Pressure switch code problem 00819-30.00
#1
Pressure switch code problem 00819-30.00
I’m beating my head trying to figure this out . I replaced sensor with new from Audi,pump used, control head used (twice) checked signal wire back to head still same codes
#3
does anyone know where the wiring is prone to fail or how to get the dash out of the way enough to inspect it?
#5
#6
AudiWorld Member
When my 02 had this issue it was due to no refrigerant in the system. Bought it with a broken timing belt so I could not test A/C. Turns out there was a hole in the condenser. Maybe check that there is R134A in the system, needs a certain pressure before the compressor clutch will activate. Guessing ECON button is on the HVAC control unit?
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