How to Solve OBDSTAR X300 Pro4 ‘Diag Abnormal exit! CODE:-3’?

 Problem:

Hi, my OBDSTAR key master 5 (X300 Pro4) cannot do anything its showing error.

‘Diag Abnormal exit! CODE:-3’

How to fix it?

Solution:

1.Restart device.

2.If not working, delete current software and download software again.

Download software requires your device under subscription. If the subscription expires, need to renew and download.

1 year software subscription for key master 5.