I try conect my obd2 to the car it keeps giving me error on the jumper cabel and I try to conect vcl it keeps saying update rebot I did that but it keep saying update I try it on corvette and civic and silvarado it does the same thing over and over again but still I can't get the scan the car . I am really upset with the setouation plese give me a call or help me out 2094101461 daniel. With out this scanner I can't work and make money plz help me out thank you . I use other scanners but nothing can't beat this scanner.