{"nhtsa_id":10124523,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-05","date":"2013-07-03","document_id":"A911389 2034360-","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL","mfr_system":null,"summary":"Customer states that the BOSE sound system does not have enough bass. This bulletin only applies to vehicles with BOSE sound system. The current sound system equalization provides a flat frequency response, which many customers may perceive as not having enough bass.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10124523-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10124523-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10124523","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A6","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_audi_a6","2012_audi_a6","2013_audi_a6"]}],"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":[]}