{"nhtsa_id":10178450,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-09-03","date":"2020-08-05","document_id":"Dealer 93H4","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Moisture may enter the high-voltage battery due to corrosion creep at the battery regulation control unit and at the low-voltage connector. If moisture has entered, a warning will appear on the instrument cluster display to alert the driver.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178450-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178450-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178450","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A3 SPORTBACK E-TRON","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]}],"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":[]}