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  1. #1
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    A4 Cab b6 alarm horn short to ground.

    Hi,

    had the dreaded alarm siren failure by corroded batteries etc. Fitted a new second hand unit today and still hazards flash but no sound. Scanned with vcds lite and get...

    01134 alarm horn h12 29.00 short to ground.

    soon as I clear it then it returns.

    Im not actually sure it's a fault of if the rechargeable cells inside have to charge up first before I will hear any sound. Does anyone know ?

    Many thanks.
    2003 A4 Cab 2.4 V6 Manual / 43k miles genuine woohoo (on a 10 year old car lol) / Ebony Black Metallic / Full Grey Leather / Fully Electric Seats / Heated Seats / Interior Light Pack / Cruise / Wood / Bose Symphony II / Black roof

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  3. #2
    NHN
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    Mine worked straight of the bat, so you sure its not a faulty unit again, definitely new unit as second hand & new in same sentence seems contradictive :P

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

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  4. #3
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    Thanks for the quick reply. It was an ebay job, stated as tested and working but hard to tell. It was listed as for a TT but pared code is identical to the one I removed. I'm wondering if it does need charging up from the car first though.
    2003 A4 Cab 2.4 V6 Manual / 43k miles genuine woohoo (on a 10 year old car lol) / Ebony Black Metallic / Full Grey Leather / Fully Electric Seats / Heated Seats / Interior Light Pack / Cruise / Wood / Bose Symphony II / Black roof

  5. #4
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    Well take it for a little run, that will give it a charge, check your coding is correct aswell for horn warnings, then test.

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  6. #5
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    Roger that. Cheers. Will update later.
    2003 A4 Cab 2.4 V6 Manual / 43k miles genuine woohoo (on a 10 year old car lol) / Ebony Black Metallic / Full Grey Leather / Fully Electric Seats / Heated Seats / Interior Light Pack / Cruise / Wood / Bose Symphony II / Black roof

  7. #6
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    Well it's been on a 40 mile drive, still no sound only flashing lights. When I scan with vcds lite I get the h22 short to ground, if I unplug the siren I get the no communication error as you would expect. I'm wondering if my ebay purchase is a duffer.
    2003 A4 Cab 2.4 V6 Manual / 43k miles genuine woohoo (on a 10 year old car lol) / Ebony Black Metallic / Full Grey Leather / Fully Electric Seats / Heated Seats / Interior Light Pack / Cruise / Wood / Bose Symphony II / Black roof

 

 

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