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Thread: Touareg - Air Suspension - Running Gear Fault

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  1. #1
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    Touareg - Air Suspension - Running Gear Fault

    Hey guys,

    It looks like I am now part of the Touareg 'Running Gear Fault' club......

    I have a good look around the net and have found that this issue comes up a lot, but there are not to many solutions out there (without taking it to a dealer and $2k later anyways....).

    Here's where I'm at:

    Car: Aussie RHD 08' V6 TDI with air suspension.

    I've got the red 'Running Gear Fault' warning on my MFD. The car is sitting at normal ride height but won't raise or lower.



    Here's what I've done so far:

    Checked the fuse next to batt under the seat - all good.

    Checked the fuse in fuse cluster on the right hand end of the dash (as per Manual) - no fuse present.

    Inspected the Level Control Module (AKA: Adaptive suspension
    control unit J197 ??) in rear hatch - noticed no power along the two power wires (red w/yellow trace).

    Inspected compressor - Visual only, appeared ok. Probed main power wires - no power.

    Inspected Level Control Module relay located at the e-box under the dash (see pic below - '373' location: D3) - removed relay - tested ok. Removed relay and hard-wired the switch - compressor functioned as per normal but fault remained and car would not re-level. Probed relay wires and noticed that the coil terminals (85 and 86) both had a 12 V reading - explains why relay tested ok but when fitted would not function the comp - strange??



    Note: For anyone else trying to access this relay - the grey relay housing will drop down from the harness once you unclip both ends.

    The auto scan is below. It is my first time using VCDS am I'm not exactly sure how to use this information to continue fault finding.

    If anyone can point me in the right direction from here it would be very much appreciated!!

    Thanks,

    AJC



    Code:
    VCDS Version: Release 14.10.1
    Data version: 20150130
    
    Saturday,21,February,2015,23:18:01:23511
    
    Chassis Type: 7L (6N0)
    Scan: 01 02 03 05 08 09 15 16 17 19 22 34 37 46 55 56 68 6D 76
    
    VIN: WVGZZZ7LZ8D052230   Mileage: 146870km-91260miles
    
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: Malfunction 0010
    03-ABS Brakes -- Status: Malfunction 0010
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: Malfunction 0010
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: Malfunction 0010
    15-Airbags -- Status: Malfunction 0010
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: Malfunction 0010
    19-CAN Gateway -- Status: Malfunction 0010
    22-AWD -- Status: OK 0000
    34-Level Control -- Status: Malfunction 1010
    37-Navigation -- Status: Malfunction 0010
    42-Door Elect, Driver -- Status: Malfunction 0010
    46-Central Conv. -- Status: Malfunction 0010
    52-Door Elect, Pass. -- Status: OK 0000
    55-Headlight Range -- Status: Malfunction 0010
    56-Radio -- Status: Malfunction 0010
    62-Door, Rear Left -- Status: OK 0000
    68-Wiper Electr. -- Status: OK 0000
    6D-Trunk Elect. -- Status: Malfunction 1010
    72-Door, Rear Right -- Status: OK 0000
    76-Park Assist -- Status: Malfunction 1010
     
    -------------------------------------------------------------------------------
    Address 01: Engine (CAS)       Labels: 059-907-401-CAT1.clb
       Part No SW: 7L0 907 401 N    HW: 7L0 907 401 H
       Component: 3.0TDI EDC17G100AG  0060  
       Revision: --H02---    Serial number: VWX3Z0G1698559
       Coding: 04210023590F0568
       Shop #: WSC 10500 959 71994
       VCID: 3663EDE6421CAA9184C-5106
    
    No fault code found.
    Readiness: 0 0 0 0 1 
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 09D-927-750.lbl
       Part No SW: 09D 927 750 FT    HW: 09D 927 750 FT
       Component: AL 750 6A           1168  
       Revision: 00H75000    Serial number:               
       Coding: 0004456
       Shop #: WSC 31414 790 00001
       VCID: 05015A2A4F7AF1095D6-5140
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 7L0-907-379-MK25E1.clb
       Part No SW: 7L0 907 379 L    HW: 7L0 907 379 L
       Component: ESP ALLRAD MK25E1   0303  
       Revision: 00H53001    
       Coding: 0004482
       Shop #: WSC 31414 790 00001
       VCID: 428B813619D40631384-8017
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth.        Labels: 3D0-909-13x-05.lbl
       Part No SW: 3D0 909 139 B    HW: 5WK 485 04
       Component:    Kessy            6840  
       Revision: 68406620    Serial number: VWX3Z0G1698559
       Coding: 0000232
       Shop #: WSC 31414 790 00001
       VCID: 285F339E9FA8CC61060-807D
    
