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Old 04-19-2015, 11:28 AM   #1
Registered User
Join Date: Aug 2010
Location: Dublin, Ireland
Posts: 71
My Ride: 318Ci Convertible
Aircon Pressure Sensor needs replacement (as per INPA) ?

Hi all,

INPA gives me the following


Date: 04/19/15 12:02:08
JobStatus: OKAY
Variant: IHKA46_3

RESULT: 2 errors in error memory !

31 Pressure sensor

Error frequency : 10

Short circuit to batt+
Error present

32 AUC heating

Error frequency : 34

Short circuit to ground

Can someone please advise me as to what is wrong or if the sensor needs replacement, as to where it's located ?

And if it does need replacement, what does the second "32 AUC heating" item mean ?

I have a problem whereby my Radiator Fan is Always ON. I've changed the Fan and the Coolant Temp Sensor, with no resolution.
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Old Yesterday, 02:43 PM   #2
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Join Date: Apr 2015
Location: IRELAND
Posts: 9
My Ride: E46 320D
The pressure sensor is located at the air dryer container.
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