Question about 2000 Volvo S40

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Immobilizer Car wont start, appears to be immobilizer as when key is put in and turned nothing happens and immobilizer light indicates that the immobilizer is still active

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  • Anonymous Mar 15, 2014

    car won't start, immobilizer light on

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2 Answers

Mr BrokRench

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If there is a blinking car icon with an "X" over it. This icon means the Immobilizer has been activated and hence won't allow the car to start. It could be due to a bad SCU, Start Control Unit. The SCU is actually the ignition switch on these cars.
Most of the time it's triggered by the anti-theft system..You can try this trick i learned that the dealers won't tell you...try locking and unlocking of the doors five times with the remote to reset the immobilizer and see if this helps.
Good luck..i hope this helps...please take a minute to rate me a fixya.

Posted on Jul 15, 2009

  • beth Nov 29, 2012

    I tried this for my husbands 2008 volvo. Because he is having the exact same issue. His car is now sitting in the driveway with the headlights on, it won't lock now either.

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Try another key, sometimes the key immobilizer chip gets flaky. If that is not it, then the next probable cause is the antenna ring surrounding the key hole.

Posted on May 13, 2009

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    tdisline_775.jpg

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