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Thread: Fresh Air Blower

  1. #1
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    USA
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    Fresh Air Blower

    Hello,

    My fresh air blower does not turn on sometimes, especially when it is very hot outside. I can open up the shroud and give it a little help with a screwdriver and it always starts. I have read this is most likely due to poor connection on the internal motor components due to wear. I plan to replace it, but understand there is also a starter. Should I replace that as well while I have everything opened up or is it unlikely to need replacement? Thanks.

    Code:
    Sunday,25,August,2019,16:52:58:43616
    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: WAULFAFR9AA0XXXXX   License Plate: 7PNXXXX
    Mileage: 244650km-152018mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: FR-AU48 (8T0)
    Scan: 01 02 03 05 06 08 09 15 16 17 19 2E 36 42 46 47 52 53 55 56
              77
    
    VIN: WAULFAFR9AA0XXXXX   Mileage: 244650km-152018miles
    
    01-Engine -- Status: Malfunction 0010
    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
    06-Seat Mem. Pass -- Status: OK 0000
    08-Auto HVAC -- Status: Malfunction 0010
    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: OK 0000
    2E-Media Player 3 -- Status: OK 0000
    36-Seat Mem. Drvr -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    46-Central Conv. -- Status: Malfunction 0010
    47-Sound System -- 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: Malfunction 0010
    77-Telephone -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (DL0MA-CAEB)       Labels:| 06H-907-115-CAB.clb
       Part No SW: 8K2 907 115 AL    HW: 8K2 907 115 D
       Component: 2.0l R4/4V TF H15 0001  
       Revision: E1H15---    
       Coding: 0114010A190F0160
       Shop #: WSC 09211 444 182470
       ASAM Dataset: EV_ECM20TFS0118K2907115AL 001001
       ROD: EV_ECM20TFS0118K2907115AL.rod
       VCID: 79AFEFA0A953F4CF8D7-802C
    
    1 Fault Found:
    4106 - Bank 1; System too Rich at Idle 
              P2188 00 [096] - -
              Intermittent - Not Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 2
                        Mileage: 243961 km
                        Date: 2019.08.01
                        Time: 16:26:22
    
                        Engine speed: 798.00 /min
                        Normed load value: 10.2 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 93 °C
                        Intake air temperature: 46 °C
                        Ambient air pressure: 970 mbar
                        Voltage terminal 30: 14.041 V
                        Unlearning counter according OBD: 21
    
    Readiness: 0000 0000
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans (J217)       Labels:| 0B6-927-156.clb
       Part No SW: 8K0 927 158 J    HW: 0B6 927 156 
       Component: 0B6 20TFSIUSA H05 0008  
       Revision: --H05---    
       Coding: 001012
       Shop #: WSC 06325 000 00000
       ASAM Dataset: EV_TCMAL651 A01006
       ROD: EV_TCMAL651.rod
       VCID: 3D273BB0FDFB08EFE1F-8068
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels:. 8K0-907-379-V1.clb
       Part No SW: 8K0 907 379 CA    HW: 8K0 907 379 CA
       Component: ESP8 quattro  H04 0010  
       Revision: --------    Serial number: --------------
       Coding: 150D18
       Shop #: WSC 06325 000 00000
       VCID: 7AADF0ACACD5FFD784D-802E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
       Part No SW: 8K0 907 064 DG    HW: 8K0 907 064 DG
       Component: BCM2 1.1      H02 0324  
       Revision: 00002001    
       Coding: 090000
       Shop #: WSC 06325 000 00000
       VCID: 78A9EAA492D9EDC7F29-802C
    
       Subsystem 1 - Part No SW: 8T0 959 754 A    HW: 8T0 959 754 A
       Component: FBSAUDIB8 IDG  H37 0060 
       Serial number: 0509000049953018    
    
