iPod Touch stopped playing audio but still charges in car
So I have an iPod Touch 2nd Gen. This afternoon my iPod stopped playing audio in my car but kept charging the iPod. I connect through the USB cable to my JVC stereo. I have disconnected and tried again. I have rebooted the iPod. No matter what I do it doesn't reconnect to my stereo. The headphone jack works fine when it's connected to the stereo, when before it wouldn't because the stereo had taken it over.
Any thoughts?
iPod Touch, iOS 4, 2nd Gen