2004 Volvo XC90 Logo
Posted on Oct 09, 2010
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My 2004 volvo xc90 says alarm system service required. any ideas on how to diagnose or any common problems

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  • Posted on Nov 01, 2010
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I had the same problem on my 04 XC90 - apparently it is a common failure... You need to replace a Siren module.

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  • Posted on May 29, 2013
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I also have a 2004 xc90 and found out that when i use one set of keys where the lithium battery is not fully engaged with the keys,the message comes up...Eaxch time i use the other set of keys, no message shows up...U may want to start by changing your key battery b4 looking into the siren module which will set u back $$$$.....

  • Buckeyecal
    Buckeyecal Oct 11, 2013

    The siren fails when the batteries short out due to water infiltration into the unit which is found under the right front fender and above the wheel. Appears to be yet another design failure of Volvo. This failure will also deactivate the Upper Electronic Module that controls the sun roof.

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  • Posted on Oct 19, 2014
Helena garrett
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I have had nothing but problems had siren module changed by volvo 600 to do that then another450 for alternator now my car says electric service required and my engine light is on I will never own another one they suck

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Related Questions:

0helpful
1answer

Replace volvo xc90 alarm
Madelin,

The main alarm system box is located in the right front fender. To access it you have to remove (drill out) the rivets holding the plastic wheel well cover in place under the fender. It is common for the battery in the alarm to die (and subsequently leak) rendering the alarm inoperative. For that reason it is probably not a good idea to buy a used alarm of the same age. Note, you should be able to buy the replacement rivets in a kit from Volvo.
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May 03, 2014 • 2004 Volvo XC90
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04 volvo xc90 Moonroof will not open. The fuse is good so why will it not open? Also, would this have anything to so with the alarm service notice.
probably the siren module is bad. Moonroof is conected with alarm, and if alarm goes bad, moonroof won-t work. Check out fuses 26 and 28.
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Jun 11, 2011 • 2004 Volvo XC90
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Siren unit tests out bad on the diagnostics test for my 2004 Volvol XC90 alarm system module. Can I just by a bypass unit and install it, or pull a fuse to deactivate it?
you could do both but you might get a code that pops up
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Apr 27, 2011 • 2004 Volvo XC90
1helpful
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I had my alarm system service required how i know that is the siren? also i have service need i all ready did the service how to reset the it?
The person(s) who serviced your alarm should be able to tell you if you have siren or horn type.. We have NO idea what alarm system you have..Volvo has many alarm systems. Ti reset you service light you need an OBII scanner - You can have any good shop or auto parts store do it for you.
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Mar 24, 2011 • 2004 Volvo XC90
0helpful
1answer

What does a message alarm system service required means on my 2004 volvo xc90?
It means that the vehicle diagnostic system has detected a faulty alarm component and must be diagnosed and fixed.

At best it just means that your alarm is partially or wholly non-functional, at worst it could activate at random or even cause the immobiliser to play up.

Unless you have specialist skills and tools then it's not really a DIY fix unless the fault is a really obvious one, like a failed door switch.
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Sep 30, 2010 • 2004 Volvo XC90
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1answer

2004 Volvo XC90 Car alarm started alarming. Does not appear that anyone tampered with the car or tried breaking in. All I had to do was use the key and hit the lock and then unlock buttons. This has...
It appears the siren module is faulty.
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Sep 02, 2010 • 2004 Volvo XC90
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My daughters 2003 XC90 alarm system (horn and flashers) go off intermittently. We never had this problem before. The vehicle is sitting in the driveway and the alarm goes off. No wind, no cats or dogs...
It sounds like a faulty Siren module. It is located behind the passenger wheel cover. You need to use rivet popper to safely remove it.
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Aug 17, 2010 • 2004 Volvo XC90
1helpful
1answer

''Transmission service ugent'' what do I do?
With all due respect, you clearly lack the skills or knowledge to diagnose and fix this yourself or you would not be asking here.

Just do what the message is telling you and get the vehicle to a repair garage promptly, preferably a Volvo main dealer. The longer you delay, the bigger the final repair bill as this won't fix itself.
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May 11, 2010 • 2004 Volvo XC90
0helpful
1answer

Dtc p0345
P0345 IGNITION SYSTEM OR MISSFIRE Several causes can provoke this code, from a bad knock sensor, to a broken injector regulator, better to take it to a certified mechanic to have it diagnosed step by step otherwise you can spend a lot of $$$ changing "probable" broken parts till you find the one causing the yellow light.
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Jan 05, 2009 • 2004 Volvo XC90
0helpful
3answers

2004 xc90 and new transmission at 67K miles??
sorry but this is a very common problem and from now on change that fluid every 30k /we do and we dont have these problems ,that is the cold hard facts even if they told you it didnt need serviced
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Sep 23, 2008 • 2004 Volvo XC90
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