So I bought a 2015 Honda Civic Type R sat nav unit to replace my non sat nav version in a 2016 Civic Sport. I have had it recoded and everything works fine except the volume is very low. I am told by the re-coder that the unit thinks I have a Bose amplifier system so the volume is turned down accordingly. They say I will have to get a Honda dealer to clear this problem for me. I have an Autel unit so if I knew how to, I guess I could do this myself, any ideas please as I don’t think my dealer will be interested as it’s still under warranty.