2005 Lincoln Navigator code c1726 , there telling me that my compressor is bad. on 2003 Lincoln Navigator

Is this the only thing that can be bad on vehicle with this code,compressor will not come on at all?

Asked by for the 2003 Lincoln Navigator
Hard to disagree with someone that can actually test the vehicle! Can always get another opinion. That is not the only possibility though. But it is moot to guess at it.