i have maxidas and when connecting to daewoo nubira 1 from 1997 to 2000 the scanner can't establish a connection with the car but i can do it with a elm327 cable and a laptop with scan master program via Opel ecu connection system in the ptogram
well, I would suggest you do a datalogging for your problem then report this problem to our server. Pls refer to our user manual for how to do a datalogging.