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Thread: Central locking, wont work of key fob

  
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    Central locking, wont work of key fob

    Hi, ive a mk4 astra van, when i bought it a few weeks ago the remote central locking wasnt working (works fine when you use the key in the door lock) So ipresumed the battery in the key was flat.

    Replaced the battery, and stil nothing. Have checked the fuses in the fuse box, any more ideas?
    Gary

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    is the battery holder tight or is it loose????

    needs to be tight, may require a bit of paper in there and then a re sync, make sure the light on the fob is lighting up mind

    if not if could be new fob time
    ASTRA 'J' 330 SRI CDTI RST

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    Have a look at my post further*down

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    sometimes these fobs need to be reset and if memory serves me right you put the key in ignition to position 2 wait about 30 seconds and push one of hte buttons until i think all the doors lock and then it should be fine. thats what happened to mine when i changed the battery as it stopped working, until i did it.

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    Quote Originally Posted by Beds_astra View Post
    sometimes these fobs need to be reset and if memory serves me right you put the key in ignition to position 2 wait about 30 seconds and push one of hte buttons until i think all the doors lock and then it should be fine. thats what happened to mine when i changed the battery as it stopped working, until i did it.
    Checked the key, and the led isnt lighting up, battery is securely in place...

    Simon s - just checked that out, but dont think it will help as my key fob isnt emitting a signal


    Whats the cheapest way to go about getting a key?? I see theres blanks for sale on ebay for around £20 (inc transponder chip) Can any key cutting place cut these? And how much do vaux charge to program it?

    Seem to remember my sisters replacement key for ker corsa be being around £60, and that wasnt even remote central locking
    Gary

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    anybody got any ideas?
    Gary

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    Check where the battery holder is soldered to the circuit board, these remotes suffer from poor solder joints at these points.
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
    Install progress (----------)

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    Quote Originally Posted by SQ Man View Post
    Check where the battery holder is soldered to the circuit board, these remotes suffer from poor solder joints at these points.
    Would this be fixable? (i can solder, but think the size of the mentioned joints is beyond my soldering iron's capabilities, its a bit big, lol)

    And any local place that does electronic repairs is with computers
    Gary

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    Maplin do a 15W miniature soldering iron for £17.99
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
    Install progress (----------)

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    Put key in ignition and turn on so as the dash lights are on. Then press open and close on the fob untill the locking starts to work. Job done. Because you have the red light on the fob it sounds like the key is fine and just needs to be re paired.

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