Sorry Witsend , Last night, I did update the J2534 ECU , and my devise gave some kind of update and then told me that was the last version, 4.0 and this is latest version . when i use the USB cable no problem ,but BT does no work properly , weak sign and weak communication
Please, what do you suggest . To be honest with you , I am afraid that if I purchase new update for the all software, the problem will still as it is ....
thank you so much for your stand