Another Xhorse RH850 adapter tutorial: how to read VAG MQB NEC35XX RH850 DF701401 dashboard with xhorse vvdi key tool plus and RH850 cable.
Procedure:
Select Immo Programming>>VW>>Select by Type>>MQB Immo System>>Dashboard-MQB48 (VDO/JCI-NEC35XX Locked)-> Read NEC35XX Chip>>Soldering>>R7F701401
Check wiring diagram
Remove components and solder rh850 cable with cluster
Connect rh850 cable with key tool plus
Read and save immo data
Select Get Immo data
Upload rh850 DF702401 data save above to calculate immo data
Then save immo data
Now you can generate dealer key or learn key with the immo data
Read also:
How to Read MQB48 RH850 D70F3426 Dash with Xhorse RH850 Cable?