{
  "owners": null,
  "title": "Blue Bird recall 21V253 (R21BD-SB): 2018-2021 Vision and All American School Buses",
  "url": "https://carsmultiverse.com/recall/21v253/",
  "summary": "Recall 21V253 (Blue Bird): An undetected high voltage isolation can expose service personnel to high voltage, increasing the risk of injury.",
  "excerpt": "Blue Bird All American, Blue Bird Vision, model years 2018 to 2021. Filed by Blue Bird Body Company and reported to NHTSA on 12 April 2021. 292 vehicles potentially affected. What the notice says Blue Bird Body Company (Blue Bird) is recalling certain 2018-2021 Vision and All American school buses. The electric drive train cannot detect isolation faults when the high voltage contactors are closed. 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 Blue Bird's own number for this recall: R21BD-SB. That is the number on the owner letter and on the dealer paperwork. 21V253 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: “An undetected high voltage isolation can expose service personnel to high voltage, increasing the risk of injury.” 21V253 Blue Bird Body Company Electrical System:Software 12 April 2021 2018-2021 BLUE BIRD ALL AMERICAN, BLUE BIRD VISION An undetected high voltage isolation can expose service personnel to high voltage, increasing the risk of injury. Blue Bird will notify owners, and dealers will update the Vehicle Control Unit softwar",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:42:32+00:00",
  "dateModified": "2026-09-16T19:06:49+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Blue Bird recall 21V253 (R21BD-SB): 2018-2021 Vision and All American School Buses\", https://carsmultiverse.com/recall/21v253/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}