Owen03 Posted December 6, 2016 Share Posted December 6, 2016 Can any help! i own a 2012 a6 C7 se and have done a full sline black edition conversion, I changed the steering wheel for a flat bottom out of an a4 or 5 everything works all the steering wheel controls apart from the horn. the horn shows as operating on snap on diagnostic when pressed but no sound, and the horn works only special function test on snap on! Any ideas? Quote Link to comment Share on other sites More sharing options...
Trevor Posted December 7, 2016 Share Posted December 7, 2016 Hi Mike...welcome to the Forum That's an odd one! Maybe the communication system is not correctly set up for the new wheel or if the slip ring is slightly different? Apart from that, it can't be much else. Have you tried measuring the voltage at the horn when activated from the wheel? Let us know what you find Cheers Trevor Quote Link to comment Share on other sites More sharing options...
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