Xhorse tutorial: how to read VAG MQB48 NEC35XX locked RH850 D70F3426 processor dashboard with Xhorse vvdi key tool plus and RH850 cable.
Xhorse XDNPRBGL MQB-RH850/V850 Adapter is designed to read VW MQB48 dashboard data without cutting/ lifting any pins.
IMMO4 JCI 34XX
Here take an example of RH850 D70F3426. D70F3426 cluster is more complex than the regular RH850 cluster.
You will need key tool plus, RH850 adapter and eeprom adapter
1.Read dashboard data
The function requires network connection.
Go to Immo Programming>>VW>>Select by Type>>MQB Immo System>>Dashboard-MQB48 (VDO/JCI-NEC35XX Locked)
Then select Read Immo data>>Read NEC35XX Chip>>Soldering>>R7F703426
Step 2: Read EEPROM Data
Remove RH850 cable from cluster
connect eeprom adapter with vvdi key tool plus via DB15 cable
Select Get Immo data
Upload 95128 eeprom to calculate immo data online
Then save new immo data
Now you can generate dealer key and learn key with the calculated immo data.