Flashing Indicators with no siren

[dfsuperb]

I have issue where the indicator lights flash after 30 seconds of locking the car.

The siren doesnt go off.

If I leave for 10 minutes they stop.

 

If I unlock and lock again I get one of these next.

 

1 - They flash again after 30 seconds

2 - The full alarm goes off (rare but at least means the siren is OK)

3 - It works fine

 

I checked with VCDS and these were the errors.

 

01134 - Alarm Horn (H12) 
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 4
                    Fault Frequency: 254
                    Reset counter: 39
                    Mileage: 145657 km
                    Time Indication: 0
                    Date: 2012.12.06 (DONT KNOW WHY THE DATE IS WRONG)
                    Time: 07:19:12

             Freeze Frame:
                        Term 15 On
                    Voltage: 11.55 V
                        ON
                        ON
                        Term 50 Off
                        OFF
                        OFF

01134 - Alarm Horn (H12) 
            002 - Lower Limit Exceeded - Intermittent
             Freeze Frame:
                    Fault Status: 00100010
                    Fault Priority: 4
                    Fault Frequency: 254
                    Reset counter: 74
                    Mileage: 145674 km
                    Time Indication: 0

             Freeze Frame:
                        Term 15 Off
                    Voltage: 12.95 V
                        OFF
                        OFF
                        Term 50 Off
                        OFF
                        OFF

 

If I clear the errors and the flashing starts again these 2 errors appear again.

I have been to 3 skoda garages (paid for 3 diagnostics) but they found nothing. 

The Fault Frequency must be the total number of times its happened.

 

Anyone have any idea what causes these errors. 

 

Im at my wits end on this...

 

Thanks

Edited 31 August, 2018 by dfsuperb

[langers2k]

On a 2009 car if it's the original alarm siren, it's battery has probably failed and you'll need to replace the unit...

[dfsuperb]

thanks @langers2k.

 

Is there a test to see if it is the problem ?

 

Ive seen so many posts with different suggestions.

 

1 - Battery in Siren

2 - Faulty Siren (even though it goes off if i trigger it).

3 - Faulty bonnet or boot lock switch

4 - Fault in door wiring loom

5 - Interior sensors too sensitive

6 - Interior sensors faulty.

 

As I cant start changing them all its getting frustrating.

 

Question - can the alarm be disabled totally and only leave the door lock \ unlock ?

 

 

[langers2k]

It should be possible to remove and disable the alarm although your insurance company might not approve.

 

1 and 2 have the same resolution, replacing the entire alarm siren as the battery is not a separate part. You should be able to get a new one for ~£50.

 

You should be able to check 3 just by using the instrument cluster. A maxidot cluster will show if the boot/bonnet are open and I'd expect a non-maxidot to show the 'open door' warning light.

 

Assuming there are no other errors, I'd be surprised if it was 4, 5 or 6.

[dfsuperb]

Quoted €246 incl VAT at local dealer...

 

Anyone know the part number of the siren with battery...

 

Could see If I could get one from newer superb that would have newer battery..

 

Edited 4 September, 2018 by dfsuperb

[langers2k]

Then don't buy it from a dealer

 

Couple of useful posts:

- https://www.briskoda.net/forums/topic/258160-changing-the-alarm-siren/

- http://skoda-ural.ru/repair/remont-zamena-sireny-shtatnoi-signalizatsii-na-a-m-skoda-octavia-a5-fl

- https://www.aliexpress.com/store/product/Electronic-Alarm-Horn-Siren-For-VW-Jetta-Golf-MK5-MK6-Passat-B6-Tiguan-CC-Octavia-Touareg/3189072_32847233837.html

 

I believe that's the correct alarm unit, a full autoscan might help confirm.

[dfsuperb]

@langers2k thanks for that.

I see there are several models even upto 2016 using this siren so I will try a few breakers to see if they have one.

 

From other post it seems this is where the siren is..

 

It's mounted by a rivet to the underside of the bodywork below the windscreen, near to the left-hand bonnet hinge. You probably won't see it unless you remove the plenum chamber on the LHS. HTH