DSG DQ250 MQB Gearbox Read Tips Using Foxflash and GODIAG Adapter

 Here are the instructions on reading and writing DSG DQ250 MQB gearbox TCU by foxflash users.

This one really worked.
read/write the transmission, the tool foxflash, godiag (autopower/manual power+ 120ohm) bench method was used

Connection:
1-foxflash (power supply 13,4V)-orange cable OBD to godiag- DSG DQ250 MQB cable pinout:
DSG connector
pin 1- kline to bench cable to godiag
Pin 11–18 +12v to bench cable to godiag
Pin 16–19 -GND to bench cable to godiag
Pin 10 CAN-H to bench cable to godiag
Pin 15 CAN-L to bench cable to godiag
Pin 13 +12v connected to the power supply

Foxflash procedure:
1. Do not turn off the power station!
2. when reading the ID, we have godiag power pressed on manual and 120 ohm on.

Where is 120ohm on power feed between godiag and ecu?
Its on godiag gt107 goin into CAN L, CAN H.

3. after reading the ID, we switch OFF it to godiag power and 120ohm
4.reading the file, we select the backup, let foxflash read it, it asks to turn off the ignition (we do nothing), we press OK, then it asks to turn on the ignition (we don’t do anything), we press OK
5. BE CAREFUL HERE! right after pressing OK in the previous step, first press godiag 120ohm and then power! (it doesn’t work in the reverse order!)
6. make the entry in the same procedure as written above.
If it helps someone, here are the instructions.


Tips to Read DSG DQ250 MQB Gearbox with Foxflash via Godiag Adapter
Tips to Read DSG DQ250 MQB Gearbox with Foxflash via Godiag Adapter


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