How to solve when the bluetooth of X431 Diagun not match?

Launch X431 Diagun, which is the original universal diagnostic tool from Launch company, the quality can be guaranteed. It has super version, can do 115 cars come from Asian, European, American.

Problem: It started flash after the blue lights, turned to red can communicate. It stayed blue when stopped the flash, can not communicate. Sometimes click the bluetooth appeared “faulty memory card, check memory card”

Reason: Bluetooth had not match.


1. Firstly, please turn off other bluetooth devices around the X431 Diagun, such as mobile phone.
2. Then follow the steps to match the bluetooth on main unit as below:

Bluetooth click “SET—“ below the right foot point of screen three grids below the screen, click the middle one “(〈–〉)”.

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