Xtool VAG401 - 3.1 READ ECU version; 3.2 Read Fault Codes

VAG401 VW/AUDI/SEAT/SKODA
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If failed, then it displays the following.
3. 1 READ ECU version
Select [01.READ ECU version] and then press [Enter] key. The screen will
display the control unit information:
3.2 Read Fault Codes
Select [02-Fault Codes] and then press [Enter] key. The screen will show
the error code and you can press up or down key to check out each error
code as the following.