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Thread: Audi A7 2013 - 3.0TDI Rear Aircon/HVAC issue

  1. #1
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    Audi A7 2013 - 3.0TDI Rear Aircon/HVAC issue

    Hi all,

    First post with my shiny new VCDS cable!

    My car runs/works fine as far as I can tell, but when I did a scan, I noticed an error on the rear HVAC.

    At first, I thought it was a faulty motor, so bought x2 more 2nd hand ones - still showing the error.
    Swapped the left motor (which seems to have no error on it over and - still showing the error.

    I've tried to do a basic setting, but when I do the flap adjust, it runs for a few seconds (I can see/hear BOTH rear flaps moving) and then instead of ending with 'successful', it ends with 'unknown'.

    The system does appear to work, but I don't want errors on my car.

    :-)

    Any help greatly appreciated!

    Thanks,

    Now onto the full auto scan:

    Code:
    a\SZQTuesday,17,September,2019,17:37:25:13701
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.1.0 (x64)  HEX-V2 CB: 0.4508.4
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ4G3EN016385   License Plate: 
    
    
    Gateway Installation List:  4G0 907 468 AC
    
    01-Engine -- Status: OK 0000
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: OK 0000
    10-Park/Steer Assist -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    28-HVAC, Rear -- Status: Malfunction 0010
    30-Special Function II -- Status: OK 0000
    36-Seat Mem. Drvr -- Status: OK 0000
    3B-Sensor Elect. -- 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: OK 0000
    53-Parking Brake -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    56-Radio -- Status: OK 0000
    5F-Information Electr. -- Status: OK 0000
    62-Door, Rear Left -- Status: OK 0000
    6D-Trunk Elect. -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    82-Heads Up Display -- Status: OK 0000
    85-On Board Cam. -- Status: OK 0000
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 4G-AU57 (4G0)
    Scan: 01 02 03 05 08 09 10 15 16 17 19 28 30 36 3B 42 44 46 52 53
              55 56 5F 62 6D 72 82 85
    
    VIN: WAUZZZ4G3EN016385   Mileage: 83810km-52077miles
    
    01-Engine -- Status: OK 0000
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: OK 0000
    10-Park/Steer Assist -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    28-HVAC, Rear -- Status: Malfunction 0010
    30-Special Function II -- Status: OK 0000
    36-Seat Mem. Drvr -- Status: OK 0000
    3B-Sensor Elect. -- 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: OK 0000
    53-Parking Brake -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    56-Radio -- Status: OK 0000
    5F-Information Electr. -- Status: OK 0000
    62-Door, Rear Left -- Status: OK 0000
    6D-Trunk Elect. -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    82-Heads Up Display -- Status: OK 0000
    85-On Board Cam. -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CLAA)       Labels:. 059-907-401-V2.clb
       Part No SW: 4G0 907 311 E    HW: 4G0 907 401 
       Component: 3.0TDI EDC17  X41 0002  
       Revision: 53X41---    
       Coding: 1A254012042601020800
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_ECM30TDI0114G0907311E 001002
       ROD: EV_ECM30TDI0114G0907311E.rod
       VCID: 2517F1B2B5625E7F99F-8070
    
    No fault code found.
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans (J217)       Labels:| 0B5-927-156.clb
       Part No SW: 4G5 927 156     HW: 0B5 927 156 J
       Component: 0B5 30 TDIRdW H02 0002  
       Revision: --H02---    
       Coding: 000001
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_TCMDL501021 001015
       ROD: EV_TCMDL501021.rod
       VCID: 6E85CE9E20145D27285-803A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels:. 4G0-907-379-V1.clb
       Part No SW: 4G0 907 379 L    HW: 4G0 907 379 L
       Component: ESP PREMIUM   H09 0450  
       Revision: --------    Serial number: --------------
       Coding: 07A69F03E065F9C0DB00
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_ESPPremiAU57X 004039
       ROD: EV_ESPPremiAU57X_004_AU57.rod
       VCID: 3A2D32CE2CDCC187C4D-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
       Part No SW: 4H0 907 064 CP    HW: 4H0 907 064 CP
       Component: BCM2 2.0      H33 0433  
       Revision: 00002001    
       Coding: 05BA2F46000000000000
       Shop #: WSC 02391 785 00200
       VCID: 79AFEDC269DA0A9F8D7-802C
    