       Subsystem 2 - Part No SW: 8K0 905 852 D    HW: 8K0 905 852 D
       Component: J764 ELV MLB  H37 0042 
       Serial number: 0209000063527007    
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 06: Seat Mem. Pass (J521)       Labels:. 8T0-959-760.clb
       Part No SW: 8T0 959 760 C    HW: 8T0 959 760 C
       Component: MEM-BFS       H10 0074  
       Revision: AA000000    Serial number: 00001010004295
       Coding: 08017025002400001000
       Shop #: WSC 06325 000 00000
       VCID: 43D34D489B9F7E1F97B-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels:. 8Tx-820-043-3Z.clb
       Part No SW: 8T1 820 043 AQ    HW: 8T1 820 043 AQ
       Component: KLIMA 3 ZONEN H08 0171  
       Revision: C1000000    Serial number: 01150920090294
       Coding: 64022000
       Shop #: WSC 06325 000 00000
       VCID: 00598244CA09A507CA9-8054
    
    3 Faults Found:
    01330 - Central Control Module for Central Convenience (J393) 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 6
                        Fault Frequency: 5
                        Reset counter: 64
                        Mileage: 241740 km
                        Time Indication: 0
                        Date: 2019.07.01
                        Time: 18:06:35
    
                 Freeze Frame:
                        Temperature: 35.0°C
                        Voltage: 13.60 V
                        Output: 0 W
                        Output: 0 W
                        Temperature: 34.0°C
    
    01273 - Fresh Air Blower (V2) 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 3
                        Fault Frequency: 21
                        Reset counter: 100
                        Mileage: 241740 km
                        Time Indication: 0
                        Date: 2019.07.01
                        Time: 18:06:35
    
                 Freeze Frame:
                        Temperature: 35.0°C
                        Speed: 0.0 km/h
                        Voltage: 13.80 V
                        Current: 0.000 A
                        Voltage: 13.80 V
    
    01844 - Control Module for Fresh Air Blower (J126) 
                014 - Defective - Intermittent
                 Freeze Frame:
                        Fault Status: 00101110
                        Fault Priority: 3
                        Fault Frequency: 3
                        Reset counter: 98
                        Mileage: 241740 km
                        Time Indication: 0
                        Date: 2019.07.01
                        Time: 18:08:58
    
                 Freeze Frame:
                        Temperature: 34.0°C
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 8K0-907-063.clb
       Part No SW: 8K0 907 063 P    HW: 8K0 907 063 P
       Component: BCM1 1.0      H25 0380  
       Revision: 10025001    Serial number: 00000000340407
       Coding: 26001091063CAF010000080300003D3D0F1C528800010161000000
       Shop #: WSC 06325 000 00000
       VCID: 3C2136B4E66101E7D61-8068
    
       Subsystem 1 - Part No SW: 8T1 955 119 D    HW: 8J1 955 119   Labels: 1KX-955-119.CLB
       Component: WWS 120909  H14 0070 
       Serial number: SWF09090125441      
       Coding: 00FD11
    
       Subsystem 2 - Part No SW: 8K0 955 559     HW: 8K0 955 559   Labels: 8K0-955-559.CLB
       Component: RLS  H04 0003 
       Serial number: 10596177            
       Coding: 02532C
    
       Subsystem 3 - Part No SW: 8K0 941 531 AN    HW: 8K0 941 531 AN
       Component: E1 - LDS  H08 0090 
       Serial number: 00000000002807091472
    
       Subsystem 4 - Part No SW: 8K0 907 410 B    HW: 8K0 907 410 B
       Component: HOMELINK  H01 0010 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:* 8K0-959-655.clb
       Part No SW: 8K0 959 655 H    HW: 8K0 959 655 H
       Component: AirbagVW-AU10 H37 0520  
       Serial number: 003EGD02CYY%  
       Coding: 303333334330303030304A55304C38543053
       Shop #: WSC 06325 000 00000
       ASAM Dataset: EV_AirbaECUVWAUDI010 003010
       ROD: EV_AirbaECUVWAUDI010_003_AU48.rod
       VCID: 42DD484C840577179CD-8016
    
       Seat occupied recognition: 
       Subsystem 1 - Part No SW: 8K0 959 339     HW: 8K0 959 339 
       Component: BF-Gewichtss.  H01 0050 
       Serial number: 5810000R0900004E33
    
       Crash sensor for side airbag: driver side: 
       Serial number: 6334MSME4B754319H
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 6344MSME4B4101511
    
