{"nhtsa_id":10174396,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-07","date":"2020-04-21","document_id":"Circular93F1REV1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"It is possible that the high-voltage battery housing bonded seam was made in a non-optimal position. If this condition is present, moisture can enter the high-voltage battery housing. The driver may be alerted to this condition by the illumination of a high-voltage system warning indicator on the instrument cluster display. Updated claiming instructions: o Added coolant in the event the high-voltage battery is replaced o Added seal, part number 5Q0121809A Updated work instructions: o Added examples of possible normal oxidation o Added instruction to place insulating mat over an open battery o Clarified steps when moving high-voltage battery o Added steps to take if the vehicle arrives with faults Updated instructions to clarify the battery module return process","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174396-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174396-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174396","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A3 SPORTBACK E-TRON","year_from":2016,"year_to":2016,"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":[]}