{
  "owners": null,
  "title": "Mack recall 22V606 (SC0438): 2023 MD6/7 Trucks",
  "url": "https://carsmultiverse.com/recall/22v606/",
  "summary": "Recall 22V606 (Mack): An unexpected engine shut down can increase the risk of a crash. Mack's own number: SC0438.",
  "excerpt": "Mack Md, model year 2023. Filed by Mack Trucks, Inc. and reported to NHTSA on 9 August 2022. 150 vehicles potentially affected. What the notice says Mack Trucks, Inc. (Mack) is recalling certain 2023 MD6/7 trucks. The engine control module (ECM) may experience an internal short-circuit, which can result in an unexpected engine shut down. 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: SC0438. That is the number on the owner letter and on the dealer paperwork. 22V606 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 unexpected engine shut down can increase the risk of a crash.” 22V606 Mack Trucks, Inc. Engine And Engine Cooling:Engine:Engine Control Module (ECU/ECM) 9 August 2022 2023-2023 MACK MD An unexpected engine shut down can increase the risk of a crash. Cummins will replace the ECM, free of charge. Owner notification letters were mailed on September 27, 2022. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0438. This campaign is in the register but not ",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T22:43:23+00:00",
  "dateModified": "2026-09-16T21:41:23+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Mack recall 22V606 (SC0438): 2023 MD6/7 Trucks\", https://carsmultiverse.com/recall/22v606/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}