{"nhtsa_id":10161816,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-07-01","date":"2019-05-08","document_id":"15-240-19R","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing the following customer concerns: 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 Symptom 3: A buzzing, screeching or crackling-type sound is heard coming through the speakers Symptom 4: Loss of audio output after turning the head unit off and back on again in a short amount of time Symptom 5: Audio volume is temporarily louder than expected after ending a Bluetooth call while using navigation guidance Symptom 6: No response from the volume control knob.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161816-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161816-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10161816","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"SUBARU","model":"CROSSTREK","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_subaru_crosstrek","2019_subaru_crosstrek"]},{"make":"SUBARU","model":"IMPREZA","year_from":2017,"year_to":2019,"match":"exact","vehicle_ids":["2017_subaru_impreza","2018_subaru_impreza","2019_subaru_impreza"]},{"make":"SUBARU","model":"LEGACY","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_subaru_legacy","2019_subaru_legacy"]},{"make":"SUBARU","model":"OUTBACK","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_subaru_outback","2019_subaru_outback"]}],"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":[]}