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Immobiliser problem

Discussion in 'VCDS (formerly VAG-COM) forum' started by slepy, Nov 15, 2010.

  1. slepy
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    slepy Extremely smart and handsome person. VCDS Map User

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    [Nov 15, 2010]
    I have a problem with immobiliser when I start the car.
    When I turn the key the immo light starts flashing.
    I need to try to turn the key few times before it works.

    Sometimes I have a problem with remote opening the car.
    I need to open it with key and turn the ignition on to unlock the rest of locks.

    Scanned it with vcds today and it shows following codes:


    Address 16: Steering wheel Labels: 8E0-953-549.lbl
    Part No: 8E0 953 549 F
    Component: Lenksáulenmodul 0308
    Coding: 00011
    Shop #: WSC 63351
    VCID: 3669D79B3835

    1 Fault Found:
    00474 - Control Module for Immobilizer
    49-10 - No Communications - Intermittent

    -------------------------------------------------------------------------------
    Address 17: Instruments Labels: 8E0-920-9xx-8E2.lbl
    Part No: 8E0 920 950 J
    Component: KOMBI+WEGFAHRS. RB4 D35
    Coding: 00400
    Shop #: WSC 00000
    VCID: 3065E183DA51
    WAUZZZ8E43A101877 AUZ6Z0B0145132

    1 Fault Found:
    01176 - Key
    07-10 - Signal too Low - Intermittent


    I can't find much about code 474. Checked Wiki and anything that comes up on google but nothing really.

    Second code is explained on wiki

    01176 - Key: Signal too Low

    Possible Symptoms

    Malfunction Indicator Light (MIL) ON
    Possible Causes

    Immobilizer
    Wiring and/or Connector(s) from/to Immobilizer Reader Coil faulty
    Immobilizer Reader Coil faulty
    Immobilizer Transponder in Key faulty OR incorrect Transponder in Key

    Remote Control
    Remote Control Battery low
    Remote Control faulty OR incorrect Remote Control used

    Possible Solutions
    Immobilizer
    Check Wiring and/or Connector(s) from/to Immobilizer Reader Coil
    Check Key Immobilizer Transponder Status
    See Measuring Value Blocks (MVB)
    Check/Renew Immobilizer Key Matching
    Check/Replace Key

    Remote Control
    Check/Replace Remote Control Battery
    Check/Replace Remote Control
    Special Notes

    This Fault Code can be stored in due to Remote Control or Immobilizer Problems. On most Models these systems are separate and should therefor also be diagnosed separately.
    In case of Engine Starting Issues please make sure that you are really experiencing an Immobilizer related Problem! On most models using conventional keys, the Engine will still start but cut out after 1-3 Seconds if an Immobilizer related Problem is the cause. On models using Kessy Systems and Electronic Keys, most systems in the car won't power up at all if if an Immobilizer related Problem is the cause. If you are NOT experiencing this behavior (e.g. Instrument Cluster powers up, and engine cranks but doesn't fire at all or engine won't crank) this is likely NOT Immobilizer related.

    When found in Audi A3 (8L), Audi A4 (8D), Audi A6 (4B) or Audi A8 (4D), check Wiring from Immobilizer Control Module to Immobilizer Reader Coil. A known issue would be the Length of the Wiring, an optimized Replacement Part may be available (8D0-972-275).
    May be stored in Combination with 17656/P1248/004680 - Engine Start Blocked by Immobilizer in Engine Control Module.


    Any advice what I should start with?
    Wiring that goes to the barrel? Should I change it?:sadlike:
    #1
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  3. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 15, 2010]
    Have you changed the battery in the key fob ?
    #2
  4. slepy
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    slepy Extremely smart and handsome person. VCDS Map User

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    [Nov 15, 2010]
    I didn't yet. Can it be a cause of the problem?
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  5. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 15, 2010]
    If you read the 'Possible causes / Possible solutions ' again you will see 'key signal low' and 'remote control battery low'.

    This is the first place to start and the easiest and cheapest.

    Change it and see if it fixes the problem - nothing lost ( apart from the odd quid ) if it doesn't work !
    #4
  6. slepy
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    slepy Extremely smart and handsome person. VCDS Map User

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    [Nov 15, 2010]
    will do
    thanks
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  7. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 15, 2010]
    Be sure to let us know if it sorts the problem - it will help others if you do.
    #6
  8. slepy
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    slepy Extremely smart and handsome person. VCDS Map User

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    [Nov 17, 2010]
    I've changed battery in the key. Also noticed that one of the metal pieces barely touches the battery so bent it a bit.
    I have started the car few times yesterday and today. There was no problem with immo even once.
    Also scanned it today and it doesn't show error anymore so good times!
    #7
  9. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Nov 17, 2010]
    battery has nothing at all to do with immo, but will have affected the locking/unlocking.

