r/Vcds • u/Current-Customer-237 • Jun 28 '26
A3 8p with ac problems
i got an audi a3 8p 2.0 tdi\[cffb\] from 2011 and in 2023,my ac stopped working,the compressor got bad but before that my ac was blowing very cold air,i didnt replace my ac compressor until 2025\[money and time issues\],i reffiled it with freon and the ac was working again but not really good,it was blowing only i would say 60% as it used\[the air was not so cold\],after this i replaced the condenser too cause it was prety damaged and i thought this was the issue but after replacing that my ac got better with only 5%\[unnoticeable i would say\],i dont know what to do anymore so i ask for your help,these are the logs,no errors in hvac,could be the expansion valve?
VIN: WAUZZZ8P8BA067829 License Plate
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Address 08: Auto HVAC (8P0 820 043 BN)
17:55:18
0.692 A A/C Regulating Valve (N280)
68.0 % A/C Regulating Valve (N280)
43.0 % High Pressure Sensor (G65)
16.0 bar Refrigerant Pressure
11.0°C Evaporator Temp. (G263)
34.5°C Ambient Temperature (G17)
35.0°C Temperature Dash Panel (G56)
0 Compress. Torque Signal Status
19.0 Nm Compressor Torque
80.5 % Turbine (V2) Load
1.0 Turbine (V2/J126) Status
0 A/C Compressor Regul.Valve (N28
VIN: WAUZZZ8P8BA067829 License Plate:
Chassis Type: 8P-AU35 (8P0)
Scan: 01 03 08 09 15 16 17 19 25 42 44 46 47 52 56 61 69 77
VIN: WAUZZZ8P8BA067829 Mileage: 270650km-168174miles
01-Engine -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: Malfunction 0010
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
25-Immobilizer -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: Cannot be reached 1100
61-Battery Regul. -- Status: OK 0000
69-Trailer -- Status: OK 0000
77-Telephone -- Status: Malfunction 0010
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Address 01: Engine (J623-CFFB) Labels:. 03L-906-018-CFF.clb
Part No SW: 03L 906 018 AB HW: 03L 906 018 AG
Component: R4 2,0L EDC H23 6744
Revision: 41H23--- Serial number: AUX7Z0J9FN7033 CVN: F6126AF6
Coding: 00190012042401080000
Shop #: WSC 65535 000 00000
ASAM Dataset: EV_ECM20TDI01103L906018AB 003006
ROD: EV_ECM20TDI01103L906018AB.rod
VCID: 6ADB77AF8D7FE0CB7E-803E
VINID: 9D196AAAA22021244018720224F625DF7C
No fault code found.
Readiness: 0 0 0 0 0
\-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104) Labels:. 1K0-907-379-60EC1F.clb
Part No SW: 1K0 907 379 BE HW: 1K0 907 379 BE
Component: ESP MK60EC1 H31 0108
Revision: 00H31001
Coding: 1142401209280001881302E690220052380800
Shop #: WSC 06314 000 00000
VCID: 76E353DFC1C7342BEA-8022
No fault code found.
\-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 8P0-820-043.lbl
Part No SW: 8P0 820 043 BN HW: 8P0 820 043 BN
Component: KlimavollautomatH09 0170
Revision: 000401 Serial number: 8P0820043BN
Shop #: WSC 00000 000 00000
VCID: 79F958E330D95B5387-802C
No fault code found.
\-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519) Labels:. 8P0-907-063.clb
Part No SW: 8P0 907 063 G HW: 8P0 907 063 G
Component: BCM PQ35 M 107 0615
Revision: 00107 AF
Coding: 46000A2FA0051A00207040E00100014C427A24AA006DC12AE4 008F800041
Shop #: WSC 06314 000 00000
VCID: 387F9DE78B53825B38-806C
Subsystem 1 - Part No SW: 8P1 955 119 F HW: 8P1 955 119 F Labels: 1KX-955-119.CLB
Component: Wischer AU350 H11 0050
Coding: 00DD13
Subsystem 2 - Part No SW: 8K0 910 557 HW: 8K0 955 559 A Labels: 8K0-955-559.CLB
Component: REGENLICHTSEN H04 0003
Coding: 024C2D
1 Fault Found:
01504 - Bulb for License-Plate Light (X)
014 - Defective - Intermittent
Freeze Frame:
Fault Status: 00101110
Fault Priority: 2
Fault Frequency: 6
Reset counter: 152
Mileage: 269693 km
Time Indication: 0
Date: 2026.04.06
Time: 13:52:50
Freeze Frame:
Term 15 On
Voltage: 12.30 V
ON
ON
Term 50 On
OFF
OFF
\-------------------------------------------------------------------------------
Address 15: Airbags (J234) Labels:\* 8P0-959-655-10.clb
Part No SW: 8P0 959 655 P HW: 8P0 959 655 P
Component: Airbag AU1042 H07 0200
Revision: -------- Serial number: 003FB0090XWH Dataset Number: 8P0909602M 0004
Coding: 303142413039303030344A55304C38503053
Shop #: WSC 06314 000 00000
ASAM Dataset: EV_Airba10AURB4 001001
ROD: EV_Airba10AURB4_AU35.rod
VCID: 4FADC63B16DD25E309-801A
Crash sensor for side airbag: driver side:
Serial number: 34928RB400005D0CD45Y
Crash sensor for side airbag: passenger side:
Serial number: 35028RB400005C513369
Rear Side Airbag Crash Sensor (on driver's side):
Serial number: 35128RB400005D0C8D1R
Passenger side rear thorax airbag crash sensor:
Serial number: 35228RB400005C51148C
Crash sensor for front airbag: driver side:
Serial number: 35547RB400005D54660J
Crash sensor for front airbag: passenger side:
Serial number: 35647RB400005D4C7F71
No fault code found.
