When using my DIS (from ebay a number of years ago) and an ODBII to USB cable, I can't run any Diagnostic Test Schedules. Every time I do, I get:

Control unit selected has not been Found!
Note:
If Pin 17 in the diagnosis jack is assigned, the following points must be observed:

I have searched this forum, and all over. I can't determine if it's my Software, or the cable - or a limitation of VM DIS.

Can someone please help me to understand

Thank you!

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2002 X5 4.4i sport/NAV/ski - upgrades: electrochromatic mirror, aluminium pedals, tinted front windows, 20" rims, //M wheel w/ paddle shifters, CarPC (CarX)