Foxflash Failed to Read VAG Simos 3 ECU Solution

Failed to read a VW Simos 2 ECU with foxflash. Error SK2 and seed key. Any solution?

IECUTOOL.EU Solution:

The voltage is low. Raise voltage to 13V+.

And better read on bench instead of full system.

Foxflash VAG Simos 3.xx ECU bench pinout