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MMI - No Sound

27K views 11 replies 8 participants last post by  steve1147  
#1 ·
Anyone had this?

The radio keeps cutting out (no sound) for about 30 seconds or so - I thought it was a transmitter fault, but today I switched stations, swapped to iPod (which I could see had a track running) and then made a Bluetooth phone call (could see connecting-switch to connected) all without sound. Then the person I called suddenly came through loud and clear and all was back to normal.

There is no interference, crackling etc - just the sound stops (no background hiss) then comes back cleanly?

Surely this isn't a loose connection, must be a software issue?

I am reluctant to take it to the stealers just yet, as the car will undoubtedly come back with a rattly dash and some gouges in the interior trim !

Anyone else had this and if so, what was the problem/cure?
 
Discussion starter · #2 ·
Sorry to bump this - but it happened again today. I think it is related to very cold weather?

Am I the only one to have had this? It seems really strange, as I would either expect interference/crackling OR experience a total failure?

It is one of those things that you can't send it in for, as it most definately won't replicate when they test it !
 
Discussion starter · #6 ·
Thanks for the replies - now I know it isn't unique to my car, I will be onto Audi tomorrow.
 
Discussion starter · #8 ·
Unfortunately not mate - the unit has decided to completely give up the ghost on delivering any sound output at all now.

Everything works (iPOD scrolls through tracks, radio changes channels, CD runs and Bluetooth link makes calls - the receiver can hear me), but I get nothing at all, regardless of pushing/twiddling all the available sound knobs (dash and wheel).

I will be surprised to find that a software update is the answer - I must have a faulty system - maybe the B&O amp?

I will update once it is fixed.
 
Discussion starter · #9 ·
OK - it is a failed Sound Output ECU - got to wait for a new one to be delivered.

So probably not a common fault, just a dodgy unit in my car?