My car is about a month ago and already the iPod function works sporadically in my Head Unit.
I don't think it is the cable because the unit recognizes the iPod but there is no audio.

Sometimes audio comes in and out or distorted.

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Go to the dealer. If that doesn't work, hit up Scion corporate.

 

have you tried resetting your ipod???? that worked for me

 

I have tried multiple ipods and still nothing.

 

yep, dealer.... someone else posted they had problems with their radio too, other problems, but had to have it replaced