Alarm horn not working

[CrawDaddy825]

So my 2011 Audi A3 TDI alarm horn is not working. VCDS fault says "004- No signal/communication". I've read that the batteries are known to go bad and leak acid on the circuits inside the horn. I am looking to replace/repair the horn, but I am not quite sure where it is on my vehicle. Anyone replaced these before? Where is it located?

 

[LEE69]

Inside the O/S front wing, wheel off arch liner off

 

[e9_mustii]

So my 2011 Audi A3 TDI alarm horn is not working. VCDS fault says "004- No signal/communication". I've read that the batteries are known to go bad and leak acid on the circuits inside the horn. I am looking to replace/repair the horn, but I am not quite sure where it is on my vehicle. Anyone replaced these before? Where is it located?

Driverside behind wheel lining need to remove the wheel and wheel line plastic a security bolt bit to removed it its an absolute b-astard as mime was riveted in had to drill them.out mime leaked acid and short kept sounding my alarm through the night, there about 130 quid from audi

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[CrawDaddy825]

Inside the O/S front wing, wheel off arch liner off

thank you

 

[CrawDaddy825]

Driverside behind wheel lining need to remove the wheel and wheel line plastic a security bolt bit to removed it its an absolute b-astard as mime was riveted in had to drill them.out mime leaked acid and short kept sounding my alarm through the night, there about 130 quid from audi

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thank you

 

[NHN]

It has a metal covering, remember to reshape this so it's a tight fit after fixing the horn or it'll rattle & annoy you.

 

[CrawDaddy825]

It has a metal covering, remember to reshape this so it's a tight fit after fixing the horn or it'll rattle & annoy you.

that's good to know, I am undecided if I want to bother replacing it or not as it doesn't throw a CEL

 

[e9_mustii]

that's good to know, I am undecided if I want to bother replacing it or not as it doesn't throw a CEL

Eventually it may cause the car siren to keep sounding its annoying especially at 3 am when ppl smash you door in saying your car won't stop sounding. Also may affect you siren if anyone does attempt to break into you car it may not sound

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[CrawDaddy825]

Yes mine has not worked at all since I purchased the vehicle. I would like it to but undecided if it is worth the hassle LOL

 

[henkkeumus]

Yes mine has not worked at all since I purchased the vehicle. I would like it to but undecided if it is worth the hassle LOL

Well don't you guys have like MOT in the UK every year that require a funtional horn?

 

[e9_mustii]

Well don't you guys have like MOT in the UK every year that require a funtional horn?

No that horn works its actually the siren that doesnt work

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[CrawDaddy825]

Well don't you guys have like MOT in the UK every year that require a funtional horn?

Yes we do, but this is not the regular horn, this is just the alarm horn. My regular horn works fine.

 

[Qushiniel]

Let's be honest, stock horns sound like a dying walrus. I'm all about a little auditory authority on the road, and while a train horn might be a bit much for suburbia, it's definitely got that "move over, folks, comin' through!" factor.

Instead of going full locomotive, though, have you considered a beefier air horn? They're not quite as earth-shattering, but they'll still get the message across without giving everyone heart attacks. Plus, they come in a variety of tones, so you can find one that fits your personality. Just imagine cruising down the highway with a deep, throaty blast that says "I mean business" without going full steam ahead.

Now, if you're really set on that train horn effect, check out this weird little gadget I found: https://bosshorn.com/products/dewalt-train-horn. It's basically a train horn in a can, and while I can't vouch for legality or practicality, it's definitely one way to make sure everyone knows you're coming!