       Crash sensor for side airbag: rear: driver side: 
       Serial number: 6352QSME6A3A0D02L
    
       Crash sensor for side airbag: rear: passenger side: 
       Serial number: 6362QSME153B1228B
    
       Crash sensor for front airbag: driver side: 
       Serial number: 63732SME0D390C2E9
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 63832SME0539240AX
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
       Part No SW: 8K0 953 568 F    HW: 8K0 953 568 F
       Component: Lenks.Modul   H16 0014  
       Revision: --------    Serial number: 90319II8000EE 
       Coding: 000036
       Shop #: WSC 06325 000 00000
       VCID: 3D273BB0FD7B08EFE1F-8068
    
       Component: E221 - MFL  H02 0003 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:. 8T0-920-xxx-17.clb
       Part No SW: 8T0 920 950 Q    HW: 8T0 920 950 Q
       Component: KOMBIINSTR.   H33 0255  
       Revision: 00000000    Serial number: CHU22J299     
       Coding: 8B1701000300D705020000
       Shop #: WSC 06325 000 00000
       VCID: 46D5545CA8AD4B37B05-8012
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
       Part No SW: 8T0 907 468 R    HW: 8T0 907 468 H
       Component: GW-BEM 5CAN   H06 0105  
       Revision: GB600050    Serial number: 5000G0990383BB
       Coding: 00C303
       Shop #: WSC 06325 000 00000
       VCID: 50F972045AE995871A9-8004
    
       Subsystem 1 - Part No SW: 8K0 915 181 E    HW: 8K0 915 181 E
       Component: J367-BDM  H06 0170 
       Serial number: 1908C051250809      
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 2E: Media Player 3 (R199)       Labels:. 8T0-035-785.clb
       Part No SW: 8T0 035 785 A    HW: 8T0 035 785 
       Component: SG ext.Player H08 0280  
       Revision: 00000000    
       Coding: 020302
       Shop #: WSC 06325 000 00000
       VCID: 392F2FA0E95334CFCD7-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 36: Seat Mem. Drvr (J136)       Labels:. 8T0-959-760.clb
       Part No SW: 8T0 959 760 C    HW: 8T0 959 760 C
       Component: MEM-FS        H10 0074  
       Revision: AA000000    Serial number: 00001010004226
       Coding: 08017025002400001000
       Shop #: WSC 06325 000 00000
       VCID: 43D34D489B9F7E1F97B-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
       Part No SW: 8T0 959 793 J    HW: 8T0 959 793 D
       Component: TSG FA        H07 1301  
       Revision: --------    Serial number: --------------
       Coding: 011C03224000120102
       Shop #: WSC 09211 444 175787
       VCID: 50F972045AE995871A9-8004
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv. (J393)       Labels:. 8K0-907-064-46.clb
       Part No SW: 8K0 907 064 DG    HW: 8K0 907 064 DG
       Component: BCM2 1.1      H02 0324  
       Revision: 00002001    Serial number: 0121269251    
       Coding: 0106029A007A440400B0000000000000
       Shop #: WSC 06342 000 00000
       VCID: 78A9EAA492D9EDC7F29-802C
    
       Subsystem 1 - Part No SW: 8K0 959 719     HW: 8K0 959 719 
       Component: GTO BF  H06 0050 
       Serial number: 00000000000000166955
    
       Subsystem 2 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HO  H03 1301 
    
       Subsystem 3 - Part No SW: 8R0 959 591 A    HW: 8R0 959 591 
       Component: J245EE19SKB12  H01 0220 
       Serial number: 0123456789ABCDEFGHIJ
    
    2 Faults Found:
    00218 - Humidity Sensor (G355) 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 229
                        Mileage: 241389 km
                        Time Indication: 0
                        Date: 2019.06.24
                        Time: 17:32:42
    
    02616 - Fuel Tank Cap; Unlock 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 2
                        Fault Frequency: 3
                        Reset counter: 96
                        Mileage: 244161 km
                        Time Indication: 0
                        Date: 2019.08.13
                        Time: 07:30:34
    
