02 jetta 1.8t, using a ross-tech hex-can USB, first hook up my cable light will be green and when I test the cable the status: ready k1: ok, k2: ok, can: not ready. I click save, try and access a module it will time out saying no response from module. Test the interface again and it will say questionable and k1 will show short to ground. Factory radio, all fuses are good and I have updated the software. The light will be green and then go red each time the software tries to access a module. Where do I start to figure out what the issue is?