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Thread: Audi A3 8p 2004 CAN Bus? / ESP Issues

  1. #1
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    Audi A3 8p 2004 CAN Bus? / ESP Issues

    Hi everyone, new to the Forum and seeking a little guidance with what I believe to be a CAN Bus issue. Iíve had some helpful assistance from Dana by email and have checked her suggestions out and everything seems to be ok. The Gateway is next on her list which is where I could do with some wiser eyes than mine. I need to take the Glove Box out next to get to it.

    My question is how do I definitively prove that the Gateway is or isnít the issue with nothing but a voltmeter?!
    Plus any other ideas welcome if we can rule the Gateway out.
    My belief is that this is a wiring problem rather than a sensor issue. Could very well be wrong about that.
    Car drives well for itís age, like me, and has no issues under hard braking. Brake pedal hisses a bit ( always has I think ) when pressed but no effort required to brake the car and behaves as itís supposed to when started up with the pedal depressed. Mechanic at the MOT test station said he could find nothing wrong mechanically with the Brakes or steering and passed it with an ĎAdvisoryĒ

    Vehicle is a UK Audi A3 2004 2.0 FSi 8p1 AXW engine. ( no Turbo ) Owned from new.

    Issue: ESP light ( triangle with an arrow round it ) is permanently on.
    ESP switch on the console doesnít illuminate when pressed to switch ESP on or off.
    No other warning lights E.g ABS

    Light came on travelling in a straight line up the Motorway at 70Mph ish. Not using the brakes at the time.

    There are some engine codes and the occasional mis-fire that I donít care about until the ESP stuff is sorted. Ditto the Radio unless you think it's a contributing factor. Itís an old car and cost is a consideration as the new London Low Emission Zone could be the kiss of death in a couple of years anyway. On the other hand it's Yellow and I like it!

    Testing at the OBD11 port through a break-out box reveals

    Ignition on Engine off
    pins: 6 to 14 67.1 Ohms Battery dis-connected
    16 to 4 12.7 V
    16 to 5 12.7 V
    4 to 5 0.4mv
    6 to 4 2.48V
    14 to 4 2.48V

    In the engine bay with engine running at idle.
    Battery Voltage 14.5V
    B- to Chassis ground 7.5mV
    B- to Engine Block 29.8mV

    VCDS MVBs result in No Communication with CAN Gateway and selecting ABS Bleeps 3 times and Flashes the ABS light also No Communication.
    Clearing DTCs doesnít clear the dash warning light.

    The No Comms is an issue I would guess and identical voltages on CAN High and Low too?
    Different earth readings might point to something and is the Ohms reading acceptable?
    I know Iím over thinking this so where would you go next?

    Below is the most recent Scan after clearing the DTCs and updating VCDS followed by the one Dana commented on.
    Car hasnít been driven between scans because we are a bit Ď Locked Down Ď.
    Sorry itís a bit long winded but I canít figure it out standing next to it so I have included as much as I know. Thanks for your input.


    Code:
    Tuesday,07,April,2020,16:02:20:45305
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 8.1 x64
    VCDS Version: 19.6.2.2 (x64)  HEX-V2 CB: 0.4508.4
    Data version: 20200210 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ8P64A064818   License Plate: 
    
    
    Chassis Type: 8P (1K0)
    Scan: 01 03 08 09 15 16 17 19 25 42 44 46 47 52 56
    
    VIN: WAUZZZ8P64A064818   Mileage: 178930km-111181miles
    
    00-Steering Angle Sensor -- Status: OK 0000
    01-Engine -- Status: Malfunction 0010
    03-ABS Brakes -- Status: Malfunction 0010
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: Malfunction 0010
    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
    47-Sound System -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    56-Radio -- Status: Malfunction 0010
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: 06F-906-056-AXW.lbl
       Part No SW: 06F 906 056 BT    HW: Hardware No 
       Component: MED9.5.10       G00 5340  
       Revision: 00000000    Serial number: AUX7Z0C7FNK0B3
       Coding: 0000072
       Shop #: WSC 06435 000 00000
       VCID: 7CA1F33D6AE0687795D-8028
    
       Subsystem 1 - Part No: 06F 907 807 A
       Component: NOX  0308250111 004 3608
       06F907807A  NOX  0308250111 004 3608   
    
