{"nhtsa_id":10189750,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-02","date":"2021-03-01","document_id":"IK2501419","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"CE Bus Radio PA not switching to external / internal speakers; only models with feature codes 49CLM or 49CLN","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189750-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189750-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189750","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"IC BUS","model":"CE","year_from":2020,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"CESB","year_from":2020,"year_to":2020,"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":[]}