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Thread: A8 Bluetooth not working

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  1. A8 Bluetooth not working 
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    Can anyone tell me where the bluetooth module in my A8 is situated (2007 3.0 TDi)?

    The bluetooth used to work fine, but one day when I pressed the phone button it says phone not found. I know it isnt the bluetooth on my phone as I have tested it in other cars with bluetooth and it works fine. No other phone with bluetooth will connect to the A8 either.

    Has anyone else had this problem?

    Thanks
     
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  2. Re: A8 Bluetooth not working 
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    bt control unit has most likely failed
    check accordingly for supply voltage and optical circuit status
     
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  3. Re: A8 Bluetooth not working 
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    thank you, but where is the location?
     
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  4. Re: A8 Bluetooth not working 
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    did you get to the bottom of this. mine has just gone. was working in the morning but at night just says telephone not installed
     
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  5. Re: A8 Bluetooth not working 
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    i havent been able to locate the bt module and my car still says phone not installed, ive been very busy to look into it but must sort it soon as its very annoying as i have to stop the car everytime the phone rings, let me know if you have any joy.
     
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  6. Re: A8 Bluetooth not working 
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    The bluetooth module is located on the lefthand side of the car in front of the front seats. So on a right hand drive car it is located in the passenger footwell towards the outside of the car.
    Once you remove the seat and some trim that goes over the sill you can lift the carpet. You will see a black box, remove the cover and the module is inside. The cabling for the power seats can be a bit of a nuisance so take care with that and you will need a rather large Torx bit to remove the seats. The trim that covers the torx bolts slide forward and back. (They had me scratching my head for a bit. lol)
    Mine has done this a couple of times also but I have just had to go into the bluetooth settings on the phone and connect it again. (not re-pair the phone, just choose connect) Bit strange.
     
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  7. Re: A8 Bluetooth not working 
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    thanks for that information, mine says no phone installed so there is nothing to connect to anymore, im not sure if the module has to be programmed to the car?
     
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  8. #8
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    A new module will need coding. Of you haven't fitted a new one yet then it's not a coding issue. It's likely your BT module has failed (as mentioned above)
     
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  9. Re: A8 Bluetooth not working 
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    Ok, so I was having the same problem. My Bluetooth was working just fine and just like that, it stopped. I kept trying to reconnect to the car but my 2007 A8 Bluetooth was not broadcasting a signal for my phone to pair with. This happened over the weekend, so I figured I would call the dealer Monday morning. So , I drop my son off to school and turn off my car to watch him walk in. I decided to give it a try once more. Keep in mind that the motor was off but the electronics in the car were on, like the radio. Just like that, my phone found my car's Bluetooth signal!
    I would definitely recommend turning the motor off and keeping the radio on when you try to pair your device. Good luck!
     
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