{
  "owners": null,
  "title": "Proterra recall 19V402: 2017-2018 Catalyst Buses",
  "url": "https://carsmultiverse.com/recall/19v402/",
  "summary": "Recall 19V402 (Proterra): If the swivel valves are unable to protect the air brake system against loss of air pressure, this may lead to service brake f...",
  "excerpt": "Proterra Catalyst, model years 2017 to 2018. Filed by Proterra Inc. and reported to NHTSA on 30 May 2019. 147 vehicles potentially affected. What the notice says Proterra, Inc. (Proterra) is recalling certain 2017-2018 Catalyst buses. The vehicles are equipped with swivel valves that may insufficiently protect the air brake system from an air leak between the service reservoir and the source of air pressure. As such, these vehicles fail to comply with the requirements of … 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 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 swivel valves are unable to protect the air brake system against loss of air pressure, this may lead to service brake failure and the possibility for the uncontrolled application of the safety brake. Either condition increases the ri…” 19V402 Proterra Inc. Service Brakes, Air:Supply:Check Valve 30 May 2019 2017-2018 PROTERRA CATALYST If the swivel valves are unable to protect the air brake system against loss of air pressure, this may lead to service brake failure and the possibility for the uncontrolled application of the safety brake. Either condition increases the risk of crash. Proterra will",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T20:36:41+00:00",
  "dateModified": "2026-09-16T16:09:00+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Proterra recall 19V402: 2017-2018 Catalyst Buses\", https://carsmultiverse.com/recall/19v402/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}