{
  "owners": null,
  "title": "Mack recall 23V024 (SC0440): 2019 and 2021-2023 LRBE Battery Electric Trucks",
  "url": "https://carsmultiverse.com/recall/23v024/",
  "summary": "Recall 23V024 (Mack): A coolant heater that overheats can increase the risk of fire. Mack's own number: SC0440.",
  "excerpt": "Mack Lrbe, model years 2019 to 2023. Filed by Mack Trucks, Inc. and reported to NHTSA on 23 January 2023. 43 vehicles potentially affected. What the notice says Mack Trucks, Inc. (Mack) is recalling certain 2019 and 2021-2023 LRBE battery electric trucks. The cabin heater relay may fail, causing the coolant heater to overheat. 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: SC0440. That is the number on the owner letter and on the dealer paperwork. 23V024 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 coolant heater that overheats can increase the risk of fire.” 23V024 Mack Trucks, Inc. Electrical System:Wiring:Switches/Knobs/Buttons 23 January 2023 2019-2023 MACK LRBE A coolant heater that overheats can increase the risk of fire. Dealers will update the software for the Hybrid Powertrain Control Unit and Instrument Cluster, and install replacement relays, free of charge. Owner notification letters were mailed March 16, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for thi",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T23:03:13+00:00",
  "dateModified": "2026-09-16T22:31:09+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Mack recall 23V024 (SC0440): 2019 and 2021-2023 LRBE Battery Electric Trucks\", https://carsmultiverse.com/recall/23v024/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}