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It can be any of the car door not got properly locked or the door is locked but the switch is not sensing the door locked.Open and close each door again properly. Or else its problem with any of switch wiring getting in contact with alarm wiring causing it to happen.And last thing alarm connections needs to be inspected.Its getting short somewhere in between.
disable the hood microswitch. just unplug it. That and the cabin sensor are the most probably reasons the alarm will go off.
Alarms are useless. Totally effin useless. So it goes off.....then whaddya going to do. Shoot someone? Call the police? or listen to it drain the battery over and over again.
But....you can't disable the alarm totally. The bmw engineers have tied it into the main computer. you can however disable the sensors one by one so it doesn't set off the alarm. Hood sensor....Hood sensor....that's the culprit.
Hi,
You need to replace the alarm siren. It is also a module. It is located in the right front fender well. The reason they go bad is because they are located in a place where they get wet.
the factory fit alarm is not voltage sensing .The best advice is to go to VW garage and get them to read the alarm causes,(they can check the last 4).this will give you a good idea where the fault lies.ie door lock mechanism,interior monitor etc..You cannot start looking for problem until you know alarm cause..
When a battery starts to go bad it will set the alarm off constantly. Check the date on your battery and if it's between 3 and 4 years old most likely this is the cause. I had it happen before.
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