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Silent Alarm

Discussion in 'A4/S4 forum(B5 Chassis)' started by gaz71, Sep 11, 2010.

  1. gaz71
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    gaz71 1.8T Quattro Sport AJL

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    [Sep 11, 2010]
    I've just noticed a sight issue with my alarm.

    I triggered the alarm while messing with the car but only the indicators are flashing, there is no audible warning.

    Has anyone got any ideas what would be causing this :confused:

    I didn't see any codes the last time I scanned with VagCom but will recheck for fresh codes.
    #1
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  3. evilscotsman
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    evilscotsman Space Cowboy

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    [Sep 11, 2010]
    im sure its to do with the settings in vag com mate, I know some other cars can have the beep disabled depending on which country code you chose for the settings, alfa beep unless you set it to australia, which is done by pressing the bonnet pin-switch 3 times then holding it till it beeps, then each press after that selects a diff country.....dunno if thats much help but check vag com anyway for codings in the immob and alarm. Audi beeps will probably be in the coding in the module, accessible from vag com.
    #2
  4. olds_kool
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    olds_kool Active Member VCDS Map User

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    [Sep 11, 2010]
    most likely knackered siren, very common fault
    facelift use a battery back up type and the batteries eventually leak which wrecks the rest of circuit board

    bargain at £80 from audi !!!!

    i got a used replacement from a later model from A8 parts, slightly different design but works perfectly, pretty sure it had the same part number but with an 'A' suffix
    #3
  5. jcb
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    jcb Active Member VCDS Map User

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    [Sep 11, 2010]
    you can have mine, I took it out when the battery died and it started going off at 3am.
    #4
  6. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Sep 11, 2010]
    I am sure Aragorn has recently fitted one of these upgraded units. Aquired it from Ebay.DE IIRC
    #5
  7. gaz71
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    gaz71 1.8T Quattro Sport AJL

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    [Sep 11, 2010]
    That would be great :thumbsup:

    PM sent
    #6
  8. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Sep 12, 2010]
    #7
  9. gaz71
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    gaz71 1.8T Quattro Sport AJL

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    [Sep 12, 2010]
    Silly question but where is the alarm module located on the B5?
    #8
  10. olds_kool
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    olds_kool Active Member VCDS Map User

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    [Sep 12, 2010]
    below c/l pump, offside boot compartment

    try a8 parts first, only cost £25 plus postage

    wouldnt bother with an a4 one as they arent designed to last 10 years plus
    #9
  11. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Sep 12, 2010]
    B6/7/8 all use the same part (well the revised "A" part anyway) as do most other Audi/VW cars so you can get it from anything new.
    #10
  12. wayne77
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    wayne77 Member

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    [Sep 14, 2010]
    aragorn is there any modification needed to fit one of these newer units as mine is also silent on my 99 s4 avant, or is it just a straight plug in jobby

    cheers
    #11
  13. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Sep 14, 2010]
    you need to swap the bracket over, but that doesnt really count as a mod as its just a single bolt :p
    #12
  14. wayne77
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    wayne77 Member

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    [Sep 15, 2010]
    cheers mate thank you
    #13
  15. gaz71
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    gaz71 1.8T Quattro Sport AJL

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    [Sep 30, 2010]
    Hi have you got the part number for the siren?
    #14
  16. olds_kool
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    olds_kool Active Member VCDS Map User

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    [Sep 30, 2010]
    same as old one but 'A' on the end
    #15
  17. kressy
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    kressy New Member

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    [Oct 10, 2010]
    Hi Im havin the same issue and have purchased a new siren .... Could someone please let me know (or with any images) the exact location on an a4 cab (2003 model) some sites ive seen have said left side rear and some right. I wanna replace it myself but just need to know where to start to get the old one out ! very much appreciated.. cheers
    #16

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