I have jScan, but also the Appcar DiagFCA for PC. Both are very good. but the Appcar DiagFCA can do more models (can do my wifes KL, but jScan doesn't).
Use the recommended or known good BT dongle for jScan
I purchased mine from Amazon and was 20.99 for license on jscan app with iphone. Works great and easy to navigate. First thing was turned off TPMS.Vgate iCar Pro Bluetooth 4.0 (BLE) OBD2 Fault Code Reader OBDII Code Scanner Car Check Engine Light for iOS/Android https://www.amazon.com/dp/B06XGB4873/?tag=jkforum-20