{"nhtsa_id":10177221,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-07-10","date":"2020-06-26","document_id":"NTB20-046","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.","mfr_system":null,"summary":"2019-2020 ALTIMA; VOLUME KNOB DOES NOT FUNCTION PROPERLY IF YOU CONFIRM The customer states the speaker volume does not change or changes erratically when rotating the volume knob. ACTION 1. Rotate the volume knob rapidly two times, for a total of 60-seconds, to remove contaminate build-up. 2. Update the display control unit software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177221-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177221-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10177221","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"NISSAN","model":"ALTIMA","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_nissan_altima","2020_nissan_altima"]}],"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":[]}