Problem:
Using VXDIAG VCX SE BMW scanner and ISTA+ 4.39 software to diagnose a BMW X5 2011. Sometimes it can establish communication, but other times it fails. It cannot read VIN. If you input VIN manually, it keeps ongoing the backgroud process. How to fix it?
Solution:
First of all, select vehicle interface (device type) as Dealer organisation ICOM/ENET local area network.
Allow Ethernet as the preferred communication channel when connected via ICOM.
If still cannot read VIN, disconnect the VCX SE for 2 minutes.
Then connect the device and test again.
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