2009 G37s ac and radio buttons non functioning

[Smithwesson556]

Hi all I have searched and havent found an exact copy of my issue. I have a 2009 G37s with Bose and Nav that I just purchased knowing the radio nav and ac buttons did not function. The display lights up and shows no audio no disk and that the ac system is set at 75 and auto the ac does blow and auto adjust the temp to 75. As I was messing with it I also noticed that the backup camera didn't work so I hooked up my scantool and pulled codes I have a U1300, U121f, U1240, U1250, U1252 and U1254 in the av control module followed the WS manual and replaced the av control unit based on the U121f code still the same issue so I did the next step and tested all the wires and checked all fuses all passed. Note the grounds had higher resistance than I would have liked around 50-60 ohms but the book just says continuity exists. Still have all the same codes. After doing a deep dive online I found that all the can but goes though the ac amp is there a chance that is causing my issue?