FAQs Brief Specs Question What to do if there's an issue with the vehicle ECU? Features Answer Please confirm the following cases: (1) Whether diagnostic VCl dongle is correctly connected. Functions (2) Whether the ignition switch is ON. (3) Check whether the version of the scanner and VCl is the latest (if not, try again after updating), and check what indicator is on the VCl (refer to the indicator description in the user manual). Or, send your vehicle's year, make, model, VIN number, and Device’s SN to us using the Feedback feature for timely technical assistance. What's In The Box? Comparison FAQs