2002 X5 4.6is Air bag light on.

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  1. 2002 X5 4.6is Air bag light on. 
    #1
    Bimmer Fan
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    lockelamorra's Car Details
    Model of Car:
    X5 4.6si
    Year of Manufacture:
    2002
    Transmission Type:
    Automatic
    Car Body Type:
    Estate

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    Would any body happen to know where the main ECU is located for the air bags on the X5.
    The garage has diagnosed that there is a fault in the battery igniter circuit 1 which is open circuit. He believes it could be the main air bag ECU but he can't locate it!
    Iv'e been advised it could be part no 65.77-6962530. If that helps at all.
    Any advise would be most welcome.
     
     

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    #2
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    r3fl3x's Car Details
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    Let me get on the diag machine mate, I'll fire up AutoData and see if I can find out for you.
     
     

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    #3
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    lockelamorra's Car Details
    Model of Car:
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    Thanks it would be a big help as the cars going back into the Garage on Tuesday and the less time trying to find things the cheaper it'll be.
     
     

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    #4
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    Sorry it's taken me so long to get back to you mate, can't seem to find it in AutoData :s

    Best advice I can give is to head over to here and make a post, they'll know for sure.
     
     

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    lockelamorra (01-05-2012)

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    #5
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    dellboy1959's Car Details
    Model of Car:
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    I may be missing something here but are you/they sure it's not the occupancy sensor playing up on the passenger seat ?.
    Just a thought
     
     

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    lockelamorra (01-05-2012)

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    #6
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    lockelamorra's Car Details
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    Hi thanks for that. The original garage I bought the car from said that the light came on when they were cleaning the car, so I'll let the mechanic know as I got a bill for three hours diagnostic time with nothing found.
     
     

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    #7
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    lockelamorra's Car Details
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    Hi, no problem. Thanks I've taken your advise and give them a go.
     
     

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    #8
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    If it turns out to be the sensor and you don't want the expense of replacing it you can get a plug in by-pass that will disable it.
    This won't effect the airbag operation as the sensor is only there to stop the passenger air bag from going off if the seat is unoccupied.
     
     

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    #9
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    lockelamorra's Car Details
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    The garage has possibly tracked it down to the battery SRS Piro fuse playing up as it looks as though the previous owner has had the cable repaired. After fiddling with the loom the light has gone out.
    Two suggestions have been mentioned 1st replace the loom or 2nd it could be the main air bag ECU.
    I've been told that the E46 3 Series airbag ECU is the same, if so where's the best place to get one?
    Cheers.
     
     

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    #10
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    As always,try quarry motors mate
     
     

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