A/C won't turn off, the fan won't go higher or lower, niether will the temp, can't defrost or anything. the controls for the a/c are not working.no vagcodes either. any ideas?
thank you
Sean

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PUNK IN DRUBLIC
2000,A4 1.8TQM,APR 91,APR R1,Labree HFC,Techtonic exhaust,Koni coilovers, B&M ss,APR snub,18X8 B7 RS4 reps.RS4 grill,Lip spoiler,VDO boost gauge.Spec lwfl,Spec Stage 1 clutch

possibly the HVAC control unit

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01 A4 1.8T Quattro Sport
Eibach, Hotchkis, Upsolute, Borla

I had the same problem the other morning. I took the unit out and sprayed every contact I could get to w/ contact cleaner. It seem the previous owner spilled coke/coffee down the face of it. Been working fine for a week now.