Problem:
I just got the mqb48 adapter for the Xhorse VVDI MLB Tool and it is showing up this error. It is updated, both USB cables connected. 2 different laptops and still have the same problem. I replaced the eeprom that came with it.
Error
“The current power supply quality is critically power, making it impossible to collect valid data.”
Solution:
Follow the images below to use USB directly from pc.
Voltage 5V, Current not exceeding 0.5A.
The MQB48 adapter can only be plugged into a computer or key tool plus via USB. PC is recommended.
Anyone who discover “voltage problem in APP” while reading, and after change USB socket still this same or any other problems.
here is a test 2.0.5.0 version with some changes
Put it in the installation directory. Double-click to open it directly and try again.