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Old 07-25-2005, 08:40 AM
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Join Date: Jul 2005
Posts: 1
Default V40 Alarm

hi there, i have a 1998 volvo v40 1.9se - last night at 4.am the alarm went off for no reason, i reset it and it went off again, so i left the car unlocked and it locked itself few mins later and again alarm went off, so i used the key to lock the car and all was well. is there any kind of problems or faults that can occur with the alaram system? thanks. martin
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Old 07-25-2005, 09:48 PM
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Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,350
Default RE: V40 Alarm

The door lock will go bad and cause the problem you have.
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Old 10-05-2007, 02:45 PM
Join Date: Oct 2007
Posts: 10
Default RE: V40 Alarm

I found it was the sensor under bonnet..I just lock with key now no hassle
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Old 11-07-2007, 10:30 PM
Join Date: Oct 2007
Posts: 235
Default RE: V40 Alarm

alarm backup battery on siren may at it's end of life.. s40 I don't think u can read out alarm cause. P1 and P2 chassis is the one that I know u can read out alarm cause. hope that helps
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