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- 20:10, 5 December 2025 Peter talk contribs created page B1916/039190 (Created page with "__FORCETOC__ === B1916/039190 - Backup Battery === === B1916 04 - Backup Battery - Internal System Fault === ==== Possible Causes ==== * Incorrect Gateway backup-battery monitoring parameter ==== Possible Solutions ==== * Manually discharge Gateway backup-battery to reset system ==== Special Notes ==== * When found in the 2018 Audi A4, A5, Q5 and/or Q7, follow this Technical Service Bulletin: * [https://static.nhtsa.gov/odi/tsbs/2019/MC-10157248-9999.pdf 91 SOS war...")