Dodgy alarm

T

T2FFN

Senior member
 East Yorkshire
My alarm goes off a lot, like a LOT!

How do I work out whats causing it? Bonnet sensor seems most likely, but how do I check? It happens when cold, windy and normal weather! :headbang:

Thanks
 
bonnet sensor is only like £8 pounds and is doddle to change yourself. worth a shot?

Mine was doing the same, dropped in a new bonnet sensor and problem solved.

Locking the car with the key in the door doesnt activate the alarm which is a good temporary solution until you get it fixed :thumbsup:
 
Yeah, was thinking most likely bonnet, but wonder why it happens when it does, so I can isolate it.

If i unplug the sensor, will it still allow the alarm to activate without setting it off?
 
I could not pin down any set of circumstances which set it off... just started intermittently and got worse - to the point where the neighbours said to me 'do you know your alarm has been going off all day' by which point Id already ordered a new sensor to try.

no idea if unplugging the sensor would work - my guess would be no 'cos it would leave an open circuit but just a guess - someone more knowledgeable will be along in a mo...
 
I think the 3am wake up calls will start to annoy my neighbours soon :lol: :lol:
 
mine was the same, £8 from dealer and all has been good since..doddle to swap. even for me.
 
my alarm has been going off a hell of alot recently. im guessing it is the bonnet sensor. is that the bit between the firewall struts that pushes down when the bonnet is closed?
 
Rudd_2002 said:
my alarm has been going off a hell of alot recently. im guessing it is the bonnet sensor. is that the bit between the firewall struts that pushes down when the bonnet is closed?
Click to expand...

yup - takes 5 minutes to replace and silence restored :D
 
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