I've finally had chance to try the cable out properly.

With it plugged in and the live dashboard loaded in TunerProRT I see a lot of errors recorded and the gauges jump around at the same time as...

There was me looking for something with a simpler name... lol!

Got it thanks - next thing is do some datalogging and see whether I am getting some good data!

Got it working....

Next thing... where the hell does the VE table hide?! I can't find it in the XDF?

I've got the following files loaded up which I think are correct for my ECM
...

OK, so I built my cable and installed the driver for it on my laptop. It's COM7

Connected Pin A to GND and Pin M to TXD/RXD.

I've downloaded TunerPRO RT and loaded up what I think are the...

I'm wanting to make myself a datalogging cable and was going to give it a go with a cheapo FT232BL adapter off ebay....

Simple as connecting the TXD and RXD terminals together and hooking them...