{"nhtsa_id":11032280,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-06","date":"2026-05-06","document_id":"TSIB 26-01","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This TSIB provides information to provide a software update. Some coaches using MCC HVAC Eco-Tempo ECU # 07-10-009 software T35-1581 / V1.04 may be experiencing random fault codes due to MCC software errors.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032280-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032280-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032280","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MCI","model":"D4000","year_from":2019,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4000ISTV","year_from":2019,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4005","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4020ISTV","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4500","year_from":2019,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4505","year_from":2019,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4520","year_from":2020,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D45CRT","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D45CRTE","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D45CRTELE","year_from":2021,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D45CRTLE","year_from":2019,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J3500","year_from":2019,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J4500","year_from":2019,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J4500E","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J4500E","year_from":2023,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J4500E","year_from":2025,"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":[]}