My 2004 S60R is also experiencing issues with the AC cutting out. My wife has a 2004 S60 so I decided to switch the relays to check that first. It wasn't the relay. I already had an issue with a broken front top engine mount which I believe lead to a broken weld on the upper radiator. Long story sho...

I just got back from AutoZone and they were kind enough to pull out their ODB2 scanner and provide me with an error code P2231 which i assume is why my Check Engine light has come on. They told me it was Bank 1 Sensor 1 and said it was the #1 O2 sensor. I wanted to ask some questions or do a little ...