    1 Fault Found:
    17439 - Intake Manifold Tuning Valve (N316) 
                P1031 - 001 - Setpoint Not Reached - Intermittent
    Readiness: 1010 0001
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 1K0-907-379-MK60-F.lbl
       Part No: 1K0 907 379 D
       Component: ESP FRONT MK60      0102  
       Coding: 0053894
       Shop #: WSC 06435 000 00000
       VCID: 33331801073E670F047-8066
    
    1 Fault Found:
    00778 - Steering Angle Sensor (G85) 
                003 - Mechanical Failure
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 8P0-820-043.lbl
       Part No SW: 8P0 820 043     HW: 8P0 820 043 
       Component: KlimavollautomatH11 0130  
       Shop #: WSC 00000 000 00000
       VCID: 698FBA691572EDDF7EB-803C
    
    2 Faults Found:
    01592 - Air Quality Sensor (G238) 
                010 - Open or Short to Plus - Intermittent
                 Freeze Frame:
                        Fault Status: 00101010
                        Fault Priority: 3
                        Fault Frequency: 8
                        Reset counter: 149
                        Mileage: 178025 km
                        Time Indication: 0
                        Date: 2019.12.19
                        Time: 21:36:40
    
                 Freeze Frame:
                        Temperature: 24.5∞C
    
    01592 - Air Quality Sensor (G238) 
                007 - Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00100111
                        Fault Priority: 3
                        Fault Frequency: 8
                        Reset counter: 149
                        Mileage: 178025 km
                        Time Indication: 0
                        Date: 2019.12.19
                        Time: 21:36:00
    
                 Freeze Frame:
                        Temperature: 24.0∞C
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 8P0-907-279-23-H.lbl
       Part No SW: 8P0 907 279 A    HW: 8P0 907 279 A*
       Component: Bordnetz-SG 1.0 H29 0501  
       Revision: 00029000    Serial number: 00000000138663
       Coding: 018C4F00A0141000000000000000000000
       Shop #: WSC 00000 000 00000
       VCID: 3B2330212F6EAF4FDC7-806E
    
       Subsystem 1 - Part No: 8P2 955 119 C  Labels: 1TX-955-119.CLB
       Component: Wischer WWS Audi350 0180  
       Coding: 16711696
       Shop #: WSC 00000  
    
    1 Fault Found:
    01800 - Light Switch (E1) 
                008 - Implausible Signal - Intermittent
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 8P0-959-655-84.lbl
       Part No SW: 8P0 959 655 F    HW: 8P0 959 655 F
       Component: Airbag 8.4ED    H01 0130  
       Coding: 0011602
       Shop #: WSC 06435 000 00000
       VCID: 45D756D959AAE9BFBA3-8010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 8P0-953-549.lbl
       Part No SW: 8P0 953 549     HW: 8P0 953 549 
       Component: LenksČulenmodul H09 0020  
       Coding: 0000042
       Shop #: WSC 06435 000 00000
       VCID: 7BA3F0216FEE6F4F9C7-802E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 8P0-920-xxx-17-MY7.lbl
       Part No SW: 8P0 920 980 J    HW: 8P0 920 980 J
       Component: KOMBIINSTR. VDO H25 0080  
       Revision: D06         Serial number: 2247CD06001118
       Coding: 0004403
       Shop #: WSC 01019 210 136528
       VCID: 3E2539353C7CBA67FB9-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 1K0-907-530-V1.clb
       Part No SW: 1K0 907 530 B    HW: 1K0 907 951 
       Component: Gateway         H08 0090  
       Revision: 08          Serial number: 2400103723B0E3
       Coding: 3D0F0342070101
       Shop #: WSC 06435 000 00000
       VCID: 2615F155C4EC02A7939-8072
    
    1 Fault Found:
    00470 - Company Comfort Databus in Single Wire 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 3
                        Fault Frequency: 96
                        Reset counter: 119
                        Mileage: 178930 km
                        Time Indication: 0
                        Date: 2020.03.16
                        Time: 01:39:26
    
