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Kevin, Technician
Category: Audi
Satisfied Customers: 2016
Experience:  Diagnostic technician vw/ audi specialist
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I installed a new Battery. Had the Vehicle re coded at the

Customer Question

I installed a new Battery. Had the Vehicle re coded at the dealer. Now my MMI system don't work. When you switch the ON/Off button on the MMI screen switches on briefly then goes off. All MMI functions do not work.
Submitted: 1 year ago.
Category: Audi
Expert:  Kevin replied 1 year ago.

Hi I'm Kevin it sounds like either battery wasn't coded correctly or battery is bad and has shut down convinience systems mini being the first . The car needs to be plugged in to confirm this . Where did battery come from and what brand was it ?