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car alarm problem

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  • 29-08-2005 12:42pm
    #1
    dathi1
    Registered Users Posts: 1,695 ✭✭✭


    Just got a commercial van with a scorpion alarm. I changed the battery in the key fob unit and now have no control or communication with the alarm..........any ideas?


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    #2
    Seth Brundle
    Moderators, Politics Moderators Posts: 39,738 Mod ✭✭✭✭Seth Brundle


    Presumably the key needs to be re-coded to match the ECU. Is there anything in your owners manual?
    What kind of van?


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    #3
    dathi1
    Registered Users Posts: 1,695 ✭✭✭dathi1


    Nissan vannete....I'd say the alarm is an add on so it does'nt feature in the manual. Looks like a job for a car alarm company. They'll probably say...eh..ye need to install a new one or to reflash ill cost ye 150euro!


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    #4
    JohnCleary
    Registered Users Posts: 10,210 ✭✭✭✭JohnCleary


    It just needs to be re-synched.
    Press all of the buttons about 5 - 10 times, that should do it.

    Ie, if there are 2 buttons, A and B, press A 10 times, then press B 10 times


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    #5
    dathi1
    Registered Users Posts: 1,695 ✭✭✭dathi1


    excellent! thanks I'll try that.


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    #6
    bazz26
    Registered Users Posts: 51,240 ✭✭✭✭bazz26


    Is it a Cobra alarm by any chance?

    Similar thing happened me a couple of weeks ago. Changed the battery and the fob stopped working. Had to press both buttons at the same time for around 2 mins next to the alarm led on the windscreen or wherever it is located. The little led on the fob then stayed on for about 30 seconds, then flashed a couple of times. This resets the fob infra red signal with the alarm, it worked again after that. Might take a couple of attempts for this to work though.


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    #7
    dathi1
    Registered Users Posts: 1,695 ✭✭✭dathi1


    Is it a Cobra alarm by any chance?
    No scorpion but I'll try that too if the above fails.


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    #8
    JohnCleary
    Registered Users Posts: 10,210 ✭✭✭✭JohnCleary


    Its different with different alarms, but dont panic re-synching only involves the pressing of buttons on the fob..


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    #9
    dathi1
    Registered Users Posts: 1,695 ✭✭✭dathi1


    Holding the two buttons on the key fob gave me a constant led light on the fob after 30 seconds. The led then went off. Alarm and central locking system now working perfect. Thanks! :)


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    #10
    JohnCleary
    Registered Users Posts: 10,210 ✭✭✭✭JohnCleary


    Glas one of us could be of assistance


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