1999 E46 323ci central locking issues

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  1. 1999 E46 323ci central locking issues 
    #1
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    robpeacey's Car Details
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    Hi guys and gals,

    I have an issue with me beemer. when i bought it two months ago all was working well but recently the car will not lock using the key fob buttons, the interior lights illuminate but thats it. this leads me to believe that the key is working fine and the issue is within the car.

    unlike other centeral locking issues posted on here all the locks work using the key in the door, pressing the button on the centre console and unlocking withe the remote.

    Anyone come accross this particular issue?

    I have tried realligning the key with the car (Coding) but to no avail, i cant get the coding sequence to work. I only have the one key also.

    obviously with this issue the alarm is not setting although i can lock the car manually with the car i would like to sort it, it bugs me!

    Any help and / or advice will be greatly appreciated.

    Cheers in advance,

    Rob
     
     

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    #2
    RYM
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    Hi Rob, like suggested in most threads on here have you inspected the wiring that passes from the bootlid into the vehicle?

    The wires inside are prone to breaking and making contact with other wires that can cause all sorts of problems within the electrical system.

     
     

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    #3
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    robpeacey's Car Details
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    Cheers, I shall have a look when i'm next home intime for some light and post results, anyone with any other ideas while i'm at it?
     
     

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    #4
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    robpeacey's Car Details
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    Checked the boot harness, nothing wrong there, looks pristine still, no chafing or rubbing, frayed cables etc.

    Any other ideas, im stummped, all fuses are ok. Could not see an alarm fuse, is it somewhere else other than the main fuse board?

    Regards, Rob
     
     

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    #5
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    robpeacey's Car Details
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    Have taken the glovebox out and checked the gm5 module, all seems fine there, all the resistors click etc then opperating as i suspected as everything works apart from the locking on the key fob.

    Getting frustrated with it now, Has anyone experienced this before?.........................
     
     

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    #6
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    robpeacey's Car Details
    Model of Car:
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    Right, an embarrisingly simple solution to a problem thats symptoms did not point to it....

    Changed the battery in the key, sorted!

    In my defence all the functions on the key worked, just not as desired and the battery was supplying 3V when measured.

    Sorted for £2.99 and a trip to maplins for the battery.

    A tip to all with a similar problem, change the key fob battery........................
     
     

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