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 8P0 920 980 J    HW: 8P0 920 980 J
       Component: KOMBIINSTR. VDO H25 0080  
       Revision: D06         Serial number: AUX7Z0C7FNK0B3
       Shop #: WSC 00000 000 00000
       VCID: 3E2539353C7CBA67FB9-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels: 8P0-959-801-MIN1.lbl
       Part No: 8P0 959 801 A
       Component: Tuersteuerger.  H10 0010  
       Coding: 0000048
       Shop #: WSC 06435 000 00000
       VCID: 392F2A2925529D5FCEB-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1Kx-909-143-GEN1.clb
       Part No: 1K1 909 143 L
       Component: EPS_ZFLS Kl.6       0402  
       Shop #: WSC 00000 000 00000
       VCID: 33331801073E670F047-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 8P0-959-433.lbl
       Part No: 8P0 959 433 
       Component:    KSG          H02 0040  
       Coding: 008800186D288505485AC63000
       Shop #: WSC 01019 210 175693
       VCID: 79AFEA2965D25D5F8EB-802C
    
       Subsystem 1 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HORN H05 1501
    
       Subsystem 2 - Part No: 1K0 907 719 
       Component: Neigungssensor  002 0002
    
       Subsystem 3 - Part No: 8P0 951 177 
       Component: Innenraumueberw.H02 0010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 47: Sound System        Labels: 8Px-035-382.lbl
       Part No SW: 8P3 035 382     HW: 8P3 035 382 
       Component: AB2 SUBWOOFERBOXH23 0100  
       Revision: 00001       Serial number: 10000001043808
       Shop #: WSC 00000 000 00000
       VCID: 70B9D70D36A81C17395-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels: 8P0-959-802-MIN1.lbl
       Part No: 8P0 959 802 A
       Component: Tuersteuerger.  H10 0010  
       Coding: 0000048
       Shop #: WSC 06435 000 00000
       VCID: 3A2D352520549647C71-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 8P0-035-1xx-56.lbl
       Part No SW: 8P0 035 186     HW: 8P0 035 186 
       Component: concert II EU   H53 0060  
       Revision:      07S    Serial number: AUZ2Z3C1397642
       Coding: 0001001
       Shop #: WSC 06435 000 00000
       VCID: 6FBBD4712B9603EF20F-803A
    
    2 Faults Found:
    01317 - Control Module in Instrument Cluster (J285) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 159
                        Time Indication: 15
    
                 Freeze Frame:
                        Bin. Bits:       10
    
    01299 - Diagnostic Interface for Data Bus (J533) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 159
                        Time Indication: 15
    
    
    End----------(Elapsed Time: 00:58, VBatt start/end: 14.0V/13.9V)-----------
    Code:
    Friday,13,March,2020,14:52:00:45305
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 8.1 x64
    VCDS Version: 19.6.2.2 (x64)  HEX-V2 CB: 0.4508.4
    Data version: 20200210 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ8P64A064818   License Plate: 
    Mileage: 178930km-111181mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 8P (1K0)
    Scan: 01 03 08 09 15 16 17 19 25 42 44 46 47 52 56
    
    VIN: WAUZZZ8P64A064818   Mileage: 178930km-111181miles
    
    00-Steering Angle Sensor -- Status: OK 0000
    01-Engine -- Status: Malfunction 0010
    03-ABS Brakes -- Status: Malfunction 1010
    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: Malfunction 0010
    25-Immobilizer -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: Sporadic communication error 1000
    46-Central Conv. -- Status: OK 0000
    47-Sound System -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    56-Radio -- Status: Malfunction 0010
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: 06F-906-056-AXW.lbl
       Part No SW: 06F 906 056 BT    HW: Hardware No 
       Component: MED9.5.10       G00 5340  
       Revision: 00000000    Serial number: AUX7Z0C7FNK0B3
       Coding: 0000072
       Shop #: WSC 06435 000 00000
       VCID: 7CA1F33D6AE0687795D-8028
    
       Subsystem 1 - Part No: 06F 907 807 A
       Component: NOX  0308250111 004 3608
       06F907807A  NOX  0308250111 004 3608   
    
    2 Faults Found:
    18104 - Powertrain Data Bus 
                P1696 - 002 - Implausible Message from Steering Column Controller - Intermittent
    18057 - Powertrain Data Bus 
                P1649 - 008 - Missing Message from ABS Controller - Intermittent
    Readiness: 1010 0001
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 1K0-907-379-MK60-F.lbl
       Part No: 1K0 907 379 D
       Component: ESP FRONT MK60      0102  
       Coding: 0053894
       Shop #: WSC 06435 000 00000
       VCID: 33331801073E670F047-8066
    
