{"nhtsa_id":11013423,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-03","date":"2021-10-27","document_id":"SC-21-112","mfr_campaign":"SC-21-112","replaces":null,"component":"ELECTRICAL SYSTEM; VISIBILITY/WIPER","mfr_system":null,"summary":"Transit bus repair to the vehicles wiper switch, the switch is replaced in this bulletin to improve reliability as the switch was stuck on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-11013423-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-11013423-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11013423","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"wiper","name":"Wipers and washers","parent":"visibility"}],"codes":[],"topics":[],"vehicles":[{"make":"PROTERRA","model":"ZX5","year_from":2020,"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":[]}