Can your program change region coding for this car?
how much?
Yes, this is possible. Still you need the pin for CEM: https://d5t5.com/article/volvo-cem-pin-code
For SPA platform - the only options are bench reading or via an official VIDA. Once you have the pin, you can change anything in the car configuration.
VIN YV4A22PL2G1XXXXXX
Model XC90
Year 2016
Platform SPA
This car was only connected to the question.
However, this is not a condition that this question and answer can only be applied to this car.