    
    -------------------------------------------------------------------------------
    Address 47: Sound System (J525)       Labels:. 8T0-035-223-BOC.clb
       Part No SW: 8T0 035 223 AR    HW: 8T0 035 223 AJ
       Component: DSP Prem      H17 0320  
       Revision: 00017001    Serial number: 34834004493702
       Coding: 0203010302
       Shop #: WSC 09211 444 175787
       VCID: 7EA5FCBCB0FDD3F7B85-802A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
       Part No SW: 8T0 959 792 J    HW: 8T0 959 792 D
       Component: TSG BF        H07 1301  
       Revision: --------    Serial number: --------------
       Coding: 011C03224000120102
       Shop #: WSC 09211 444 175787
       VCID: 4FFB717847D78A7F033-801A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake (J540)       Labels: 8K0-907-801-V1.clb
       Part No SW: 8K0 907 801 H    HW: 8K0 907 801 H
       Component: EPB Audi B8   H09 0100  
       Revision: 00000003    Serial number: 10000000312954
       Shop #: WSC 00000 000 00000
       VCID: 34311E94CE31C9A71E1-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range        Labels: 8K0-907-357.clb
       Part No: 8K5 907 357 
       Component: Dynamische LWR  H01 0010  
       Revision: 00000001    Serial number:               
       Coding: 0000002
       Shop #: WSC 06324 000 00000
       VCID: 77ABE99893C7E2BFFB3-8022
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 8Tx-035-1xx-56.clb
       Part No SW: 8T1 035 186 R    HW: 8T1 035 186 R
       Component: Con3 Sirius   H04 0351  
       Revision: 00000006    Serial number: AUZ5Z6I1267629
       Coding: 040300020104850043D9070800
       Shop #: WSC 06325 000 00000
       VCID: 46D5545CA8AD4B37B05-8012
    
       Subsystem 1 - Part No SW: 8T0 919 603 E    HW: 8T0 919 603 E
       Component: Display  
    
    2 Faults Found:
    02635 - Tuner Not Enabled/Activated 
                000 - -
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 7
                        Fault Frequency: 1
                        Reset counter: 229
                        Mileage: 241389 km
                        Time Indication: 0
                        Date: 2019.06.24
                        Time: 17:31:51
    
    03157 - Functionality limited due to Communications Disruption 
                000 - - - Intermittent
                 Freeze Frame:
                        Fault Status: 00100000
                        Fault Priority: 6
                        Fault Frequency: 19
                        Reset counter: 101
                        Mileage: 241389 km
                        Time Indication: 0
                        Date: 2019.06.24
                        Time: 17:43:02
    
                 Freeze Frame:
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
                        Bin. Bits: 10000000
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
    
    
    -------------------------------------------------------------------------------
    Address 77: Telephone        Labels: 8P0-862-335.lbl
       Part No SW: 8T0 862 336 D    HW: 8T0 862 336 D
       Component: FSE_256x BT     H37 0600  
       Revision: 00000000    Serial number: 00000005051481
       Coding: 0010370
       Shop #: WSC 06325 000 00000
       VCID: 3C2136B4EA6101E7D61-8068
    
    No fault code found.
    
    End----(Elapsed Time: 01:39, VBatt start/end: 11.7V/11.7V. VIgn 11.8V)-----

  2. #2
    Verified VCDS User PetrolDave's Avatar
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    The blower motor always used to be a permanent magnet DC motor that uses brushes and a commutator, with this type of motor low starting torque is most often down to worn brushes.

  3. Likes Uwe, Gmickey liked this post
  4. #3
    Verified VCDS User
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    Quote Originally Posted by PetrolDave View Post
    The blower motor always used to be a permanent magnet DC motor that uses brushes and a commutator, with this type of motor low starting torque is most often down to worn brushes.
    So the starter likely does not need replacing? Does the motor lend itself to replacing the brushes or should I just replace the entire unit?

  5. #4
    Verified VCDS User PetrolDave's Avatar
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    Quote Originally Posted by Gmickey View Post
    So the starter likely does not need replacing? Does the motor lend itself to replacing the brushes or should I just replace the entire unit?
    I can't recall anyone replacing the brushes, once you've got the motor out it's easier/simpler just to replace the whole motor.

  6. #5
    New User
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    I'm afraid, that the replacement is the only option here.

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