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Thread: Skoda Fabia 6Y strange direction indicator problem

  1. #1
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    Skoda Fabia 6Y strange direction indicator problem

    Hi Guys,
    This one has me a bit baffled!
    Code:
    Saturday,14,January,2017,14:47:51:20505
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows Vista x86
    VCDS Version: 17.1.0.0
    Data version: 20170106 DS267.0
    www.Ross-Tech.com
    
    Dealer/Shop Name: Response Diagnostics     01732 863344
    
    VIN: TMBPW46Y564579134   License Plate: LV06AVM
    Mileage: 35980km-22356mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 6Y (6Y - Skoda Fabia (1996 > 2008))
    Scan: 01 02 03 08 09 15 17 19 25 37 44 46 55 56 76
     
    VIN: TMBPW46Y564579134   Mileage: 35980km-22356miles
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: Redir Fail!
       Part No: 03D 906 033 C
       Component: 1,2l/2V SIMOS3  00HS1509  
       Coding: 00071
       Shop #: WSC 13765  
       VCID: 1F49DF2D9DEDC5B9D6-5120
       TMBPW46Y564579134     SKZ7Z0F3422566
    
    6 Faults Found:
    16726 - Camshaft Position Sensor (G40) 
                P0342 - 35-10 - Signal too Low - Intermittent
    16556 - Fuel Trim; Bank 1 
                P0172 - 35-00 - System Too Rich
    18058 - Powertrain Data Bus 
                P1650 - 35-10 - Missing Message from Instrument Cluster - Intermittent
    18057 - Powertrain Data Bus 
                P1649 - 35-10 - Missing Message from ABS Controller - Intermittent
    18043 - Powertrain Data Bus 
                P1635 - 35-10 - Missing Message from A/C Controller - Intermittent
    18045 - Powertrain Data Bus 
                P1637 - 35-10 - Missing Message from Electric Load Controller - Intermittent
    Readiness: 0000 0000
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 6R0-907-37x-ABS80.lbl
       Part No SW: 6Q0 907 379 AF    HW: 6Q0 907 379 AF
       Component: ABS 8.0 front   H04 0002  
       Revision: 00000000    Serial number: 00000000000000
       Coding: 0002058
       Shop #: WSC 13765 000 00000
       VCID: 010DB9555B591349C0-513C
    
    3 Faults Found:
    18265 - Load Signal 
                P1857 - 000 - Error Message from ECU - Intermittent
                 Freeze Frame:
                        Fault Status: 00100000
                        Fault Priority: 2
                        Fault Frequency: 6
                        Reset counter: 107
                        Mileage: 35711 km
                        Time Indication: 0
    
    01314 - Engine Control Module 
                013 - Check DTC Memory - Intermittent
                 Freeze Frame:
                        Fault Status: 00101101
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 107
                        Mileage: 35980 km
                        Time Indication: 0
    
    01317 - Control Module in Instrument Cluster (J285) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 1
                        Fault Frequency: 1
                        Reset counter: 106
                        Mileage: 35975 km
                        Time Indication: 0
    
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 6Q0-820-045.lbl
       Part No: 6Y0 820 045 
       Component: Klimaanlage        X0840  
       VCID: 72EFE6993EFF38D1C9-513C
    
    1 Fault Found:
    01596 - Motor for Outside/Recirculated Air Flap (V154) 
                30-00 - Open or Short to Plus
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels: 6Qx-937-049-C.lbl
       Part No: 6Q1 937 049 D
       Component: 0000 BN-SG.         1S34  
       Coding: 09226
       Shop #: WSC 13765  
       VCID: 3C7308A12C3BBEA1D3-513C
    
    11 Faults Found:
    01598 - Drive Battery Voltage 
                07-10 - Signal too Low - Intermittent
    00900 - Unlicensed Version. Not all DTCs 
                37-10 - will be decoded. - Intermittent
    00969 - Unlicensed Version. Not all DTCs 
                37-10 - will be decoded. - Intermittent
    01336 - Company Data Bus for Comfort System 
                49-10 - No Communications - Intermittent
    01309 - Unlicensed Version. Not all DTCs 
                49-10 - will be decoded. - Intermittent
    01321 - Unlicensed Version. Not all DTCs 
                49-10 - will be decoded. - Intermittent
    01317 - Control Module in Instrument Cluster (J285) 
                49-10 - No Communications - Intermittent
    01598 - Unlicensed Version. Not all DTCs 
                27-10 - will be decoded. - Intermittent
    01314 - Unlicensed Version. Not all DTCs 
                49-10 - will be decoded. - Intermittent
    01316 - ABS Control Module 
                49-10 - No Communications - Intermittent
    00966 - Unlicensed Version. Not all DTCs 
                37-10 - will be decoded. - Intermittent
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
       Part No: 1C0 909 601 A
       Component: 11 AIRBAG VW51      0009  
       Coding: 12593
       Shop #: WSC 13765  
       VCID: 1E37E2299AE7CCB1DD-5120
    
