8/29/2023 0 Comments Actia vci usb driver![]() ![]() This USBN9603 should give 3.3V on its pin 18 which is easy to measure, because its neighbouring pin is ground, when the vci and the ic is plugged in with the OBD. ![]() It is the big IC up and left on the picture on the upper board, obviously visible at the vci opening. I, finally, have found that the USBN9603-28M IC seems defective compared to its datasheet. I have verified all the voltages, all the components on the 2 board of this VCI. I have had those troubles and always got an error message when trying to flash the vci with the FLASHVCI software. I think that I have found a solution for the Actia Multidiag VCI1 giving concerns ( unable to flash its firmware,to connect to the car, disconnecting.) and ending by being not recognized by the computer when plugged in by usb.
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