All Things MK6 R and GTI > MK6 General Area

Alarm false triggering

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gttdigoof:
My alarm has tiggered for no reason about 4 times in the time I've owned it (nearly a year)

It usually happens at night and the first time it was outside so I assumed someone had tried to nick it.

Since then the car is in the garage overnight but the alarm has still triggered falsely.


The strange thing is, it doesn't reset itself properly, it will sound the siren for a while then stop for 2-3 seconds then start the siren again until it is reset with the key fob.

Now if I set the alarm the LED on the door flashes 7 times, is that a code for something ?

skard:
If you can VCDS it, there is a measuring block to tell you what the last four activations were.

Talking from experience of changing the siren a few times on my mk5's, the problem is usually...

Siren itself is failing (internal battery has died or burst).
The battery is packing in.
Faulty ultrasonic sensor inside the car.
Less likely is a fault in the CCM or BCM in later cars, or wiring problem.

Is your car parked in such a way that someone going passed can create a bit of turbulence to rock the parked car? Happened once or twice to my Tiguan when boxed in next to walls, and it is windy.

gttdigoof:
Thanks Skard,

I had checked for faults with VCDS and not got any so I'll check for the activations.

skard:
Is your car a mk6?

If so, it'll be measuring blocks in 09. If
Mk5 then in 46.

gttdigoof:
Yes Skard, mk6, thanks gonna check it tomorrow

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