How to Fix VVDI Key Tool Plus Read W639 EIS “Read Failed”

Question:

Try read w639 ezs with adapter but impossible?

Here Xhorsevvdi tech answer:

Connect 12V adapter to XDKP30 Multi-function Adapter.

Connection:

12V Aadapter + Key Tool Plus Tablet>>Multifunction Adapter>>EZS Adapter>>EIS

Hope this could help!

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