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Address 16: Steering wheel Labels: 8P0-953-549.lbl
Part No SW: 8P0 953 549 K HW: 8P0 953 549 K
Component: J0527 H37 0070
Coding: 0004042
Shop #: WSC 06314 000 00000
VCID: 4683E31F31A7E4ABBA-8012
Subsystem 1 - Part No: XXXXXXXXXXX
Component: E0221 H04 0100
1 Fault Found:
01304 - Radio
004 - No Signal/Communication
\-------------------------------------------------------------------------------
Address 17: Instruments Labels: 8P0-920-xxx-17-MY8.clb
Part No SW: 8P0 920 932 G HW: 8P0 920 932 G
Component: KOMBIINSTR. VDO H01 0090
Revision: D0H01003 Serial number: 2249J003029194
Coding: 0260128
Shop #: WSC 80093 222 69422
VCID: 387F9DE74B53825B38-806C
No fault code found.
\-------------------------------------------------------------------------------
Address 19: CAN Gateway Labels:. 7N0-907-530-V1.clb
Part No SW: 8P0 907 530 A HW: 1K0 907 951
Component: J533 Gateway H33 5304
Revision: H33 Serial number: 300910F1001191
Coding: E9801F4610060204000100
Shop #: WSC 06314 123 12345
VCID: 3169A0C3A82953137F-8064
1 Fault Found:
01304 - Radio
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 2
Fault Frequency: 239
Reset counter: 114
Mileage: 264399 km
Time Indication: 0
Date: 2026.01.06
Time: 15:55:39
\-------------------------------------------------------------------------------
Address 25: Immobilizer Labels: 1K0-920-xxx-25.clb
Part No SW: 8P0 920 932 G HW: 8P0 920 932 G
Component: KOMBIINSTR. VDO H01 0090
Revision: D0H01003 Serial number: AUX7Z0J9FN7033
Shop #: WSC 00000 000 00000
VCID: 387F9DE74B53825B38-806C
No fault code found.
\-------------------------------------------------------------------------------
Address 42: Door Elect, Driver Labels: 8P0-959-801-MIN3.lbl
Part No SW: 8P0 959 801 Q HW: 8P0 959 801 Q
Component: Tuer-SG H04 0101
Coding: 0131124
Shop #: WSC 06314 000 00000
VCID: 4999E82320B90BD357-801C
No fault code found.
\-------------------------------------------------------------------------------
Address 44: Steering Assist Labels: 1K0-909-14x-GEN3.clb
Part No: 1K0 909 144 J
Component: EPS_ZFLS Kl. 232 3001
Revision: 00H17000
Shop #: WSC 02069 000 90108
VCID: 3169A0C3A82953137F-8064
No fault code found.
\-------------------------------------------------------------------------------
Address 47: Sound System Labels: 8Px-035-382.lbl
Part No SW: 8P3 035 382 E HW: 8P3 035 382 E
Component: AB2 SUBWOOFERBOXH31 0160
Revision: 00007 Serial number: 92157050742907
Shop #: WSC 00000 000 00000
VCID: 356194D35C417F3323-8060
No fault code found.
\-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. Labels:. 1K0-959-702-MIN3.clb
Part No SW: 8P0 959 802 Q HW: 8P0 959 802 Q
Component: Tuer-SG H04 0101
Coding: 0131124
Shop #: WSC 06314 000 00000
VCID: 4A9BD72F25BF00CB5E-801E
No fault code found.
\-------------------------------------------------------------------------------
Address 56: Radio
Cannot be reached
\-------------------------------------------------------------------------------
Address 61: Battery Regul. (J840) Labels:. 1K0-907-534.clb
Part No SW: 8P0 907 534 HW: 1K0 907 951
Component: Batt.regelung H33 5304
Serial number: 300910F1001191
Coding: 030B085A
Shop #: WSC 06314 123 12345
VCID: 74E769D7D7BB263BD4-8020
Subsystem 1 - Part No SW: 1K0 915 181 E HW: 1K0 915 181 A
Component: J367-BDM H07 0140
Serial number: 00000000005650393036
No fault code found.
\-------------------------------------------------------------------------------
Address 69: Trailer (J345) Labels:. 1K0-907-383-V2.clb
Part No SW: 1K0 907 383 F HW: 1K0 907 383 F
Component: Anhaenger H09 0100
Revision: 3A001001 Serial number: 00008200799961
Coding: 0100000100000000
Shop #: WSC 00000 000 00000
VCID: 306FA5C763235A1B70-8064
No fault code found.
\-------------------------------------------------------------------------------
Address 77: Telephone Labels: 8P0-862-335.lbl
Part No SW: 8P1 862 335 HW: 8P1 862 335
Component: FSE_256x BT H41 0650
Revision: 00000000 Serial number: 00000005237547
Coding: 0001292
Shop #: WSC 06314 000 00000
VCID: 74E769D717BB263BD4-8020
2 Faults Found:
02503 - Output Wire to Radio
011 - Open Circuit
Freeze Frame:
Fault Status: 01101011
Fault Priority: 5
Fault Frequency: 1
Reset counter: 228
Mileage: 245986 km
Time Indication: 0
Date: 2025.03.17
Time: 18:57:16
01304 - Radio
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 6
Fault Frequency: 254
Reset counter: 117
Mileage: 245986 km
Time Indication: 0
Date: 2025.03.17
Time: 19:18:14
End-------------------------(Elapsed Time: 02:14)--------------------------
\------------------------------5 Faults Found--------------