HVAC problem

   #1  

Fredrick Awuor

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Hello guys....ECU logs a sympathy code for AC,while going directly to HVAC,no fault code found,can this be a bug in the ECU?.....client claims AC high pressure sender was replaced sometimes back in another workshop when it refused to work.....at the moment AC works just fine .. fault frequency of 79 on ECU is weird .. erasing error on ECU and it comes back immediately the AC is switched on,any hints will be greatly appreciated

Code:
Tuesday,26,March,2019,13:18:43:21182
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 18.9.1.0 (x64)  HEX-V2 CB: 0.4437.4
Data version: 20190114 DS296.0
www.Ross-Tech.com


VIN: WVWZZZ1KZAM695976   License Plate: 
Mileage: 103990km-64616mi   Repair Order: 



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 1K-VW36 (1K0)
Scan: 01 02 03 08 09 15 16 17 19 25 42 44 46 52 56 62 72

VIN: WVWZZZ1KZAM695976   Mileage: 103990km-64616miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- 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: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
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
52-Door Elect, Pass. -- Status: Malfunction 0010
56-Radio -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (CAX)       Labels: 03C-906-016-CAX.clb
   Part No SW: 03C 906 016 AM    HW: 03C 907 309 A
   Component: MED17.5.5           9970  
   Revision: LCH02---    Serial number:               
   Coding: 0000077
   Shop #: WSC 83300 981 115807
   VCID: 6A8DC02DB07AC2B7209-803E

3 Faults Found:
053285 - Please Check Fault Codes in Control Module for HVAC (J301) 
               U1025 - 000 -  - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 0
                    Fault Frequency: 79
                    Reset counter: 255
                    Time Indication: 0
                    Date: 2047.15.31
                    Time: 31:63:63

             Freeze Frame:
                    RPM: 0 /min
                    Load: 0.0 %
                    Speed: 0.0 km/h
                    Temperature: 68.0°C
                    Temperature: 54.0°C
                    Absolute Pres.: 820.0 mbar
                    Voltage: 12.446 V

001056 - Catalyst System; Bank 1 
               P0420 - 000 - Efficiency Below Threshold - MIL ON
             Freeze Frame:
                    Fault Status: 11100000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 101307 km
                    Time Indication: 0
                    Date: 2013.07.07
                    Time: 02:32:16

             Freeze Frame:
                    RPM: 2026 /min
                    Load: 32.1 %
                    Speed: 92.0 km/h
                    Temperature: 87.0°C
                    Temperature: 46.0°C
                    Absolute Pres.: 810.0 mbar
                    Voltage: 13.843 V

005241 - Brake Boost Vacuum System 
               P1479 - 000 - Mechanical Failure - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 103008 km
                    Time Indication: 0
                    Date: 2013.08.02
                    Time: 00:48:11

             Freeze Frame:
                    RPM: 834 /min
                    Load: 48.6 %
                    Speed: 0.0 km/h
                    Temperature: 87.0°C
                    Temperature: 56.0°C
                    Absolute Pres.: 820.0 mbar
                    Voltage: 13.462 V

Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 0AM-927-769.clb
   Part No SW: 0AM 300 048 L    HW: 0AM 927 769 D
   Component: GSG DSG AG7     431 2669  
   Revision: 00043014    Serial number: CU501311167244
   Coding: 0000020
   Shop #: WSC 54094 000 1048576
   VCID: 392F2F61855CB92F993-806C

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
   Part No SW: 1K0 907 379 AJ    HW: 1K0 907 379 AJ
   Component: ESP MK60EC1   H30 0107  
   Revision: 00H30001    
   Coding: 133B400D092B00FFC81402EB901F0080310000
   Shop #: WSC 00066 000 00000
   VCID: 7AADF06DCCDA7237D09-802E

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J301)       Labels:| 3C8-907-336.clb
   Part No SW: 3C8 907 336 AB    HW: 3C8 907 336 AB
   Component: Climatic      H14 0305  
   Revision: 00009001    
   Coding: 0000001002
   Shop #: WSC 00066 000 00147
   ASAM Dataset: EV_Climatic A01005
   ROD: EV_ClimaBasis_VW36.rod
   VCID: 6D87CB318D14D58F45B-8038

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 1K0-937-08x-09.clb
   Part No SW: 5K0 937 084 C    HW: 5K0 937 084 C
   Component: BCM PQ35 B    011 0029  
   Revision: BG011001    
   Coding: 0C180E3A982D02C0440000800000002403000088525D8960648000000000
   Shop #: WSC 12345 123 61029
   VCID: 323D184D542A4A77589-8066

   Subsystem 1 - Part No: 1K2 955 119 F  Labels: 1KX-955-119.CLB
   Component: Wischer 22051  21  0512 
   Coding: 009795

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 5K0 959 655 E    HW: 5K0 959 655 E
   Component: AirbagVW10G   037 0606  
   Serial number: 003FLR00M1MP  
   Coding: 00003138
   Shop #: WSC 00066 000 00000
   ASAM Dataset: EV_AirbaVW10SMEVW360 A01011
   ROD: EV_AirbaVW10SMEVW360.rod
   VCID: 3C21367586EE8C07825-8068

