Hi you dont need pro for this work. Read with xp400 is enough.
Eeprom 93c86 in Cem.
Volvo before 2004 is 28f400 in cem, for that you need pro. But volvo before 2004 is not
easy, you need also syncro after Add key with ECU.
Volvo xc90 2016 only read EPROM in Cem, add key, finish.
YouTube.com/watch?v=cJv8hMSPu6U