Xhorse MQB RH850/V850 Adapter has been released now. With it, there’s no need to cut wire or lift pin to read MQB48/MQB49/5C dashboards. It can support to read VW 4th Gen Johnson Control 34xx series, MQB-RH850(R7F) series and MQB 34xx series dashboards.

But it’s worth noting that the adapter can only work with Xhorse VVDI Key Tool Plus and need MQB NEC35XX License activated. Following, we’ll demonstrate how to use RH850/V850 adapter to read the 1401 dashboard as an example.

Step1. Connect To Read

IMMO programming >> VW >> Select by type >> MQB instrument immo system >> Instrument-MQB48(VDO/JCI-NEC35xx lock) >> Start programming >> Read disclaimer, OK

Make sure the network is connected, press “OK”.

Programmer reads files >> Read NEC35xx/RH850 chip >> Wire bond >> R7F701401

Here we can check the connection diagram.

• Follow diagram to remove the components and solder the cables.
• Connect a thin conductor or enameled wire at the designated points, then solder the remaining parts.
• Fix with tape. Connect RH850/V850 Adapter to Key Tool Plus.

After successful connection, press “Read >> Continue”.

Reading success.

Save the data file.

Step2. Obtain Immo Data

Obtaining immo data >> OK >> Load the chip file

Calculating will take about 5-10 minutes, please wait…

Save MQB IMMO file.

The file can be used to generate dealer key and learn key.

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