{
  "owners": null,
  "title": "Proterra recall 22V855 (SC-22-158): 2020-2021 Catalyst and 2019-2022 ZX5 Transit Buses",
  "url": "https://carsmultiverse.com/recall/22v855/",
  "summary": "Recall 22V855 (Proterra): Unintentional engagement of the parking brake increases the risk of a crash. Proterra's own number: SC-22-158.",
  "excerpt": "Proterra Catalyst, Proterra Zx5, model years 2019 to 2022. Filed by Proterra Operating Company, Inc. and reported to NHTSA on 18 November 2022. 386 vehicles potentially affected. What the notice says Proterra Operating Company, Inc. (Proterra) is recalling certain 2020-2021 Catalyst and 2019-2022 ZX5 transit buses. Back pressure in the shared air exhaust for the pneumatic ride height system and parking brake control valve may engage the parking brake while the vehicle is in motion. 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 Proterra's own number for this recall: SC-22-158. That is the number on the owner letter and on the dealer paperwork. 22V855 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: “Unintentional engagement of the parking brake increases the risk of a crash.” 22V855 Proterra Operating Company, Inc. Parking Brake 18 November 2022 2019-2022 PROTERRA CATALYST, PROTERRA ZX5 Unintentional engagement of the parking brake increases the risk of a crash. Proterra will install a redesigned air circuit, free of charge. Owner notification ",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T22:52:24+00:00",
  "dateModified": "2026-08-23T22:52:24+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Proterra recall 22V855 (SC-22-158): 2020-2021 Catalyst and 2019-2022 ZX5 Transit Buses\", https://carsmultiverse.com/recall/22v855/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}