{"nhtsa_id":11023744,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-10-03","date":"2025-09-10","document_id":"TSB_2065234_2","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This bulletin provides information when there is a tail light warning and variois DTCs are stored in the comfort module; B16D431, B16D631, B16D531, and/or B16D731.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023744-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023744-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023744","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B16D4","B16D5","B16D6","B16D7"],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_audi_a4","2021_audi_a4"]},{"make":"AUDI","model":"A4 ALLROAD","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_audi_a4-allroad","2021_audi_a4-allroad"]},{"make":"AUDI","model":"S4","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_audi_s4","2021_audi_s4"]}],"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":[]}