    1 Fault Found:
    00778 - Steering Angle Sensor (G85) 
                003 - Mechanical Failure
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 8P0-820-043.lbl
       Part No SW: 8P0 820 043     HW: 8P0 820 043 
       Component: KlimavollautomatH11 0130  
       Shop #: WSC 00000 000 00000
       VCID: 698FBA691572EDDF7EB-803C
    
    2 Faults Found:
    01592 - Air Quality Sensor (G238) 
                010 - Open or Short to Plus - Intermittent
                 Freeze Frame:
                        Fault Status: 00101010
                        Fault Priority: 3
                        Fault Frequency: 8
                        Reset counter: 149
                        Mileage: 178025 km
                        Time Indication: 0
                        Date: 2019.12.19
                        Time: 21:36:40
    
                 Freeze Frame:
                        Temperature: 24.5∞C
    
    01592 - Air Quality Sensor (G238) 
                007 - Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00100111
                        Fault Priority: 3
                        Fault Frequency: 8
                        Reset counter: 149
                        Mileage: 178025 km
                        Time Indication: 0
                        Date: 2019.12.19
                        Time: 21:36:00
    
                 Freeze Frame:
                        Temperature: 24.0∞C
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 8P0-907-279-23-H.lbl
       Part No SW: 8P0 907 279 A    HW: 8P0 907 279 A*
       Component: Bordnetz-SG 1.0 H29 0501  
       Revision: 00029000    Serial number: 00000000138663
       Coding: 018C4F00A0141000000000000000000000
       Shop #: WSC 00000 000 00000
       VCID: 3B2330212F6EAF4FDC7-806E
    
       Subsystem 1 - Part No: 8P2 955 119 C  Labels: 1TX-955-119.CLB
       Component: Wischer WWS Audi350 0180  
       Coding: 16711696
       Shop #: WSC 00000  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 8P0-959-655-84.lbl
       Part No SW: 8P0 959 655 F    HW: 8P0 959 655 F
       Component: Airbag 8.4ED    H01 0130  
       Coding: 0011602
       Shop #: WSC 06435 000 00000
       VCID: 45D756D959AAE9BFBA3-8010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 8P0-953-549.lbl
       Part No SW: 8P0 953 549     HW: 8P0 953 549 
       Component: LenksČulenmodul H09 0020  
       Coding: 0000042
       Shop #: WSC 06435 000 00000
       VCID: 7BA3F0216FEE6F4F9C7-802E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 8P0-920-xxx-17-MY7.lbl
       Part No SW: 8P0 920 980 J    HW: 8P0 920 980 J
       Component: KOMBIINSTR. VDO H25 0080  
       Revision: D06         Serial number: 2247CD06001118
       Coding: 0004403
       Shop #: WSC 01019 210 136528
       VCID: 3E2539353C7CBA67FB9-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 1K0-907-530-V1.clb
       Part No SW: 1K0 907 530 B    HW: 1K0 907 951 
       Component: Gateway         H08 0090  
       Revision: 08          Serial number: 2400103723B0E3
       Coding: 3D0F0342070101
       Shop #: WSC 06435 000 00000
       VCID: 2615F155C4EC02A7939-8072
    
    3 Faults Found:
    00470 - Company Comfort Databus in Single Wire 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 117
                        Mileage: 158672 km
                        Time Indication: 0
                        Date: 2016.01.05
                        Time: 03:19:11
    
    01309 - Power Steering Control Module (J500) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 155
                        Mileage: 178929 km
                        Time Indication: 0
    
    01316 - ABS Control Module 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 156
                        Mileage: 178929 km
                        Time Indication: 0
                        Date: 2020.03.09
                        Time: 23:58:38
    
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 8P0 920 980 J    HW: 8P0 920 980 J
       Component: KOMBIINSTR. VDO H25 0080  
       Revision: D06         Serial number: AUX7Z0C7FNK0B3
       Shop #: WSC 00000 000 00000
       VCID: 3E2539353C7CBA67FB9-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels: 8P0-959-801-MIN1.lbl
       Part No: 8P0 959 801 A
       Component: Tuersteuerger.  H10 0010  
       Coding: 0000048
       Shop #: WSC 06435 000 00000
       VCID: 392F2A2925529D5FCEB-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1Kx-909-143-GEN1.clb
       Part No: 1K1 909 143 L
       Component: EPS_ZFLS Kl.6       0402  
       Shop #: WSC 00000 000 00000
       VCID: 33331801073E670F047-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 8P0-959-433.lbl
       Part No: 8P0 959 433 
       Component:    KSG          H02 0040  
       Coding: 008800186D288505485AC63000
       Shop #: WSC 01019 210 175693
       VCID: 79AFEA2965D25D5F8EB-802C
    
