{"nhtsa_id":10163001,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-07-22","date":"2019-06-10","document_id":"15-235-18R","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.","mfr_system":null,"summary":"This bulletin announces availability of new audio system amplifiers to address the following operating concerns with the Harman Kardon Gen 3 infotainment system: Symptom 1: No audio output is heard but, the volume level displayed changes when turning the knob Symptom 2: Audio volume increases to maximum intermittently without turning the knob NOTE: This condition is generally reported as occurring following a handsfree phone call or while using navigation voice guidance. Symptom 3: A buzzing, screeching or crackling-type sound is heard coming through the speakers.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163001-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163001-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10163001","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"SUBARU","model":"IMPREZA","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_subaru_impreza"]},{"make":"SUBARU","model":"WRX","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_subaru_wrx"]},{"make":"SUBARU","model":"WRX STI","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_subaru_wrx"]}],"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":[]}