       Subsystem 2 - Part No SW: 4H0 905 852 C    HW: 4H0 905 852 C
       Component: J764 ELV MLB  H40 0046 
       Serial number: 2313000099284011    
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels:| 4G0-820-043-4Z.clb
       Part No SW: 4G0 820 043 AE    HW: 4G0 820 043 AE
       Component: KLIMA 4 ZONEN H13 0087  
       Serial number: 11061300040533
       Coding: 362300B83D
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_AirCondiComfoUDS 002040
       ROD: EV_AirCondiComfoUDS_002.rod
       VCID: 629DAAAEE4CCE947BCD-8036
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 4H0-907-063-V1.clb
       Part No SW: 4H0 907 063 CF    HW: 4H0 907 063 F
       Component: BCM1 2.0      H12 0130  
       Revision: 20012002    Serial number: 00000001448647
       Coding: 0200A01050B49FE04181008380001908CF9DC30A2F080201000008406100
       Shop #: WSC 02391 785 00200
       VCID: 6E85CE9E20945D27285-803A
    
       Subsystem 1 - Part No SW: 4G2 955 119     HW: 4G8 955 119 A  Labels: 1KX-955-119.CLB
       Component: WWS57X 130526  H36 0080 
       Serial number:         130603050609
       Coding: 0045F7
    
       Subsystem 2 - Part No SW: 8U0 955 559 B    HW: 8U0 955 559 B  Labels: 8U0-955-559.CLB
       Component: G397_RLFS  H06 0002 
       Serial number: 21399059            
       Coding: 02006E
    
       Subsystem 3 - Part No SW: 4G0 941 531 AA    HW: 4G0 941 531 AA
       Component: E1 - LDS  H07 0044 
       Serial number: 04 06 2013  00001537
    
       Subsystem 4 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
       Component: AQ_Hum_Sensor  H03 0003 
       Serial number: B6498FA6000000000001
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 10: Park/Steer Assist (J446)       Labels:| 4H0-919-475-7X2.clb
       Part No SW: 4H0 919 475 AA    HW: 4H0 919 475 AG
       Component: PARKHILFE ACC H01 0083  
       Revision: 11001001    Serial number: 61061315800360
       Coding: 88C304
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_EPHVA18AU57X0000 004009
       ROD: EV_EPHVA18AU57X0000_004.rod
       VCID: 71BFD5E2312A42DF357-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:* 4H0-959-655.clb
       Part No SW: 4H0 959 655 C    HW: 4H0 959 655 C
       Component: Airbag10.43   H43 0040  
       Revision: --------    Serial number: 003JG00DKW0H
       Coding: 3031453032314E303133554A305234473853
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_AirbaAU10BPAAU64X 001014
       ROD: EV_AirbaAU10BPAAU64X_VW51.rod
       VCID: 363526FE18C425E7205-8062
    
       Crash sensor for side airbag: driver side: 
       Serial number: 3575HRB405J20N96BHCB
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 3585HRB405B217NU3GDJ
    
       Crash sensor for side airbag: rear: driver side: 
       Serial number: 3515JRB400G50HQCJQ3R
    
       Crash sensor for side airbag: rear: passenger side: 
       Serial number: 3525JRB401250IBUI1VL
    
       Crash sensor for front airbag: driver side: 
       Serial number: 3554VRB400O50ITUJA2C
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 3564VRB401050ITU5PJ8
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:. 4H0-953-568.clb
       Part No SW: 4G0 953 568 A    HW: 4G0 953 568 A
       Component: Lenks.Modul   H05 0201  
       Revision: 00000000    Serial number: 20130614000167
       Coding: 000034
       Shop #: WSC 02391 785 00200
       VCID: 303910E6FA200BD77A9-8064
    
       Subsystem 1 - Part No SW: 4G0 951 528 A    HW: 4G0 951 528 A
       Component: E221 - MFL  H08 0010 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 4H0-920-xxx-17.clb-SRI1
       Part No SW: 4G8 920 984 H    HW: 4G8 920 984 H
       Component: TDieGb        H80 0618  
       Revision: 30460230    Serial number: 658040613596008
       Coding: 23AF00020B432600010300
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_RBD4K 004048
       ROD: EV_RBD4K_AU57.rod
       VCID: 3B2337CA23E6F88FDFB-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:* None
       Part No SW: 4G0 907 468 AC    HW: 4G0 907 468 AC
       Component: J533--Gateway H12 0037  
       Revision: --------    Serial number: 00000000973384
       Coding: 00CD077D00
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_GatewPkoUDS 001018
       ROD: EV_GatewPkoUDS_001_AU57.rod
       VCID: 71BFD5E2312A42DF357-8024
    