   Crash sensor for side airbag: driver side: 
   Subsystem 1 - Part No SW: 1KM 955 557     HW: 1KM 955 557 
   Component: S.Sens.Fahr.V  H01 ---- 
   Serial number: 3572MSME44716551ZZZQ

   Crash sensor for side airbag: front passenger side: 
   Subsystem 2 - Part No SW: 1KM 955 557     HW: 1KM 955 557 
   Component: S.Sens.Beif.V  H01 ---- 
   Serial number: 3582MSME242F6251ZZZV

   Crash sensor for side airbag: rear: driver side: 
   Component: S.Sens.Fahr.H  --- ---- 
   Serial number: 3511HSME3D412921ZZZG

   Crash sensor for side airbag: rear: passenger side: 
   Component: S.Sens.Beif.H  --- ---- 
   Serial number: 3521HSME192F3821ZZZN

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1K0-953-549-MY9.lbl
   Part No SW: 1K0 953 549 CP    HW: 1K0 953 549 CP
   Component: J0527           053 0111  
   Coding: 0001004
   Shop #: WSC 00066 000 00000
   VCID: 025D888DA80A3AF7889-8056

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 5K0 920 860 H    HW: 5K0 920 860 H
   Component: KOMBI         H04 0308  
   Serial number: 00000000000000
   Coding: 570B00
   Shop #: WSC 00066 000 00147
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04052
   ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
   VCID: 313F174151AC716F213-8064

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 1K0-907-530-V4.clb
   Part No SW: 1K0 907 530 AD    HW: 1K0 907 951 
   Component: J533  Gateway   H07 0112  
   Revision:   H07 01    Serial number: 090510F2000200
   Coding: ED807F06000202002003
   Shop #: WSC 00066 000 00000
   VCID: 698FBF21B57CC9AF293-803C

1 Fault Found:
01305 - Databus for Infotainment 
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 1
                    Fault Frequency: 1
                    Reset counter: 245
                    Mileage: 87338 km
                    Time Indication: 0
                    Date: 2012.06.30
                    Time: 04:12:06


-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234 
   Component: IMMO          H04 0308  
   Serial number:               
   Coding: 000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03005
   ROD: EV_Immo_UDS_VDD_RM09.rod
   VCID: 6A8DC02DBCFAC2B7209-803E

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 3C0-959-70X-GEN4.clb
   Part No SW: 3C0 959 701 C    HW: 3C0 959 793 A
   Component: TUER-SG FT    002 0308  
   Revision: 12101005    Serial number: 0000872788
   Coding: 0012B6
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_DCU42BroseDriveSide A03004
   ROD: EV_DCU42BroseDriveSide_VW36.rod
   VCID: 2809FA25627630A7F6D-807C

   Slave Driver: 
   Subsystem 1 - Part No SW: 1K0 959 704 AG    HW: 1K0 959 794 R
   Component: J389__TSG-HR  006 1401 
   Serial number: 00000004862199      
   Coding: 000290

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 1K0 909 144 J
   Component: EPS_ZFLS Kl. 69     3001  
   Revision: 00H17000    
   Shop #: WSC 02069 000 90108
   VCID: 313F17415D2C716F213-8064

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 3C0-959-70X-GEN4.clb
   Part No SW: 3C0 959 702 C    HW: 3C0 959 792 A
   Component: TUER-SG BT    002 0308  
   Revision: 14101005    Serial number: 0000889693
   Coding: 0013B6
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_DCU52BrosePasseSide A03004
   ROD: EV_DCU52BrosePasseSide_VW36.rod
   VCID: 290FFF21797C09AFE93-807C

   Slave Passenger: 
   Subsystem 1 - Part No SW: 1K0 959 703 AG    HW: 1K0 959 795 R
   Component: J388__TSG-HL  006 1401 
   Serial number: 00000004852962      
   Coding: 000290

1 Fault Found:
67589 - Turn Signal in Exterior Mirror 
          B11FD 01 [008] - Electrical Failure
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 254
                    Reset counter: 182
                    Mileage: 102782 km
                    Date: 2019.03.08
                    Time: 00:53:29


-------------------------------------------------------------------------------
Address 56: Radio
Cannot be reached

End----------(Elapsed Time: 01:04, VBatt start/end: 13.7V/13.7V)-----------
 
Last edited by a moderator:
   #2  

Uwe

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VCDS Serial number
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It could also be a bug in the HVAC module, or some other.

It looks like there is a software update (0305 -> 0306) available for the HVAC module.

Are all the parts in this car original?

-Uwe-
 
   #3  

Fredrick Awuor

Verified VCDS User
Verified
Joined
Jul 14, 2017
Messages
200
Reaction score
131
Location
Kenya
VCDS Serial number
C?ID=309834
It could also be a bug in the HVAC module, or some other.

It looks like there is a software update (0305 -> 0306) available for the HVAC module.

Are all the parts in this car original?

-Uwe-

Thanks ,apart from the high pressure sender that I couldn't scrutinize, all others are original
 
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