I just bought a 2019 cruze 1.6 diesel. I've been reading the forums trying to understand the tuning process and have run into conflicting info.

Do I need to find a supplier for the stock tune file or an I able to read the controller?

Does Efilive support flashing only or will I be able to edit the tune file in V7?

Is this vehicle a PCM or separate ECU & TCM? Is transmission tuning available or just engine?

Are there any other considerations that I need to know about?