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AC compressor not kicking in

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AC compressor not kicking in

Old 07-23-2018, 08:59 AM
2nd Gear
Thread Starter
Join Date: Jul 2008
Location: Brighton, MI
Posts: 1,084
Default AC compressor not kicking in

Car is 2006 A3 2.0T FWD DSG auto
AC stopped working.
Have 150 psi on low and high side (so compressor not kicking in).
Have high pressure sensor code (and air quality sensor code, but assume that one has nothing to do with the compressor not kicking in). Replace with new sensor, no change (still have the code, comes right back).

Can someone post or link the wiring diagram for the AC system? With the high pressure sensor code coming back, I need to check the wiring I pressume.


VCDS Version: Release 18.2.1 (x64) Running on Windows 7 x64

Ross-Tech: Home

Address 08: Auto HVAC Labels: 8P0-820-043.lbl

Control Module Part Number: 8P0 820 043 M HW: 8P0 820 043 M

Component and/or Version: KlimavollautomatH18 0260

Software Coding:

Work Shop Code: WSC 06314 000 00000

VCID: 3662AB3F4149CCF4CD-8062

Fault Codes have been Erased

2 Faults Found:

00819 - High Pressure Sensor (G65)

009 - Open or Short to Ground

Freeze Frame:

Fault Status: 01101001

Fault Priority: 3

Fault Frequency: 11

Reset counter: 162

Mileage: 242973 km

Time Indication: 0

Date: 2018.07.08

Time: 18:06:09

Freeze Frame:

Temperature: 34.5C

Voltage: 13.90 V

RPM: 1550 /min

Load: 81.0 %

Load: 73.0 %

01592 - Air Quality Sensor (G238)

010 - Open or Short to Plus

Freeze Frame:

Fault Status: 01101010

Fault Priority: 3

Fault Frequency: 2

Reset counter: 161

Mileage: 242973 km

Time Indication: 0

Date: 2018.07.08

Time: 18:06:10

Freeze Frame:

Temperature: -50.0C
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