{"nhtsa_id":10201979,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-10-06","date":"2021-09-10","document_id":"2056950/6","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Telephone interference Condition: When using a mobile telephone via a Bluetooth connection the audio quality is poor due to interference Technical Background: Customer complaint of poor audio quality due to interference when using a mobile telephone via a Bluetooth connection, the original right hand side (Passenger) microphone should be replaced for an omni-directional microphone, a software update to 5F - Infotainment control unit 1 mustalso be conducted after the replacement microphone is fitted","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201979-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201979-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201979","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2020,"year_to":2022,"match":"exact","vehicle_ids":["2020_bentley_bentayga","2021_bentley_bentayga","2022_bentley_bentayga"]},{"make":"BENTLEY","model":"BENTAYGA HYBRID","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_bentley_bentayga","2021_bentley_bentayga"]}],"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":[]}