This guide covers the necessary settings to connect with an ELM327 interface for Fiat, Alfa Romeo, Lancia, and Abarth vehicles produced up to around 2021.
You cannot set your ports correctly unless you know what chip is inside your adapter. In 2021, there are three dominant chips:
: Most ELM327 v1.3/v1.4 interfaces require a speed of 38400 . Some newer v2.1 or high-speed interfaces might use 115200 . ⚙️ MultiECUScan Software Configuration