    Its more likely the slight movement of components allowing the glass bead to give it's signal properly.
    #8
  10. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 17, 2010]
    Result !!! :icon_thumright:

    Thanks for letting us know.
    #9
  11. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 17, 2010]
    I think you're wrong :yes: !! ?

    In this case of course :huh:
    Last edited: Nov 17, 2010
    #10
  12. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Nov 17, 2010]
    I am not.

    The Immo capsule is completely seperate to the remote section.

    The immo is passive and the capsule vibrates at a specific fequency when the signal from the immo loop acts upon it,the reflected signal is then picked up and the immo disabled. Try it, remove the remote bit of your key and go start your car.
    I just have it's perfect as expected
    #11
  13. 1wheelonly
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    1wheelonly cabriolet VCDS Map User

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    [Nov 17, 2010]
    byzan is 100% spot on, both very seperate things !!
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  14. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 17, 2010]
    Maybe so pal - and I've changed key fobs in the past and know you have to change the capsule over as well otherwise it won't start - but in THIS case it seems like a hell of a coincidence that taking the most obvious and easy and cheap route of changing the battery, which was identified as a problem on the scan, has sorted the problem !

    I know the immo is separate but, in this instance, the suggested solution worked for the guy.

    What would you have suggested to try first - had you bothered to reply ?
    #13
  15. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Nov 17, 2010]
    First off i am not your pal, and had i bothered to reply as you call it, i would first have to have seen the thread which i didn't see till today hence my answer.

    I suggest you wind your neck in and pat your self on the back that changing the battery in an unrelated system magicly fixed it
    #14
  16. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 17, 2010]
    So, if you had seen the thread, what would you have suggested ?
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  17. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Nov 17, 2010]
    The first thing i would have tried was a spare key, assuming there is one. That would eliminate the key, and narrow it down to a reading error.

    It's more likely clearing the codes has temporarily fixed it and it will re surface shortly

    The codes suggest a wiring,connection error from reader to immo/dash

    1 Fault Found:
    00474 - Control Module for Immobilizer
    49-10 - No Communications - Intermittent

    -------------------------------------------------------------------------------
    Address 17: Instruments Labels: 8E0-920-9xx-8E2.lbl
    Part No: 8E0 920 950 J
    Component: KOMBI+WEGFAHRS. RB4 D35
    Coding: 00400
    Shop #: WSC 00000
    VCID: 3065E183DA51
    WAUZZZ8E43A101877 AUZ6Z0B0145132

    1 Fault Found:
    01176 - Key
    07-10 - Signal too Low - Intermittent

    If the steering wheel module connection is poor the signal will be low won't it?
    #16
  18. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 17, 2010]
    Fair comment - spare key first if you have one.

    I suppose I assumed the codes had been cleared. Moral - Never assume !

    Surely, as a matter of expediency, a new battery would be the next obvious try wouldn't it ?

    Sometimes it's a " wood for trees " problem that can end up too complicated !
    #17
  19. slepy
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    slepy Extremely smart and handsome person. VCDS Map User

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    [Nov 18, 2010]
    Just to let you know guys.
    After changing the battery I have driven the car for a day and there was no issue with immo not working properly.
    I didn't clear errors at that moment.
    It works at the moment. I have cleared errors yesterday.
    To make sure it did work I will wait few days,scan it again and will let you know.
    No point to argue about it.
    #18
  20. mike foster
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    mike foster Fossie VCDS Map User

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    [Nov 18, 2010]
    Cheers mate - hope it continues ok.

    Sounds like from the other comments it was 'pot luck' but also sounds like the battery needed changing anyway !
    #19
  21. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Nov 18, 2010]
    Its all good guys, i was having a **** day.

    Soon be Christmas...LOL
    #20
  22. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Nov 18, 2010]
    Ah so xmas makes all the difference huh :)
    #21
  23. dollytotts
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    dollytotts New Member

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    [Dec 11, 2010]
    yesterday i was a stranded due to a immobilizer fault. same thing the car will not start when the yellow light is flashing but will fire up then die after a couple of seconds, it is a intermittent issue.
    after reading the threads hubby today is going to change the reader coil. God i hope this works as if not he said he's gonna break her 4 spares :(((
    I LOVE MY CAR.
    #22
  24. vagtronics
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    vagtronics New Member

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    [Sep 4, 2012]
    Did you solve it? As the immobiliser can be removed from ecu if all else fails.
    #23
  25. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Sep 4, 2012]
    Yes & leaves the car allot more vulnerable, not advice I would give out tbh.
    #24

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