me and my brother in law found the solution by accident!!! Il take a pic if need be. So we were taking the radio out to install my pxamg ipod kit in by g35 coupe 2005. When we put the radio back in I had the same problem as you. Naturally I freaked out. But my brother in law who is a genius found out that this little thing thats VERY VERY VERRRRY senstive when moved easily falls out of place turns off the WHOLE radio and ac controls and the ac goes crazy sometimes. So you can try punching the RIGHT BOTTOM side of your radio or if you really want take the whole radio out and look at the bottom right side of it and youll see this little thing that if you wiggle it a little it should go back the way its supposed too. It then fixes everything and BAM! u save 1000 dollars cuz the dealerships stupid and "didnt know" about this tiny little thing that when moved a tiny bit makes your radio and ac go haywire. Hope this helps everyone. If possible please make this a sticky so no one else makes the mistake of paying a lot of money to fix a relatively small issue to fix. PLEASE STICKY SO NO ONE ELSE PAYS A LOT OF MONEY FOR A NEW RADIO. Il try and get pics if you guys really need it.

 

I would really appreciate it if you can post a pic..thanx

 

Will do as soon as possible. I have to take out my radio again. I just dont want anyone spending so much money to fix it when there is such a simple solution

 

Please post pictures when you can. There are tons of us out there that have this same problem and are looking at serious change to have it fixed.

Thanks

 

i have the same problem with my stereo and ac. the fix you are talking about is it a thin white flex cable on the bottom of the unit? i will try and get a pic tomorrow showing the flex cable.

 

bose headunit.

 

idk that might be it. We didnt get to see it since the radio was not completely taken out. All he did was stick his finger in there, the bottome right side of it and wiggle something small. And it fixed EVERYTHING. the ac wouldnt go crazy and the radio worked and alll the problems fixed. and boom A LOT of money saved becuase the dealership makes you pay for a new one

 

I'm inclined to think your fix only works for the 2005 and newer as the 2003-2004 model used a different unit than to 2005-2006. But I could be wrong...