FAQs Brief Specs Question What service functions does the UltraDiag support? Features Answer UltraDiag supports 8 service functions, including Oil Reset, Throttle Adaptation, EPB Reset, ABS Bleeding, Steering Angle Reset, DPF Regeneration, Airbag Reset, and BMS Reset. Functions Question What's In The Box? Do I need to update the firmware before using the UltraDiag for the first time? Answer Yes. Firmware will automatically update to the latest version once the UltraDiag VCI is connected with your UltraDiag tablet via Bluetooth. You can also tap User Info > Firmware Update to update the firmware manually. Comparison FAQs