 2020-2021 Chevrolet Silverado 2500 and GMC Sierra 2500\", https://carsmultiverse.com/recall/21v578/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}