    1 Fault Found:
    00532 - Supply Voltage B+ 
                07-10 - Signal too Low - Intermittent
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 6Y0-920-xx0-17.lbl
       Part No: 6Y0 920 981 M
       Component: KOMBI+WEGFAHRSP VDO V02  
       Coding: 00401
       Shop #: WSC 13765  
       VCID: 499D617573E91B0958-5120
       TMBPW46Y564579134     SKZ7Z0F3422566
    
    8 Faults Found:
    00779 - Outside Air Temp Sensor (G17) 
                30-10 - Open or Short to Plus - Intermittent
    01128 - Immobilizer Pickup Coil (D2) 
                35-10 -  -  - Intermittent
    01176 - Key 
                07-10 - Signal too Low - Intermittent
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    01316 - ABS Control Module 
                49-10 - No Communications - Intermittent
    01321 - Control Module for Airbags (J234) 
                49-10 - No Communications - Intermittent
    01322 - Control Module for Multi-Function Unit (MFA) (J501) 
                49-10 - No Communications - Intermittent
    01309 - Power Steering Control Module (J500) 
                49-10 - No Communications - Intermittent
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
       Part No: 6N0 909 901 
       Component: 003D GATEWAY CAN    1S34  
       Coding: 00014
       Shop #: WSC 13765  
       VCID: 70EBEC9130F30AC13F-513C
    
    6 Faults Found:
    01336 - Company Data Bus for Comfort System 
                49-10 - No Communications - Intermittent
    01309 - Power Steering Control Module (J500) 
                49-10 - No Communications - Intermittent
    01321 - Control Module for Airbags (J234) 
                49-10 - No Communications - Intermittent
    01317 - Control Module in Instrument Cluster (J285) 
                49-10 - No Communications - Intermittent
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    01316 - ABS Control Module 
                49-10 - No Communications - Intermittent
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 6Q0-423-156.clb
       Part No: 6Q0 423 156 AB
       Component: LenkhilfeTRW        V270  
       Coding: 10140
       Shop #: WSC 13765  
       VCID: 6FE9EFED2DCD153926-513C
    
    1 Fault Found:
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 6Q0-959-433.lbl
       Part No: 6Q0 959 433 E
       Component: 2X KomfortgerŠt     0002  
       Coding: 00019
       Shop #: WSC 13765  
       VCID: 3D7505A53721B7A9E4-4AE6
    
    3 Faults Found:
    01330 - Central Control Module for Central Convenience (J393) 
                53-10 - Supply Voltage Too Low - Intermittent
    01336 - Company Data Bus for Comfort System 
                80-10 - Single-Wire Operation - Intermittent
    00849 - S-contact at Ignition/Starter Switch (D) 
                25-10 - Unknown Switch Condition - Intermittent
    
    End-------------------------(Elapsed Time: 03:26)--------------------------
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 6Y (6Y - Skoda Fabia (1996 > 2008))
    Scan: 01 02 03 08 09 15 17 19 25 37 44 46 55 56 76
     
    VIN: TMBPW46Y564579134   Mileage: 35980km-22356miles
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: Redir Fail!
       Part No: 03D 906 033 C
       Component: 1,2l/2V SIMOS3  00HS1509  
       Coding: 00071
       Shop #: WSC 13765  
       VCID: 1F49DF2D9DEDC5B9D6-5120
       TMBPW46Y564579134     SKZ7Z0F3422566
    