       Battery Monitoring Control Module: 
       Subsystem 1 - Part No SW: 8T0 915 181     HW: 8T0 915 181 
       Component: J367-BDMHella  H03 8041 
       Serial number: 5250870503          
    
       Voltage stabilizer: 
       Subsystem 2 - Part No SW: 8K0 959 663 D    HW: 8K0 959 663 
       Component: J532_DCDCStab  H23 0021 
       Serial number: 13040500000000000305
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 28: HVAC, Rear (E265)       Labels:* 4G0-919-158.clb
       Part No SW: 4G0 919 158 K    HW: 4G0 919 158 K
       Component: KLIMA FOND    H07 0087  
       Serial number: 08061300040014
       Coding: 22
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_ClimaContrUnitRearUDS 002019
       ROD: EV_ClimaContrUnitRearUDS_002.rod
       VCID: 372B2BFA1FCEDCEF3B3-8062
    
    2 Faults Found:
    0033 - Motor for Rear Right Upper Body Vent 
              B10D4 22 [009] - Signal Amplitude Too High
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 103
                        Mileage: 83810 km
                        Date: 2019.09.17
                        Time: 17:35:45
    
                        Voltage terminal 30: 12.27 V
                        Outside air temperature: 26.0 °C
                        Right Rear Upper Body Vent Motor-Act.val.: 11701
                        Right Rear Upper Body Vent Motor-Specified value: 11701
                        Right Rear Upper Body Vent Motor-Stop open: 10000
                        Right Rear Upper Body Vent Motor-Stop closed: 10000
    
    0094 - No Basic Setting 
              B2010 00 [009] - -
              [Basic settings not carried out]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 103
                        Mileage: 83810 km
                        Date: 2019.09.17
                        Time: 17:33:55
    
                        Basic setting of flap motors-Left Rear Upper Body Vent Motor: OK
                        Basic setting of flap motors-Right Rear Upper Body Vent Motor: ERROR
    
    
    -------------------------------------------------------------------------------
    Address 30: Special Function II (J843)       Labels: 8K0-907-440.clb
       Part No SW: 4H0 907 440     HW: 4H0 907 440 
       Component: STS           H06 0030  
       Revision: S0H06000    Serial number: 00000000044277
       Coding: 01010101000000000001000202
       Shop #: WSC 02391 785 00200
       VCID: 6491ACB6FE58E7774E1-8030
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 36: Seat Mem. Drvr (J136)       Labels: None
       Part No SW: 4G8 959 760     HW: 4G8 959 760 
       Component: MEM-FS        H03 0154  
       Revision: AA000000    Serial number: 00000063605523
       Coding: 00781B0000006001000001010101102030303232203232
       Shop #: WSC 02391 785 00200
       VCID: 77ABEBFA5FCE1CEFFB3-8022
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 3B: Sensor Elect. (J849)       Labels: 4G0-907-637.clb
       Part No SW: 4G0 907 637 K    HW: 4G0 907 637 F
       Component: SARA 6D       H02 0056  
       Revision: --------    Serial number: EJ1BPA8203U5UT
       Shop #: WSC 00000 000 00000
       ASAM Dataset: EV_SARA2 005012
       ROD: EV_SARA2.rod
       VCID: 363526FE18C425E7205-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:. 4H0-959-793.clb
       Part No SW: 4G8 959 793 J    HW: 4G8 959 793 G
       Component: TSG FA        H03 0507  
       Revision: --------    Serial number: --------------
       Coding: 011F56025E21620002080402
       Shop #: WSC 02391 785 00200
       VCID: 47CB5B3A6FAEAC6F4B3-8012
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist (J500)       Labels:| 4G0-909-144.clb
       Part No SW: 4G0 909 144 L    HW: 4G0 909 144 G
       Component: RCEPS         H36 0010  
       Revision: 00001000    Serial number: 0008568708
       Coding: 101000010000
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_RCEPS 009008
       ROD: EV_RCEPS_009.rod
       VCID: 323D1AEEF4AC39C70CD-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv. (J393)       Labels:. 4H0-907-064-46.clb
       Part No SW: 4H0 907 064 CP    HW: 4H0 907 064 CP
       Component: BCM2 2.0      H33 0433  
       Revision: 00002001    Serial number: 0308908935    
       Coding: 013F0E22A0B9B88583200A0400030D470000000000000000000000000000
       Shop #: WSC 02391 785 00200
       VCID: 79AFEDC269DA0A9F8D7-802C
    
