Look here: If this VXDIAG Nano GM USB Version can not work on GM Corvette C6,and met these error”Won’t connect to the car”, “Can’t get the licensee to load”, Solution below:
Solution of: Error 1: V2020.03 Xentry error "The data are faulty" Error 2: The user didn't do nothing but the software upgrade automatically, and Xentry doesn't work
Tutorial of How to read & clear the fault codes by Autel MaxiDiag MD808 Pro In this case we got the C0034 Fault code for the front right abs sensor (wheel speed sensor) but you could also get the front left, rear right or rear left fault)