       Subsystem 1 - Part No: XXXXXXXXXXX 
       Component: ELV                 XXXX
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 7L6-907-040.clb
       Part No: 7L6 907 040 AF
       Component: CLIMAtronic R/L     4331  
       Coding: 0020520
       Shop #: WSC 31414 790 00001
       VCID: 74E717EE13E0F8817A8-8021
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels: 7Lx-937-049-V2.clb
       Part No SW: 7L6 937 049 AF    HW: 7L6 937 049 AF
       Component: J519                2000  
       Revision: -0004---    Serial number: --------------
       Coding: 600004002B221C000000000000000000
       Shop #: WSC 31414 790 00001
       VCID: 000F4B3E5758D4216E0-8055
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 7L0-959-655.lbl
       Part No SW: 7L0 959 655     HW: 7L0 959 655 
       Component: J234  39 VW8T       0250  
       Revision: 92011025    Serial number: 0039P003PJGE  
       Coding: 0013113
       Shop #: WSC 31414 790 00001
       VCID: 7AFB39D631848EF1204-802F
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 7L6-953-549.lbl
       Part No: 7L6 953 549 F
       Component: J527                3601  
       Coding: 0010011
       Shop #: WSC 31414 790 00001
       VCID: 428B813619D40631384-8017
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 7L6-920-xxx-7L6.lbl
       Part No SW: 7L6 920 885 R    HW: 7L6 920 885 R
       Component: J285 KOMBI-INST.    7520  
       Revision: KHH06V02    
       Coding: 0007101
       Shop #: WSC 00581 210 64475
       VCID: 4B95AC122A9EC779CB2-801E
    
    2 Faults Found:
    00470 - Company Comfort Databus in Single Wire 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 2
                        Fault Frequency: 10
                        Reset counter: 196
                        Mileage: 146851 km
                        Time Indication: 0
                        Date: 2015.02.20
                        Time: 18:27:02
    
    01310 - Level Control System Control Module (J197) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 2
                        Reset counter: 236
                        Mileage: 146851 km
                        Time Indication: 0
                        Date: 2015.02.20
                        Time: 18:55:54
    
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 7L6-920-xxx-7L6.lbl
       Part No SW: 7L6 920 885 R    HW: 7L6 920 885 R
       Component: J285 KOMBI-INST.    7520  
       Revision: KHH06V02    
       Coding: 0007101
       Shop #: WSC 00581 210 64475
       VCID: 4B95AC122A9EC779CB2-801E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels: 6N0-909-901-7L.clb
       Part No SW: 6N0 909 901     HW: 7L6 920 885 R
       Component: J533  GW-K-CAN TP20 7520  
       Coding: 7FE2E79948046003
       Shop #: WSC 00581 210 64475
       VCID: 70EF1BFE63F8C4A19E0-8025
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 22: AWD        Labels: None
       Part No: 0AD 927 755 BG
       Component: TRANSFERCASE        0126  
       Shop #: WSC 00000 000 00000
       VCID: 01094E3A5B52DD2961E-5122
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 34: Level Control        Labels: 7Lx-907-553-34.clb
       Part No: 7L0 907 553 J
       Component: LUFTFDR.-CDC- 3C3P1 3125  
       Coding: 0015521
       Shop #: WSC 31414 790 00001
       VCID: 3A7BF9D671044EF1604-806F
    
    1 Fault Found:
    00668 - Supply Voltage Terminal 30 
                009 - Open or Short to Ground
    
    -------------------------------------------------------------------------------
    Address 37: Navigation (J0506)       Labels: 1T0-035-680.clb
       Part No SW: 7L6 035 680 C    HW: 7L6 035 680 BX
       Component: RNS-MID       H03 3810  
       Revision: AB001001    Serial number: VWZ6Z7H7240028
       Coding: 020004000400002200
       Shop #: WSC 10500 959 71994
       VCID: 326BD1F66D74B6B1A84-8067
    
    1 Fault Found:
    00857 - CD Changer Unit (R41) 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 196
                        Mileage: 146872 km
                        Time Indication: 0
                        Date: 2015.02.21
                        Time: 23:15:46
    
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 7L0-959-933.lbl
       Part No: 7L6 959 933 A
       Component: 1A HSG              0600  
       Coding: 0000085
       Shop #: WSC 10500 959 100544
       VCID: 408F8B3E10D814212E0-4B06
    
       Subsystem 1 - Part No: 7L0 959 701 R
       Component: Tuersteuergeraet FS 6302
    
       Subsystem 2 - Part No: 7L0 959 702 R
       Component: Tuersteuergeraet BF 6302
    
       Subsystem 3 - Part No: 7L6 959 703 
       Component: Tuersteuergeraet HL 0202
    
       Subsystem 4 - Part No: 7L6 959 704 
       Component: Tuersteuergeraet HR 0202
    
       Subsystem 5 - Part No: 7L0 907 719 A
       Component:    Neigungssensor   0020
    
       Subsystem 6 - Part No: 7L6 951 171 B
       Component:    Innenraumsensor  0020
    
    1 Fault Found:
    00470 - Company Comfort Databus in Single Wire 
                011 - Open Circuit
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range        Labels: 7L6-907-357-A.lbl
       Part No SW: 7L6 907 357 A    HW: 7L6 907 357 A
       Component: AFS-Steuergeraet    0001  
       Revision:   H02       Serial number:               
       Coding: 1288579
       Shop #: WSC 10500 959 100544
       VCID: 3979E6DA740245E969E-806C
    
