{
  "owners": null,
  "title": "Mack recall 21V233 (SC0423): Mack Anthem (An), Mack Granite (GR), Mack Granite (Gu) and 3 more (2018 to 2022)",
  "url": "https://carsmultiverse.com/recall/21v233/",
  "summary": "Recall 21V233 (Mack): A vehicle that drifts out of its lane increases the risk of a crash. Mack's own number: SC0423.",
  "excerpt": "Mack Anthem (An), Mack Granite (Gr), Mack Granite (Gu), Mack Pinnacle (Chu), Mack Pinnacle (Cxu), Mack Pinnacle (Pi), model years 2018 to 2022. Filed by Mack Trucks, Inc. and reported to NHTSA on 1 April 2021. 557 vehicles potentially affected. What the notice says Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with \"camelback\" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of … 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 Mack's own number for this recall: SC0423. That is the number on the owner letter and on the dealer paperwork. 21V233 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 vehicle that drifts out of its lane increases the risk of a crash.” 21V233 Mack Trucks, Inc. Electronic Stability Control (ESC):Control Module:Software 1 April 2021 2018-2022 MACK ANTHEM (AN), MACK GRANITE (GR), MACK GRANITE (GU), MACK PINNACLE (CHU), MAC",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:42:21+00:00",
  "dateModified": "2026-09-16T19:06:49+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Mack recall 21V233 (SC0423): Mack Anthem (An), Mack Granite (GR), Mack Granite (Gu) and 3 more (2018 to 2022)\", https://carsmultiverse.com/recall/21v233/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}