: Right-click the Windows symbol, select Device Manager , and expand Ports (COM & LPT) .
This is where most ELM327 users fail with Italian cars. Fiat/Alfa ECUs do not always follow strict standard OBD timings. multiecuscan elm327 port settings 2021
If you're using MultiECUScan with an Elm327 adapter, you'll need to configure the port settings to connect to your vehicle's ECU. Here are the steps to follow: : Right-click the Windows symbol, select Device Manager