       Subsystem 1 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HORN H05 1501
    
       Subsystem 2 - Part No: 1K0 907 719 
       Component: Neigungssensor  002 0002
    
       Subsystem 3 - Part No: 8P0 951 177 
       Component: Innenraumueberw.H02 0010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 47: Sound System        Labels: 8Px-035-382.lbl
       Part No SW: 8P3 035 382     HW: 8P3 035 382 
       Component: AB2 SUBWOOFERBOXH23 0100  
       Revision: 00001       Serial number: 10000001043808
       Shop #: WSC 00000 000 00000
       VCID: 70B9D70D36A81C17395-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels: 8P0-959-802-MIN1.lbl
       Part No: 8P0 959 802 A
       Component: Tuersteuerger.  H10 0010  
       Coding: 0000048
       Shop #: WSC 06435 000 00000
       VCID: 3A2D352520549647C71-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 8P0-035-1xx-56.lbl
       Part No SW: 8P0 035 186     HW: 8P0 035 186 
       Component: concert II EU   H53 0060  
       Revision:      07S    Serial number: AUZ2Z3C1397642
       Coding: 0001001
       Shop #: WSC 06435 000 00000
       VCID: 6FBBD4712B9603EF20F-803A
    
    2 Faults Found:
    01317 - Control Module in Instrument Cluster (J285) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 5
                        Fault Frequency: 2
                        Reset counter: 147
                        Time Indication: 15
    
                 Freeze Frame:
                        Bin. Bits:       10
    
    01299 - Diagnostic Interface for Data Bus (J533) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 5
                        Fault Frequency: 2
                        Reset counter: 147
                        Time Indication: 15
    
    
    End----------(Elapsed Time: 01:08, VBatt start/end: 12.0V/14.5V)-----------

  2. #2
    Benevolent Dictator Uwe's Avatar
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    My gut tells me that a dodgy ABS module is a more likely explanation than a problem with the gateway.

    -Uwe-
    Lock-down of sick people: Quarantine
    Lock-down of healthy people: Tyranny

  3. #3
    Verified VCDS User
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    I was thinking the same based purely on the fact that on the right-hand drive model it's the most difficult thing to get to.
    Hey-Ho, such is life.
    Thanks for your reply

  4. #4
    Verified VCDS User
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    Just for clarity, are you thinking the electronics box that unbolts or the whole assembly? I don't fancy hydraulics and brake bleeding at the side of the road under the circumstances and the cost of the complete module with pump and valve block is probably more than the car is worth just for the parts!

  5. #5
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    Hi Daytona,
    Just unplug the connector off the ABS module and rescan, then post it here.
    Regards HMC

  6. Likes NZDubNurd, Dana liked this post
  7. #6
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    Hi HMC, thanks for your advice. I wonder who at Audi thought it a good idea to bury it under the battery? I'll give it a go in the morning and post the results.

  8. #7
    Verified VCDS User NZDubNurd's Avatar
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    What HMC said - if the ABS is a problem, then everything may communicate OK (except the ABS - duh!)

    Also - RHD means you have to remove the block to get the module off... unless you get really rough/creative. The screws point the wrong way and the module can't normally slide far enough to come off safely
    Allan
    The R32ran Thread
    How to post a full Auto-Scan
    "Duct tape can't fix stupid, but it can muffle the sound"

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  10. #8
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    Sounds plausible. I was thinking removing the inner wing might be a way in if it comes to it. Where there's a will etc...
    Thanks for the Heads Up

  11. #9
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    Sorry for the delay guys.
    This is the scan with the ABS Module dis-connected

    Code:
    Thursday,16,April,2020,13:10:17:45305
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 8.1 x64
    VCDS Version: 20.4.0.1 (x64)  HEX-V2 CB: 0.4508.4
    Data version: 20200331 DS317.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ8P64A064818   License Plate: 
    Mileage: 178930km-111181mi   Repair Order: 16-04-20
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 8P (1K0)
    Scan: 01 03 08 09 15 16 17 19 25 42 44 46 47 52 56
    
