Xhorse VVDI Key Tool Plus Self-test FPGA Certification Error Solution

Problem:

During attempting reading BMW CAS4 d-flash with Xhorse vvdi key tool plus and CAS4 solderless adapter, get this error message: ‘self test error, power module exception, fpga certification error’ anyone got any ideas?

 

Vvdi Key Tool Plus Self Test Error

Solution:

There is something wrong with the PCB. You’d better send it back to repair.

 

Here are the steps to remove the PCB.

Step 1: Loosen the screws on the back of the Key Tool Plus

  • On the edge of the device: 8 screws
  • Middle position of the device: 4 screws

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Step 2: Remove the cover

Step 3: Follow the pictures as below to operate one by one

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