Please only use the power supply provided with the Autotuner tool : ATPS01
Autotuner never requires external power unless it is explicitly stipulated in the help interface.
The ATPS01 power supply is plugged into the "Power" connector of the Autotuner tool. It is 100-240V compatible. Power supplies for Australia, USA and UK are available as an option.
Be sure to always check all your connections before connecting the power supply to the Autotuner.
The ATPS01 power supply is never used for reading via the OBD diagnostic socket.
The ATPS01 power supply is available in different versions