{
  "owners": null,
  "title": "Proterra recall 21V268 (SC-21-085): 2019-2020 Catalyst 40 Foot Buses",
  "url": "https://carsmultiverse.com/recall/21v268/",
  "summary": "Recall 21V268 (Proterra): The rear door may open without the driver's awareness, increasing the risk of injury. Proterra's own number: SC-21-085.",
  "excerpt": "Proterra Catalyst, model years 2019 to 2020. Filed by Proterra, Inc. and reported to NHTSA on 19 April 2021. 12 vehicles potentially affected. What the notice says Proterra, Inc. (Proterra) is recalling certain 2019-2020 Catalyst 40 foot buses. A software defect in the body controller that operates the door motor may allow the rear door to open unexpectedly. 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-21-085. That is the number on the owner letter and on the dealer paperwork. 21V268 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: “The rear door may open without the driver's awareness, increasing the risk of injury.” 21V268 Proterra, Inc. Electrical System:Software 19 April 2021 2019-2020 PROTERRA CATALYST The rear door may open without the driver's awareness, increasing the risk of injury. Proterra will notify owners, and dealers will update the software, free of charge. Owner notification letters were mailed on June 11, 2021. Owners may contact Proterra customer service at 1-864-438-0000. This camp",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:42:39+00:00",
  "dateModified": "2026-09-16T19:13:23+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Proterra recall 21V268 (SC-21-085): 2019-2020 Catalyst 40 Foot Buses\", https://carsmultiverse.com/recall/21v268/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}