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06 Oct 2013
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TOPIC: Question My XC-70 says alarm system needs service. Car requires key to unlock

My XC-70 says alarm system needs service. Car requires key to unlock 4 years 2 months ago #829

  • Happysap
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What does this mean, has anyone had this? $$?

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Re: My XC-70 says alarm system needs service. Car requires key to unlock 4 years 2 months ago #830

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Happysap wrote: What does this mean, has anyone had this? $$?


Welcome to the Forum, Mary Jo.

The message is usually caused by a failed alarm siren module. The non-response to the fobs (and no-work sunroof) should be remedied by the new module. Be sure the fobs have fresh batteries.

Although the new module can be installed by the owner without needing the Volvo maintenance software interface it may be a good idea to allow a Volvo dealer to do the repair.

Please let us know how this goes.

Thanks.

George Dill

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Re: My XC-70 says alarm system needs service. Car requires key to unlock 4 years 2 months ago #831

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Thank you for the information. Coincidentally, my sunroof didnt open a while back, I haven't tried it since, didn't want to be stuck in the rain. I'm trying a non-dealer for service. But I'll use the dealer for this one. Thanks again.

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Re: My XC-70 says alarm system needs service. Car requires key to unlock 2 years 3 weeks ago #2085

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Just picked up a 2005 XC70 and got the same message. The module was replaced with another serviceable unit, but not new, and I still get the message.

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