{"nhtsa_id":10201521,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-10-06","date":"2021-09-07","document_id":"A9421462064418_1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","mfr_system":null,"summary":"This bulletin states to fill out the questionnaire and contact TAC if the vehicle is within NVLW for DTC(s) B16D4F4, B16D5F4, B16D6F4, B16D7F4.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201521-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201521-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201521","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":["B16D4","B16D5","B16D6","B16D7"],"topics":[],"vehicles":[{"make":"AUDI","model":"A8","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_audi_a8","2020_audi_a8"]}],"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":[]}