Supersedes Technical Service Bulletin Group 91 number 13-85 dated May 29, 2013. The iPod or the USB memory stick is not recognized or the iPod is not charged when either unit is connected to the Audi music interface (AMI). MMI3G or a Symphony/Concert CAN radio system with separate AMI control unit in the glove box or armrest. MMI3G+ with integrated AMI in the MMI main unit.
