I would like to know if p2v2 modul works on my volvo xc90
No, P2 bluetooth module will not work with XC90. For the XC90 (optical audio systems) is this one:
MY2007 should be OK, but I recommend you check how your PHM looks. Early models (2003, 2004) have had a different PHM which is not compatible. Read the documentation before.
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.