Solved! Multi Prog Read R7F701407 Dashboard Error Code “08030001”

Question:

Xhorse Multi Prog ECU Programmer and MQB Rh850 Cable

I tried to read r7f701407 dashboard, but I can’t connect the dashboard.

Here is the Answer:

Check pinout again, remove all extended cables, and solder MCU cable to pins directly.

Done! Hope this helps!

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