Originally Posted by
danmw2003
A loose connection can cause the CAN buss to go into fits and will fault things out. My car does this occasionally when I bump the MPVI2 device or the extension I have, causes the car to not start, or if I do it while its running, it faults out the ABS, EPAS and traction control. Id solder it in IMO, or get the pins, hardshell and some wire to install a new OBD2 port somewhere else in the car. Its not likely the device, rather the connections to them. Bad or loose connections cause high resistance in circuits, not what you want on your CAN buss.