       Subsystem 1 - Part No: 7L6 941 329 B
       Component: AFS-Lst.-Modul l    0004  
       Coding: 00000019
    
       Subsystem 2 - Part No: 7L6 941 329 B
       Component: AFS-Lst.-Modul r    X008  
       Coding: 00000019
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J0506)       Labels: 1T0-035-680.clb
       Part No SW: 7L6 035 680 C    HW: 7L6 035 680 BX
       Component: RNS-MID       H03 3810  
       Revision: AB001001    Serial number: VWZ6Z7H7240028
       Coding: 020004000400002200
       Shop #: WSC 10500 959 71994
       VCID: 326BD1F66D74B6B1A84-8067
    
    1 Fault Found:
    00857 - CD Changer Unit (R41) 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 196
                        Mileage: 146872 km
                        Time Indication: 0
                        Date: 2015.02.21
                        Time: 23:16:31
    
    
    -------------------------------------------------------------------------------
    Address 68: Wiper Electr.        Labels: 7L0-955-119-V2.clb
       Part No: 7L6 955 119 C
       Component: J400__ Front Wiper  5301  
       Coding: 0001397
       Shop #: WSC 31414 790 00001
       VCID: 3A7BF9D675044EF1604-806F
    
       Subsystem 2 - Part No: 1K0 955 559 AF  Labels: 1K0-955-559-AF.CLB
       Component: RLS     181207 046  0204  
       Coding: 00208933
       Shop #: WSC 31414  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 6D: Trunk Elect.        Labels: None
       Part No SW: 7L6 959 107 A    HW: 7L6 959 107 A
       Component: J605  HECKKLAPPE    1210  
       Revision: --H05---    Serial number: --------026415
       Coding: 0122110
       Shop #: WSC 31414 790 00001
       VCID: 3979E6DA740245E969E-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 76: Park Assist        Labels: Redir Fail!
       Part No: 7L0 919 283 F
       Component: 0E Einparkhilfe     1107  
       Shop #: WSC 00000 000 00000
       VCID: 3979E6DA740245E969E-806C
    
    1 Fault Found:
    01543 - Parking Aid Warning Chime (H15) 
                002 - Lower Limit Exceeded
    
    End-------------------------(Elapsed Time: 04:27)--------------------------

  2. #2
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    What the fault code says is that the power supply (terminal 30, which is the "always powered bus") is missing power. I would start checking the power line as per WD.

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  4. #3
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    Update:

    Fixed! The fault at address 34 said there was a fault with terminal 30 - one of the main power runs in the car's elec system. I tracked down a wiring diagram and checked it from batt to module. Turned out to be a simple fuse. I would have found this early on but the workshop manual I had did not match my car.

    Thanks everyone for your help.

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  6. #4
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    Quote Originally Posted by aj2thec View Post
    Update:

    Fixed! The fault at address 34 said there was a fault with terminal 30 - one of the main power runs in the car's elec system. I tracked down a wiring diagram and checked it from batt to module. Turned out to be a simple fuse. I would have found this early on but the workshop manual I had did not match my car.

    Thanks everyone for your help.
    Hi, I'm facing very similar issue with my 2009 3.0 TDI touareg...
    can you please point me to the fuse that failed for you and it's location?
    Thanks

  7. #5
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    Same here

    Quote Originally Posted by BrucTDI View Post
    Hi, I'm facing very similar issue with my 2009 3.0 TDI touareg...
    can you please point me to the fuse that failed for you and it's location?
    Thanks
    I have a 2011 v6. Where can I find this fuse?
    Thanx for any help

    /D

  8. #6
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    Quote Originally Posted by dlysnes View Post
    I have a 2011 v6. Where can I find this fuse?
    Thanx for any help

    /D
    Not quite sure where that particular fuse is located but I found one that stopped the compressor on my 2011.
    Open the fuse box on the left (driver) side of the instrument panel.
    Check the 40 amp fuse at the very top (there are only two of them so they're easy to locate).

  9. #7
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    My car's compressor stopped working - the compressor does not receive 12V. When I jump with 12V cables to the compressor directly it works fine. I checked fuse position 44 on the right side 5A (OK) and also the 40A fuse under the driver seat - all fine. I checked the relay which is working fine, replaced it for a new one , but nothing different. The relay receives 12V and when I "jump the relay" the compressor still does not work . What is there between the relay and the compressor? That is where is my problem - please help

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