    6 Faults Found:
    16726 - Camshaft Position Sensor (G40) 
                P0342 - 35-10 - Signal too Low - Intermittent
    16556 - Fuel Trim; Bank 1 
                P0172 - 35-00 - System Too Rich
    18058 - Powertrain Data Bus 
                P1650 - 35-10 - Missing Message from Instrument Cluster - Intermittent
    18057 - Powertrain Data Bus 
                P1649 - 35-10 - Missing Message from ABS Controller - Intermittent
    18043 - Powertrain Data Bus 
                P1635 - 35-10 - Missing Message from A/C Controller - Intermittent
    18045 - Powertrain Data Bus 
                P1637 - 35-10 - Missing Message from Electric Load Controller - Intermittent
    Readiness: 0000 0000
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 6R0-907-37x-ABS80.lbl
       Part No SW: 6Q0 907 379 AF    HW: 6Q0 907 379 AF
       Component: ABS 8.0 front   H04 0002  
       Revision: 00000000    Serial number: 00000000000000
       Coding: 0002058
       Shop #: WSC 13765 000 00000
       VCID: 010DB9555B591349C0-513C
    
    3 Faults Found:
    18265 - Load Signal 
                P1857 - 000 - Error Message from ECU - Intermittent
                 Freeze Frame:
                        Fault Status: 00100000
                        Fault Priority: 2
                        Fault Frequency: 6
                        Reset counter: 107
                        Mileage: 35711 km
                        Time Indication: 0
    
    01314 - Engine Control Module 
                013 - Check DTC Memory - Intermittent
                 Freeze Frame:
                        Fault Status: 00101101
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 107
                        Mileage: 35980 km
                        Time Indication: 0
    
    01317 - Control Module in Instrument Cluster (J285) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 1
                        Fault Frequency: 1
                        Reset counter: 106
                        Mileage: 35975 km
                        Time Indication: 0
    
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 6Q0-820-045.lbl
       Part No: 6Y0 820 045 
       Component: Klimaanlage        X0840  
       VCID: 72EFE6993EFF38D1C9-5120
    
    1 Fault Found:
    01596 - Motor for Outside/Recirculated Air Flap (V154) 
                30-00 - Open or Short to Plus
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels: 6Qx-937-049-C.lbl
       Part No: 6Q1 937 049 D
       Component: 0000 BN-SG.         1S34  
       Coding: 09226
       Shop #: WSC 13765  
       VCID: 3C7308A12C3BBEA1D3-5120
    
    11 Faults Found:
    01598 - Drive Battery Voltage 
                07-10 - Signal too Low - Intermittent
    00900 - Fuse for Signal Horn (S194) 
                37-10 - Faulty - Intermittent
    00969 - Fuse for Heated Rear Window (S41) 
                37-10 - Faulty - Intermittent
    01336 - Company Data Bus for Comfort System 
                49-10 - No Communications - Intermittent
    01309 - Power Steering Control Module (J500) 
                49-10 - No Communications - Intermittent
    01321 - Control Module for Airbags (J234) 
                49-10 - No Communications - Intermittent
    01317 - Control Module in Instrument Cluster (J285) 
                49-10 - No Communications - Intermittent
    01598 - Drive Battery Voltage 
                27-10 - Implausible Signal - Intermittent
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    01316 - ABS Control Module 
                49-10 - No Communications - Intermittent
    00966 - Fuse for Blinkers (S151) 
                37-10 - Faulty - Intermittent
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
       Part No: 1C0 909 601 A
       Component: 11 AIRBAG VW51      0009  
       Coding: 12593
       Shop #: WSC 13765  
       VCID: 1E37E2299AE7CCB1DD-513C
    
    1 Fault Found:
    00532 - Supply Voltage B+ 
                07-10 - Signal too Low - Intermittent
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 6Y0-920-xx0-17.lbl
       Part No: 6Y0 920 981 M
       Component: KOMBI+WEGFAHRSP VDO V02  
       Coding: 00401
       Shop #: WSC 13765  
       VCID: 499D617573E91B0958-513C
       TMBPW46Y564579134     SKZ7Z0F3422566
    
    8 Faults Found:
    00779 - Outside Air Temp Sensor (G17) 
                30-10 - Open or Short to Plus - Intermittent
    01128 - Immobilizer Pickup Coil (D2) 
                35-10 -  -  - Intermittent
    01176 - Key 
                07-10 - Signal too Low - Intermittent
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    01316 - ABS Control Module 
                49-10 - No Communications - Intermittent
    01321 - Control Module for Airbags (J234) 
                49-10 - No Communications - Intermittent
    01322 - Control Module for Multi-Function Unit (MFA) (J501) 
                49-10 - No Communications - Intermittent
    01309 - Power Steering Control Module (J500) 
                49-10 - No Communications - Intermittent
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
       Part No: 6N0 909 901 
       Component: 003D GATEWAY CAN    1S34  
       Coding: 00014
       Shop #: WSC 13765  
       VCID: 70EBEC9130F30AC13F-513C
    