    VIN: WAUZZZ8P64A064818   Mileage: 178930km-111181miles
    
    00-Steering Angle Sensor -- Status: OK 0000
    01-Engine -- Status: Cannot be reached 1100
    03-ABS Brakes -- Status: Cannot be reached 1100
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: Malfunction 0010
    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: Malfunction 0010
    46-Central Conv. -- Status: Malfunction 0010
    47-Sound System -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    56-Radio -- Status: Malfunction 0010
    -------------------------------------------------------------------------------
    Address 01: Engine
    Cannot be reached
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes
    Cannot be reached
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 8P0-820-043.lbl
       Part No SW: 8P0 820 043     HW: 8P0 820 043 
       Component: KlimavollautomatH11 0130  
       Shop #: WSC 00000 000 00000
       VCID: 698FBA691572EDD3E4C-803C
    
    3 Faults Found:
    01592 - Air Quality Sensor (G238) 
                010 - Open or Short to Plus - Intermittent
                 Freeze Frame:
                        Fault Status: 00101010
                        Fault Priority: 3
                        Fault Frequency: 8
                        Reset counter: 149
                        Mileage: 178025 km
                        Time Indication: 0
                        Date: 2019.12.19
                        Time: 21:36:40
    
                 Freeze Frame:
                        Temperature: 24.5∞C
    
    01592 - Air Quality Sensor (G238) 
                007 - Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00100111
                        Fault Priority: 3
                        Fault Frequency: 8
                        Reset counter: 149
                        Mileage: 178025 km
                        Time Indication: 0
                        Date: 2019.12.19
                        Time: 21:36:00
    
                 Freeze Frame:
                        Temperature: 24.0∞C
    
    01206 - Signal for Duration of Ignition Off Time 
                008 - Implausible Signal
                 Freeze Frame:
                        Fault Status: 01101000
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 122
                        Mileage: 178930 km
                        Time Indication: 0
                        Date: 2020.04.09
                        Time: 00:01:45
    
                 Freeze Frame:
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 8P0-907-279-23-H.lbl
       Part No SW: 8P0 907 279 A    HW: 8P0 907 279 A*
       Component: Bordnetz-SG 1.0 H29 0501  
       Revision: 00029000    Serial number: 00000000138663
       Coding: 018C4F00A0141000000000000000000000
       Shop #: WSC 00000 000 00000
       VCID: 3B2330212F6EAF43460-806E
    
       Subsystem 1 - Part No: 8P2 955 119 C  Labels: 1TX-955-119.CLB
       Component: Wischer WWS Audi350 0180  
       Coding: 16711696
       Shop #: WSC 00000  
    
    3 Faults Found:
    01800 - Light Switch (E1) 
                008 - Implausible Signal - Intermittent
    01064 - Terminal 58d; Interior Dimming 
                012 - Electrical Fault in Circuit
    01314 - Engine Control Module 
                004 - No Signal/Communication
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 8P0-959-655-84.lbl
       Part No SW: 8P0 959 655 F    HW: 8P0 959 655 F
       Component: Airbag 8.4ED    H01 0130  
       Coding: 0011602
       Shop #: WSC 06435 000 00000
       VCID: 45D756D959AAE9B3204-8010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 8P0-953-549.lbl
       Part No SW: 8P0 953 549     HW: 8P0 953 549 
       Component: Lenks‰ulenmodul H09 0020  
       Coding: 0000042
       Shop #: WSC 06435 000 00000
       VCID: 7BA3F0216FEE6F43060-802E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 8P0-920-xxx-17-MY7.lbl
       Part No SW: 8P0 920 980 J    HW: 8P0 920 980 J
       Component: KOMBIINSTR. VDO H25 0080  
       Revision: D06         Serial number: 2247CD06001118
       Coding: 0004403
       Shop #: WSC 01019 210 136528
       VCID: 3E2539353C7CBA6B61E-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 1K0-907-530-V1.clb
       Part No SW: 1K0 907 530 B    HW: 1K0 907 951 
       Component: Gateway         H08 0090  
       Revision: 08          Serial number: 2400103723B0E3
       Coding: 3D0F0342070101
       Shop #: WSC 06435 000 00000
       VCID: 2615F155C4EC02AB09E-8072
    
