{"nhtsa_id":10217435,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-08","date":"2015-10-28","document_id":"08-101-15","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS","mfr_system":null,"summary":"Flash: Poor Speaker Sound Performance This bulletin involves updating the Amplifier (AMP) software. The customer may describe one or more of the following symptoms/conditions: ? Speakers not loud enough. ? Speakers buzz/rattle. ? Poor sound quality from speakers. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? B1474-13-Channel 5 Audio Speaker Output - Circuit Open ? B1479-13-Channel 6 Audio Speaker Output - Circuit Open","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10217435-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10217435-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217435","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":["B1474","B1479"],"topics":[],"vehicles":[{"make":"DODGE","model":"CHALLENGER","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_dodge_challenger"]}],"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":[]}