Also, if I put the key in POS II, then to POS 0, and back to POS II, I can get into the audio settings, but that's about it. From a Volvo MOST troubleshooting guide I found, that should mean the ICM would be functional if there weren't another issue on the MOST network. Also, checked the SUB fuse ...

Hi all, I've been trying to troubleshoot the radio going out in my XC90 with no luck. Was driving one day and the speakers made a very loud sound and the radio shut off and wouldn't turn back on. At first I was thinking it was the ICM. Took it out, stripped it down, and attempted a repair of the ...