All I can tell so far is that when I turn the a/c on, I can hear the engine area change sound like it is adjusting. Not sure how useful that is. Also, I have the service manual and it says it could be 3 different things, one of which is the amount of refrigerant too low or high.
The snow flake is on the display. If I'm not mistaken that is the compressor symbol right? I thought that was just a software thing and not related to whether the compressor was working or not.
I am actually trying to work on a CEL (not related to a/c) so I did disconnect the battery. I'm about to go out for a drive to test some things so will report back on the a/c issue.
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