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2008 vw beetle alarm keeps going off for no reason. Some are saying it's related to door sensor. Please elaborate?

Goes off at random times. Seeing references to door latch but trying to get more information on what exactly to do or request a mechanic to look into. Thanks

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Larry Ng

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  • Cars & Trucks Master
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Factory alarm or after market add on, we can;'t see it
all alarms are just tiny CPU in a box programmed to be and alarm and as such any inputs failing causes and alarm.
doors. ajar switches. even hood,. hatches and trucks.
tampering,
shake switches ( I hate them)<< so do all neighbors.
some have sonic glass breakage sensors.
most cars (for sure this year) the factory alarm can seen as
DTC errors and be seen via the OBD2 port USA./ scan tool.
scan it or get the car serviced..
my car even shows the alarm cause in the CLuster display.

it went off For a reason, that is a fact
most alarms have a way to see logged errors.
if not I defeat the alarm, nobody ever listens to them or even LOOKs. ( everyone is sick of them)<< noise pollution.
good luck
PS read the service manual on the car, chapter ALARM
it has things to do , so read it.

Posted on Jan 25, 2023

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