Some cars with OBD 2 still require special connectors and software to fully explore the ECU. For example to properly connect to my Volvo you need a whole setup,

Some cars with OBD 2 still require special connectors and software to fully explore the ECU. For example to properly connect to my Volvo you need a whole setup, to the point where an enterprising individual has made a business out of selling pre-installed software/hardware/laptop bundles: https://www.swedespeed.com/threads/vida-dedicated-laptops-for-sale.465809/ https://www.swedespeed.com/threads/vida-dedicated-laptops-fo...