{"nhtsa_id":10153236,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-02-19","date":"2018-12-18","document_id":"T-TT-0516-18","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (Telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10153236-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10153236-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10153236","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TOYOTA","model":"AVALON","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_toyota_avalon"]},{"make":"TOYOTA","model":"SIENNA","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_toyota_sienna","2019_toyota_sienna"]}],"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":[]}