{"nhtsa_id":11013645,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-05","date":"2021-02-16","document_id":"SC-21-020","mfr_campaign":"SC-21-020","replaces":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Transit vehicle software update to the body controller and vehicle controller. Improving visibility on the dash to LV battery voltage and ABS on the dash will flash when active.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-11013645-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-11013645-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11013645","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PROTERRA","model":"CATALYST","year_from":2019,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"PROTERRA","model":"ZX5","year_from":2019,"year_to":2021,"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":[]}