For newer Italian vehicles, the basic ELM327 cable alone may not be enough to access all systems. ELM327 v1.5 Latency too high - Multiecuscan
In the same menu, change the Latency Timer (msec) from 16 to 1 . multiecuscan elm327 port settings 2021
High-speed interfaces like OBDLink SX or some newer 2021 clones may require . For newer Italian vehicles, the basic ELM327 cable