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02 V70 Alarm Problem V70-XC70

posted by  JimLev on  Mon Aug 8 09:33 CST 2011
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last visit: Mon Aug 22 19:15 CST 2011
[RELATED]

A while ago I had a problem with the alarm going off all the time and the RR passenger door not locking or not unlocking all the time.

I replaced the door lock assy and all was fine for a few months.

The door locks still work fine but I keep getting a message that the Alarm System needs service. I can also smell a faint odor of burnt resistors or other electronic parts. The siren no longer works, all fuses are good.

Can someone tell me where the siren and the alarm module is located in this car?

Up until this point the V70 has been fine (128K miles), just tires, brakes, timing belt, and O2 sensor.
Same for my wife's '01 S60.

Thanks,
Jim L







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    02 V70 Alarm Problem V70-XC70

    posted by  KlausC on  Mon Aug 8 19:15 CST 2011
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    last visit: Fri Oct 24 10:15 CST 2014
    [RELATED]

    Darn! I hate it when that happens. I believe your alarm module has been moved to the right front fender, between the inner and outer fender. The lithium battery fails, dribbles acid all over the printed circuit, and shorts itself out.

    Your best bet is to go to a dealer and ask them to read the codes. The module is about $175-250, the labor is ---hard to get to--- worth having someone else do the job~!!

    Klaus
    --
    1967 220 belonging to C.A. lives on








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      02 V70 Alarm Problem V70-XC70

      posted by  JimLev on  Mon Aug 8 20:07 CST 2011
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      last visit: Mon Aug 22 19:15 CST 2011
      [RELATED]

      Thanks Klaus, do you know if it needs to be programmed or can a new/used one just be put in and everything will start working?
      It can't be any harder than changing the cam belt and pulleys can it?







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        02 V70 Alarm Problem V70-XC70

        posted by  KlausC on  Mon Aug 8 21:56 CST 2011
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        last visit: Fri Oct 24 10:15 CST 2014
        [RELATED]

        Yes it can be harder than the cam belt. Just not as messy if you goof. The car will not start without the module, as far as I know.

        It is costly enough to get the codes read and make sure that the module is toast. The burning wire smell is not a good sign.

        Does the car need to be programmed? I am a real dummy tonight and cannot answer that question. Hopefully not.

        Klaus
        --
        1967 220 belonging to C.A. lives on








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          02 V70 Alarm Problem V70-XC70

          posted by  JimLev on  Mon Aug 22 13:23 CST 2011
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          last visit: Mon Aug 22 19:15 CST 2011
          [RELATED]

          Klaus, thanks for the help, the alarm module was very easy to get out. The car will start without it and programming isn't required.
          I sawed mine open to find the internal battery had leaked acid on the circuit board that is below the battery.....nice (NOT) design. Why didn't they have the battery on the bottom? If it had leaked the circuit board wouldn't have been eaten up with acid.
          Volvo want's $260 for one, I did find (google) that some GM cars use the same module, however when I called the Chevy dealers they were all on backorder, cost was ~$90 but I didn't want to wait for a month.
          I got a used one for $85 from Erie Volvo in NY, 315-736-8215 or 888-441-3743.
          It had a date code on it from 2005 so it should last for another 5 years before this battery leaks.


          I took a few pics but I'm not really sure how to post them.
          Here's a link to the first one, hope it works.
          http://www.brickboard.com/GALLERY/images/10037.jpg







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            02 V70 Alarm Problem V70-XC70

            posted by  KlausC on  Mon Aug 22 15:35 CST 2011
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            last visit: Fri Oct 24 10:15 CST 2014
            [RELATED]

            Good news all around: the car still runs and a new one doesn't require programming!

            How difficult was it to get the inner fender out of the way AND why is your rotor so rusty?

            Klaus
            --
            1967 220 belonging to C.A. lives on







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