    3 Faults Found:
    00470 - Company Comfort Databus in Single Wire 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 3
                        Fault Frequency: 214
                        Reset counter: 122
                        Mileage: 178930 km
                        Time Indication: 0
                        Date: 2020.03.16
                        Time: 01:39:26
    
    01314 - Engine Control Module 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 122
                        Mileage: 178930 km
                        Time Indication: 0
                        Date: 2020.04.09
                        Time: 00:01:44
    
    01316 - ABS Control Module 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 122
                        Mileage: 178930 km
                        Time Indication: 0
                        Date: 2020.04.09
                        Time: 00:01:44
    
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 8P0 920 980 J    HW: 8P0 920 980 J
       Component: KOMBIINSTR. VDO H25 0080  
       Revision: D06         Serial number: AUX7Z0C7FNK0B3
       Shop #: WSC 00000 000 00000
       VCID: 3E2539353C7CBA6B61E-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels: 8P0-959-801-MIN1.lbl
       Part No: 8P0 959 801 A
       Component: Tuersteuerger.  H10 0010  
       Coding: 0000048
       Shop #: WSC 06435 000 00000
       VCID: 392F2A2925529D5354C-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1Kx-909-143-GEN1.clb
       Part No: 1K1 909 143 L
       Component: EPS_ZFLS Kl.6       0402  
       Shop #: WSC 00000 000 00000
       VCID: 33331801073E67039E0-8066
    
    1 Fault Found:
    01314 - Engine Control Module 
                004 - No Signal/Communication - MIL ON
                 Freeze Frame:
                        Mileage: 8920 km
                        Temperature: 15.0∞C
                        Voltage: 12.10 V
                        Voltage: 11.90 V
    
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 8P0-959-433.lbl
       Part No: 8P0 959 433 
       Component:    KSG          H02 0040  
       Coding: 008800186D288505485AC63000
       Shop #: WSC 01019 210 175693
       VCID: 79AFEA2965D25D5314C-802C
    
       Subsystem 1 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HORN H05 1501
    
       Subsystem 2 - Part No: 1K0 907 719 
       Component: Neigungssensor  002 0002
    
       Subsystem 3 - Part No: 8P0 951 177 
       Component: Innenraumueberw.H02 0010
    
    1 Fault Found:
    01312 - Powertrain Data Bus 
                013 - Check DTC Memory
    
    -------------------------------------------------------------------------------
    Address 47: Sound System        Labels: 8Px-035-382.lbl
       Part No SW: 8P3 035 382     HW: 8P3 035 382 
       Component: AB2 SUBWOOFERBOXH23 0100  
       Revision: 00001       Serial number: 10000001043808
       Shop #: WSC 00000 000 00000
       VCID: 70B9D70D36A81C1BA32-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels: 8P0-959-802-MIN1.lbl
       Part No: 8P0 959 802 A
       Component: Tuersteuerger.  H10 0010  
       Coding: 0000048
       Shop #: WSC 06435 000 00000
       VCID: 3A2D35252054964B5D6-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 8P0-035-1xx-56.lbl
       Part No SW: 8P0 035 186     HW: 8P0 035 186 
       Component: concert II EU   H53 0060  
       Revision:      07S    Serial number: AUZ2Z3C1397642
       Coding: 0001001
       Shop #: WSC 06435 000 00000
       VCID: 6FBBD4712B9603E3BA8-803A
    
    2 Faults Found:
    01317 - Control Module in Instrument Cluster (J285) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 5
                        Fault Frequency: 2
                        Reset counter: 161
                        Time Indication: 15
    
                 Freeze Frame:
                        Bin. Bits:       10
    
    01299 - Diagnostic Interface for Data Bus (J533) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 5
                        Fault Frequency: 2
                        Reset counter: 161
                        Time Indication: 15
    
    
    End----------(Elapsed Time: 00:55, VBatt start/end: 12.0V/12.0V)-----------
    Not that dissimilar to the un-trained eye except ABS can not be reached and ditto the ECU.
    I'm pretty sure there is a terminating resistor in the ABS module which will possibly account for the ECU DTC because the Bus will have a load of noise on it.
    Re-built Module is about £250 and a load of work to get it out,so I really need to be sure before I go for it!
    You are right about the way get it off NZDubNurd. Car must have been built round it!
    Assuming I'm not missing anything in the Scan I guess Powers , Grounds and Resitance on the CAN lines measured at the ABS plug.
    Any other thoughts?
    Cheers
    Graham

