2001 A4 Outside Air Temperature eratic

I

imported_ptm

Guest
My Outside Air Temperature readout randomly drops down into the freezing temperatures even though actual OAT is in the 80s.
Is this a faulty sensor or is it a way for the automatic climate control system to be sending me some other kind of message?
Is it tied into the climate control system so that this fault compromises the system by turning off the air conditioner?
Where is sensor located and how do I replace.
Thanking anyone,
ptm
 

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