       Subsystem 1 - Part No: 4G0 951 177 
       Component: DWA-Sensor  H01 0010 
    
       Subsystem 2 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HO  H05 1501 
    
       Subsystem 3 - Part No SW: 4G8 959 591     HW: 7P0 959 591 C
       Component: J245 PS40.039  H01 0008 
       Serial number:     WOO2224502Y     
       Coding: 901E00
    
       Subsystem 4 - Part No SW: 4G8 959 252     HW: 4G8 959 252 
       Component: HSP-SG  H11 0029 
       Serial number: WA106023000003815468
    
       Subsystem 5 - Part No SW: 3AA 962 243 B    HW: 3AA 962 243 B
       Component: GEB.F.Heckoef  H16 0810 
       Serial number: 93027703            
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:. 4H0-959-792.clb
       Part No SW: 4G8 959 792 J    HW: 4G8 959 792 G
       Component: TSG BF        H03 0507  
       Revision: --------    Serial number: --------------
       Coding: 011F56025E21620002080402
       Shop #: WSC 02391 785 00200
       VCID: 46D5563E68A4B567B05-8012
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake (----)       Labels: 4H0-907-801.clb
       Part No SW: 4H0 907 801 G    HW: 4H0 907 801 A
       Component: EPB-4         H03 0014  
       Revision: --------    Serial number: 00000000718194
       ASAM Dataset: EV_ParkiBrake 001028
       ROD: EV_ParkiBrake_VW51.rod
       VCID: 2C010496D6886F37461-8078
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range (J431)       Labels:| 4H4-907-357-V1.clb
       Part No SW: 4H4 907 357 C    HW: 4H4 907 357 A
       Component: ....AFS13.... H01 0020  
       Serial number: 130608-0004-024
       Coding: 1123A633F918EB00
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_AdvanFrontSyste 005001
       ROD: EV_AdvanFrontSyste_AU21.rod
       VCID: 323D1AEEF4AC39C70CD-8066
    
       Left Headlamp Power Output Stage: 
    H01 0031 
       Coding: 3A0000
    
       Right Headlamp Power Output Stage: 
    H01 0031 
       Coding: 3A0000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (R)       Labels: Redir Fail!
       Part No SW: 4G0 035 061 S    HW: 4G0 035 061 
       Component: Radio U DAB   H60 0154  
       Revision: AB001007    Serial number: 109FZ0D7684311
       Coding: 010103020100000001
       Shop #: WSC 02391 785 00200
       VCID: 2D070992ED12663F51F-8078
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
       Part No SW: 4G0 035 670 Q    HW: 4G0 035 670 H
       Component: H-BNT-EU      H51 1034  
       Revision: --------    Serial number: 190FR0D7542310
       Coding: 000101040203E5ED45808F3E00000003000001000000000000
       Shop #: WSC 02391 785 00200
       VCID: 313F15E2F12A02DF757-8064
    
       Subsystem 1 - Part No: 8R0 060 884 GA
       Component: EUR 2019  2802 
    
       Subsystem 2 - Part No SW: 4G0 919 605 C    HW: 4G0 919 605 C
       Component: DU8 C7 SV  H43 0021 
       Serial number: AUZ8ZDDD001MPMC     
    
       Subsystem 3 - Part No SW: 4G2 919 610 C    HW: 4G2 919 610 C
       Component: E380 BDT C7  H11 0204 
       Serial number: 90349MF6001BB       
    