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  13. #10
    Ross-Tech Employee Dana's Avatar
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    Hi guys,

    Grahm pinged us via e-mail in March regarding Single wire Comfort, monitoring CAN traffic (which would require an oscilloscope) and the terrible state of the Powertrain Data Bus . My reply to the scan dated Friday,13,March,2020 was:
    Code:
    I agree, it appears to be unhappy.  No doubt, the Company Comfort
    Databus in Single Wire issue is important however that's the Comfort bus
    and far less important than the Powertrain (PT) Databus issues in the
    scan.  If any of these reoccur I would shift my focus to that area:
    
    * GVL
    >> 44-Steering Assist -- Status: Sporadic communication error 1000
    
    * Address 01: Engine
    >> 18104 - Powertrain Data Bus 
    >>             P1696 - 002 - Implausible Message from Steering Column Controller - Intermittent
    >> 18057 - Powertrain Data Bus 
    >>             P1649 - 008 - Missing Message from ABS Controller - Intermittent
    
    * Address 03: ABS Brakes
    >> 00778 - Steering Angle Sensor (G85) 
    >>             003 - Mechanical Failure
    
    * Address 19: CAN Gateway
    >> 01309 - Power Steering Control Module (J500) 
    >>             004 - No Signal/Communication - Intermittent
    >> 
    >> 01316 - ABS Control Module 
    >>             004 - No Signal/Communication - Intermittent
    
    The fault frequency is much lower so if they do not reoccur I wouldn't
    worry about it for now.  However, if they do reoccur I'd be more
    concerned because they are powertrain related.
    
    Next, as far as the Single Wire mode on the Comfort Databus is concerned
    you can evaluate Measuring Blocks in Address 19: CAN Gateway.  MVBs 130+
    are related to CAN-Databus Comfort and 130.1 should read: 2-Wire
    
    Likewise, each of the modules on that bus (i.e. such as door, HVAC and
    similar) should read 1 = online/OK.  Because broken wiring in the
    driver's door is common due to wear and tear I'd start by monitoring the
    data and opening/closing doors slowly to see if the status changes.  If
    it doesn't change you might want to add the MVBs to a log file so they
    can be sent for review or posted in our forum for assistance from a much
    larger group.
    
      Although this is a Mk6 based vehicle, the
    19-7N0-907-530-BH-WVGBV7AX3HK042026.PLB map from my Mom's Tiguan may be
    of assistance so you can see what normal (non-broken) 19 MVB results are:
    
    https://forums.ross-tech.com/showthread.php?13093-2017-Tiguan-Limited-(Old-Mk6-body-style)-2-0T-CCTA&p=118984&viewfull=1#post118984
    
    Lastly, the 19-CAN Gateway itself can become damaged due to water
    ingress on our LHD models (near the gas pedal) and I think the same
    would apply to other markets.  For that reason you might want to unplug
    it at some point to see if there's damage there because something like a
    19 failure (or wiring problems at it) might explain ALL of the
    communication problems.
    
    If you do inspect and unplug 19 keep in mind that doing so will create a
    bunch of fault codes.  For that reason you might hold off on that until
    you've had time to see if those PT Bus faults reoccur.
    
    Also, the information you are able to retrieve with VCDS won't replace
    good old fashioned wiring diagrams, DVOMs or oscilloscopes and it may be
    necessary to use any number of additional tools or resources in order to
    diagnose the problem.  On that note, repair information can be obtained
    through erWin if you don't already have a source:
    
    http://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information
    If the 19-CAN Gateway wasn't located in the same place as our LHD models (where water damage occurred) then I agree. I wouldn't be as inclined to suspect a problem with 19 but the cause of Company Comfort Databus in Single Wire - Open Circuit is worth chasing at some point. The next time everything is connected please add MVBs 125-132 to a text log and try that open/close door tip to see if the CAN Comfort status happens to change.

    Now, as far as that more recent scan (Thursday,16,April,2020,) is concerned I don't believe this is just a faulty 03-ABS module. The 01-Engine should have been online with 03 unplugged and it isn't. Do make sure it wasn't accidentally disconnected during that last scan.

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