{
  "owners": null,
  "title": "Mack recall 15V644 (SC0395): Mack Pinnacle (Chu), Mack Pinnacle (Cxu) (2011 to 2014)",
  "url": "https://carsmultiverse.com/recall/15v644/",
  "summary": "Recall 15V644 (Mack): If the fifth wheel and locking mechanism are sufficiently damaged, the locking mechanism may fail to operate as intended and the t...",
  "excerpt": "Mack Pinnacle (Chu), Mack Pinnacle (Cxu), model years 2011 to 2014. Filed by Mack Trucks, Inc. and reported to NHTSA on 13 October 2015. 448 vehicles potentially affected. What the notice says Mack Trucks, Inc. (Mack) is recalling certain model year 2011-2014 Pinnacle (CHU and CXU) trucks manufactured September 10, 2010, to June 17, 2013. The affected trucks are equipped with Fontaine Ultra LT Fifth Wheel connectors, which, due to cumulative damage to the fifth wheel and its locking mechanism, have a … 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: SC0395. That is the number on the owner letter and on the dealer paperwork. 15V644 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: “If the fifth wheel and locking mechanism are sufficiently damaged, the locking mechanism may fail to operate as intended and the trailer may unexpectedly detach from the tractor, increasing the risk of a crash.” 15V644 Mack Trucks, Inc. Trailer Hitches:Fifth Wheel Assembly 13 October 2015 2011-2014 MACK PINNACLE (CHU), MACK PINNACLE (C",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T17:38:08+00:00",
  "dateModified": "2026-09-16T09:42:32+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Mack recall 15V644 (SC0395): Mack Pinnacle (Chu), Mack Pinnacle (Cxu) (2011 to 2014)\", https://carsmultiverse.com/recall/15v644/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}