Problem:
I read JC dash from VW golf 7 cluster mcu D70F3426 with Xhorse multi prog, not possible unlock 70f3426, detection is ok but not unlock.
Solution:
Power on the Multi standard adapter to start up the programmer.
You might have this problem:
And also 12V power directly on the adapter, via connector.
Been there, found out the hard way.
Feedback:
Unlock mcu in second as said above.