Hi I have uploaded for Fiat but I can not make any connection what should I do? I installed the original MultiCuscan and the latest firmware. But there is no connection with the vehicle anymore. Hit the head of the head.... orj Firmware http://www.tiecar.net/support.html CANtieCAR v2.x Bluetooth rea...

I have made this update but I have not installed the old firmware that my device did not connect at all ?