{
  "owners": null,
  "title": "Paccar recall 21V181 (21PBC): Peterbilt 536 (2021)",
  "url": "https://carsmultiverse.com/recall/21v181/",
  "summary": "Recall 21V181 (Paccar): If safety-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can...",
  "excerpt": "Peterbilt 536, model year 2021. Filed by PACCAR Incorporated and reported to NHTSA on 16 March 2021. 1 vehicles potentially affected. What the notice says PACCAR Incorporated (PACCAR) is recalling one 2021 Peterbilt 536 vehicle equipped with a Cummins Westport Inc. B6.7N engine that has certain engine control module calibrations. The engine control module software may be calibrated incorrectly, causing the engine to not limit engine speed or torque as intended for … 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 Paccar's own number for this recall: 21PBC. That is the number on the owner letter and on the dealer paperwork. 21V181 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 safety-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can increase the risk of a crash.” 21V181 PACCAR Incorporated Engine 16 March 2021 2021-2021 PETERBILT 536 If safety-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can increase the r",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:40:19+00:00",
  "dateModified": "2026-08-23T21:40:19+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Paccar recall 21V181 (21PBC): Peterbilt 536 (2021)\", https://carsmultiverse.com/recall/21v181/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}