{"nhtsa_id":10199220,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-04","date":"2021-07-14","document_id":"A9421422063973_1","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:TAIL LIGHTS; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"This bulletin contains a software update for a tail light warning with DTCs B16D431, B16D531, B16D631, and/or B16D731.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199220-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199220-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10199220","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"software","name":"Software","parent":"electrical"},{"id":"tail-light","name":"Tail lights","parent":"lighting"}],"codes":["B16D4","B16D5","B16D6","B16D7"],"topics":[],"vehicles":[{"make":"AUDI","model":"E-TRON","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"E-TRON","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_audi_e-tron"]}],"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":[]}