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I've got a 2004 RS4 avant and it came with the standard non- flat bottom multi function sterring wheel, however I've just fitted a newer flat bottom multi function steering wheel but I now the horn doesn't work and none of the other functions on the wheel. Any suggestion what I need to do to sort the problem?

Thanks
Dave

You may need VCDS to get it working.

DDalgarn wrote:I've got a 2004 RS4 avant and it came with the standard non- flat bottom multi function sterring wheel, however I've just fitted a newer flat bottom multi function steering wheel but I now the horn doesn't work and none of the other functions on the wheel. Any suggestion what I need to do to sort the problem?

Thanks
Dave

What year is your car?

I did this retrofit on my 2007 car, round MFSW to TTRS FBMFSW. I had an issue with the wiring loom, the new airbag (different part #) had two ground wire terminals as opposed to the old one (round wheel) having one wire terminal. I ordered a new wiring loom from HazzyDayz and it solved the problem. Does this sound similar to your problem?

It sounds at though its the same problem, I've dropped Hazzy Dayz and email to see what they can do. Thanks:)

as said above you need it coding to the new wheel.