My knock-off VAG COM OBDII connector works just fine connecting to the unit and I have total control over it. I double checked my pinouts and those are what I am using (see photo). Make sure that you are selecting the correct unit from the left side of the first screen of the Webasto Software (see photo.)? Double check you are tapping into the correct multi control wire? My OBDII connector has a LED light to let you know if it is powered up - maybe check this as well? Double check you are on the right COM port (this was a major headache when I first started using these for my VWs)!How were you able to hook up the VAG COM to the webasto unit? I have the software and I’ve selected the right com port and I have pin 7 to the blue multi control wire pin 16 to red and pin 4 to ground. However, nothing seems to happen when I start diagnosis. No errors either. I have also verified that I have the drivers for the chip. I was wondering if you had issues with connecting the vag com cable to the webasto harness at all. It’s a brand new cable that I bought off Amazon but I’m worried it might be broken or not standard. Thanks!