       Subsystem 4 - Part No: 8R0 060 961 F
       Component: CD-Database  5298 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left (J388)       Labels: None
       Part No SW: 4G8 959 795 J    HW: 4G8 959 795 G
       Component: TSG HL        H03 0507  
       Revision: --------    Serial number: --------------
       Coding: 010F14024021620002080002
       Shop #: WSC 02391 785 00200
       VCID: 49CF5D0279BA5A1F5D7-801C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 6D: Trunk Elect. (----)       Labels:* Redir Fail!
       Part No SW: 4G8 959 107 Q    HW: 4G8 959 107 F
       Component: HDSG-Modul    H13 0043  
       Revision: 11013001    Serial number: 140300152
       Coding: 0A3305C002
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_HDSGAu573 001022
       ROD: EV_HDSGAu571.rod
       VCID: 43D34F2A5B16804F97B-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right (J389)       Labels: None
       Part No SW: 4G8 959 795 J    HW: 4G8 959 795 G
       Component: TSG HR        H03 0507  
       Revision: --------    Serial number: --------------
       Coding: 010F14024021620002080002
       Shop #: WSC 02391 785 00200
       VCID: 49CF5D0279BA5A1F5D7-801C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 82: Heads Up Display (J898)       Labels:* None
       Part No SW: 4G8 919 604 L    HW: 4G8 919 604 L
       Component: HeadUpDisplay 004 0201  
       Revision: 00000000    Serial number: 00000000000000
       Coding: A20000
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_HUDContiC7 001023
       ROD: EV_HUDContiC7.rod
       VCID: 3C2134D626E8FFB7D61-8068
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 85: On Board Cam. (J852)       Labels:| 7P6-907-217.clb
       Part No SW: 4G0 907 217 A    HW: 4H0 907 217 A
       Component: DPC-SG        H26 0038  
       Revision: --------    Serial number: 262130025421000
       Coding: 64040000
       Shop #: WSC 02391 785 00200
       ASAM Dataset: EV_OnBoardCamerDPC 001007
       ROD: EV_OnBoardCamerDPC.rod
       VCID: 2615F6BEC8645567905-8072
    
    No fault code found.
    
    End----------(Elapsed Time: 02:16, VBatt start/end: 12.2V/12.4V)-----------

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  3. #2
    Verified VCDS User
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    Posts
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    Post Thanks / Like
    Anyone?

    Really would appreciate any suggestions/help...

    I could buy a whole new rear duct and replacement motors from a scrapped car, but they are like £100GBP so seems excessive if it's not something that I know will fix it.


  4. #3
    Verified VCDS User
    Join Date
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    Location
    USA
    Posts
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    Post Thanks / Like
    Quote Originally Posted by Demonmeister View Post
    Anyone?

    Really would appreciate any suggestions/help...

    I could buy a whole new rear duct and replacement motors from a scrapped car, but they are like £100GBP so seems excessive if it's not something that I know will fix it.

    Have you attempted to perform basic setting on the module? I don't know what the procedure is but that's what I would think the car is looking for by that error message.

  5. #4
    Verified VCDS User
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    Jan 2018
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    Common fault on the 4G platform for the rear hvac motor gears to get stripped. Pull the rear vent out and have a look at the gears to check if they are all still intact.
    A6 BiTdi Avant MTM
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    Thanks for the replies...

    This is what is confusing me... I've pulled the rear vent out (so I can see the vent flaps, but the vent is still connected).
    I've tried to run basic settings and whilst running, I can see the vent flaps moving quite easily/freely, but instead of saying 'Complete', I get a status of 'Unknown' for the outcome of Vent flap calibration.

    As it can't seem to complete the basic setting, I can't get rid of the 'basic settings' error, but can't see/hear any creaking/groaning/stuck flaps.

    What does it mean when it gives a status of 'Unknown' for basic settings on VCDS?

    Thanks,

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    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by Demonmeister View Post
    What does it mean when it gives a status of 'Unknown' for basic settings on VCDS?
    Those sorts of status messages come directly from the control module. In this case, I would take it to mean that the control module was unable to complete the requested procedure (the Basic Setting) successfully, and doesn't know why it was unable.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    Verified VCDS User PetrolDave's Avatar
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    Quote Originally Posted by Demonmeister View Post
    I've pulled the rear vent out (so I can see the vent flaps, but the vent is still connected).
    I've tried to run basic settings and whilst running, I can see the vent flaps moving quite easily/freely, but instead of saying 'Complete', I get a status of 'Unknown' for the outcome of Vent flap calibration.
    Isn't there a potentiometer that provides feedback of the flap position?

    If the feedback from this isn't getting back to the module then the flap position would be flagged as unknown.

    Worth checking the WD and then checking the appropriate connections I would suggest.

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