{
  "owners": null,
  "title": "New Flyer recall 21V532 (R21-013): 2021 XD35 and XD40",
  "url": "https://carsmultiverse.com/recall/21v532/",
  "summary": "Recall 21V532 (New Flyer): Exposure to high levels of ammonia can increase the risk of injury. New Flyer's own number: R21-013.",
  "excerpt": "New Flyer Xd35, New Flyer Xd40, model year 2021. Filed by New Flyer of America, Inc. and reported to NHTSA on 14 July 2021. 28 vehicles potentially affected. What the notice says New Flyer of America, Inc. (New Flyer) is recalling certain 2021 XD35 and XD40 vehicles equipped with 2021 Model Year Cummins L9 Diesel Engines. The engine calibration software's management of the injection of Diesel Exhaust Fluid can allow excessive ammonia to be emitted from tailpipe exhaust. 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 New Flyer's own number for this recall: R21-013. That is the number on the owner letter and on the dealer paperwork. 21V532 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: “Exposure to high levels of ammonia can increase the risk of injury.” 21V532 New Flyer of America, Inc. Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe 14 July 2021 2021-2021 NEW FLYER XD35, NEW FLYER XD40 Exposure to high levels of ammonia can increase the risk of injury. Cummins will recalibrate the engine, free of charge. Owner notif",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:56:48+00:00",
  "dateModified": "2026-09-16T19:36:17+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"New Flyer recall 21V532 (R21-013): 2021 XD35 and XD40\", https://carsmultiverse.com/recall/21v532/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}