{"nhtsa_id":11031740,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-04-30","date":"2026-04-30","document_id":"S26DW","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Blue Bird has identified a software issue affecting the Neutral-at-Stop feature. A software update is required in-person at an authorized Allison Transmission Dealer.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031740-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031740-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11031740","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BLUE BIRD","model":"ALL AMERICAN SCHOOL BUS","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"BLUE BIRD","model":"ALL AMERICAN TRANSIT BUS","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"BLUE BIRD","model":"S3FE","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"BLUE BIRD","model":"VISION SCHOOL BUS","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"BLUE BIRD","model":"VISION TRANSIT BUS","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}