    6 Faults Found:
    01336 - Company Data Bus for Comfort System 
                49-10 - No Communications - Intermittent
    01309 - Power Steering Control Module (J500) 
                49-10 - No Communications - Intermittent
    01321 - Control Module for Airbags (J234) 
                49-10 - No Communications - Intermittent
    01317 - Control Module in Instrument Cluster (J285) 
                49-10 - No Communications - Intermittent
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    01316 - ABS Control Module 
                49-10 - No Communications - Intermittent
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 6Q0-423-156.clb
       Part No: 6Q0 423 156 AB
       Component: LenkhilfeTRW        V270  
       Coding: 10140
       Shop #: WSC 13765  
       VCID: 6FE9EFED2DCD153926-5120
    
    1 Fault Found:
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 6Q0-959-433.lbl
       Part No: 6Q0 959 433 E
       Component: 2X KomfortgerŠt     0002  
       Coding: 00019
       Shop #: WSC 13765  
       VCID: 3D7505A53721B7A9E4-4B00
    
    3 Faults Found:
    01330 - Central Control Module for Central Convenience (J393) 
                53-10 - Supply Voltage Too Low - Intermittent
    01336 - Company Data Bus for Comfort System 
                80-10 - Single-Wire Operation - Intermittent
    00849 - S-contact at Ignition/Starter Switch (D) 
                25-10 - Unknown Switch Condition - Intermittent
    
    End-------------------------(Elapsed Time: 03:22)--------------------------
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Address 46: DTCs cleared
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Address 09: DTCs cleared
    The symptoms are these :-
    The right direction indicators work correctly, always.
    The left direction indicators work correctly with the engine off.
    When the engine is started the left indicators will stop, no matter what you do with the column switch the left indicators do not operate, until the steering is moved, then the lane change indication is made (3 flashes). If the steering wheel is moved continuously the indicators will operate until the steering wheel stops moving then the indicators stop.
    Coding on Central electrical seems correct as do the adaptations.
    In central electrical 09 MVB 2,3 blinker switch reports "on" when the indicators are working, "off" when the engine is started and "on" again each time the steering is moved.
    In steering assist 44 MVB 4,3 reports steering aid sensor reference voltage as "too low" but no DTCs are stored.
    Bear in mind this is a UK car, indicating left is pulling to the kerbside.
    It doesn't seem like a hardware fault to me.
    The column switch was replaced by another garage who took it bck off again. I have cleaned the original, the fault is present when a link is fitted with the switch completely off the car. There are no wiring chafes on the steering column or anything like that. It's definitely movement of the steering angular acceleration sensor that is triggering the lane change.
    Any ideas greatfully received.
    Last edited by Response Diagnostics; 01-14-2017 at 12:54 PM. Reason: trying to get the code tags to work

  2. #2
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    I'd start with checking all power supply wires to module 09 and CAN wiring.

  3. #3
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    I will check the fuses but, one side works the other only in a particular set of circumstances unless a CANBUS fault has a way of intercepting only a particular message?

  4. #4
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    Ok, if You clear all fault codes, then cycle ignition, do not start engine, do not turn steering wheel, do not touch any switches, just make another autoscan - what fault codes came back?
    I don't think some particular CAN messages between modules are intercepted. I think something is wrong with wiring or inside some module and open or short circuits disappears and reappears together with movement of some mechanical parts or vibration from engine running.

  5. #5
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    At home now, but will get back on it Monday. The sequence seems to be when the engine starts, battery voltage rises, power steering starts up, fault symptoms become apparent. I did wonder if the input circuitry for left indicator is marginal and is battery voltage sensitive.

  6. #6
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    Update,
    The fault is indeed voltage sensitive. 13.9V battery voltage, indicator works. 14.0V, indicator stops. I suspect that moving the steering was just causing a voltage dip.

  7. #7
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    After finding it was a voltage sensitive problem I replaced the central electrical unit (aka onboard power supply control unit). End of problem.
    Thanks for the ideas.
    Shaun.

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