{"nhtsa_id":10205488,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-26","date":"2021-12-17","document_id":"SSM 50361","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL","mfr_system":null,"summary":"Some 2020-2022 Explorer/Aviator vehicles may exhibit poor sound quality from the left and/or right front speaker while using Bluetooth audio. This may be due to concerns with the wiring harness or connections of connector C2383A, C202, and/or C4240B. Prior to the replacement of the affected speaker, inspect the inline connections at connectors C2383A, C202, and C4240B for damage or incorrect pin fit. If no concerns are found with the wiring harness, continue with the replacement of the affected speaker.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10205488-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10205488-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10205488","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER","year_from":2020,"year_to":2022,"match":"exact","vehicle_ids":["2020_ford_explorer","2021_ford_explorer","2022_ford_explorer"]},{"make":"LINCOLN","model":"AVIATOR","year_from":2020,"year_to":2022,"match":"exact","vehicle_ids":["2020_lincoln_aviator","2021_lincoln_aviator","2022_lincoln_aviator"]}],"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":[]}