Friday, July 20, 2012

Volvo car alarm keeps going off for no reason

Alarm Going off for no reason on on 2002 Volvo S60.

What can cause this problem?

There are N-number of possibilities.If your alarm is going off for seemingly no reason.Then usually that problem is the siren itself that fails, or the mass movement sensor can do it as well.

Whatever triggers your alarm (be it any sensors on the vehicle, mass movement, siren, door, etc.) are stored in the UEM. (Upper Electronic Module). The module stores this information and it can be read out on Volvo's VIDA system. So once you retrieve the error code stored in UEM it will be very easy to pinpoint the cause of problem.Without reading off the codes and what triggers the alarm, It's really impossible to know for sure what sets it off. However, the siren itself is a common failure. You will need to have the codes read off and that will pinpoint what component has failed and causing the problem.

These details will help.

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