Foxflash Simos 18.1 Extract Password not Working Solution

By | December 5, 2025

Problem:

Tried to read and write Simos 18.1 ECU with Foxflash but extract password not working.

Simos 18.1 extract password not working 1

Simos 18.1 extract password not working 2

Solution:

Voltage is not good.

 

User feedback:

Solved! Had a problem with the resistances, the voltage is true, the power supply died and did it with the standard.
READ OK.
WRITE OK.
CHEKSUM OK FOXFLASH.
STAGE 1 + POPS
VW GTI 7 2.0TSI 230CV