2006 Audi A4 AUDI misc electrical - 036906051CBRAKE ... (Amanda Vaughn) But some people have luck with undoing the top portion of the bumper squeezing there hands through. The system gets shut off and it does not. The AC Refrigerant pressure switch monitors the pressure inside the AC system.
I was told by the previous owner that the high pressure switch is reported to be fault according to A/C control unit codes.
When this happens, they can override the AC control system and stop the This is because sometimes when a Pressure Switch is failing, instead of making the AC operate underpowered, it can make it do some other weird.
The AC Refrigerant pressure switch monitors the pressure inside the AC system. But some people have luck with undoing the top portion of the bumper squeezing there hands through. Think my switch may be bad, my scan tool has a false reading for the pressure.
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