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Radio displays Phone

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Old 12-05-2006, 02:08 PM
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Default Radio displays Phone

Hi, I have an 01 A4 and all of the sudden the radio displays phone. I don't have a phone hooked up to it and the radio does not work. Please help.
Old 12-05-2006, 05:18 PM
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Default You put a ground to the phone mute pin on the back of the radio, or have a short to that. Look for a

pin diagram for the radio and disconnect the wire to that pin.
Old 12-06-2006, 05:05 AM
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Default Re: You put a ground to the phone mute pin on the back of the radio, or have a short to that. Look f

Thanks for the advice. I have not done anything with the radio whatsoever. Not sure how that could happen.
Old 12-06-2006, 09:37 AM
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Default If could be a short in the wiring somewhere. If you just disconnect that wire on the back...

of the radio you can then rule out the radio being defective. Do you have the jack in the arm rest for phone hookup? I don't have the wiring diagram, but it could be possible that that is shorted, or something stuck in there. Start with the back of the radio before you spend a whole lot of time looking.
Old 12-12-2006, 07:54 AM
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Default Re: If could be a short in the wiring somewhere. If you just disconnect that wire on the back...

One interesting thing that is happening with my radio is, when the key is on the first position (on), the radio works, when I turn the key to the next position (acc), the radio cuts out and displays phone.
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