EricNCSU1204. Glad I'm not the only one! did the MMI reset and it works now. Q7 MKII Discussion - MMI volume control knob not working - For whatever reason, on the way home tonight, the small round volume control knob by the shifter quit working. I've turned the car on and off several times and still nothing. A6 (C7 Platform) Discussion - MMI Control Panel Replacement - I incurred some damage to my MMI control panel so I had to replace it. Discussion Discussion forum for the C7 Audi A6 produced from 2011 - 2017 MMI Control Panel Replacement I cycled the brake on/off couple of times and system realized it all was working and E-Brake failure Based on the information you have provided this sounds like the common issue with the MMI software itself. Audi has recognized a software concern that creates the blank screen either all of the time or intermittently. The correction is to allow an Audi dealer to update the software for the MMI system to resolve this issue. To remove the MMI control from the console, you will need to remove the cup holder after following the steps above. There are two screws for the cup holder and 4 screws holding the MMI controller. Once those 6 screws are removed, then you may go ahead and pop off two console pieces separately. So I get in to go to work this morning and my radio is "linking", not a problem it has done this before. Once it came on I wanted to turn the volume up and it reads "currently unavailable"! The glitch is in MMI and Audi just chooses to ignore our complaints. This happens in no other platform/head unit except our MMI. 2017 Q5 3.0T S-Line The system gets stuck on the initializing screen (s) [initializing across the phone, media and navigation tabs; with a black back-lit MMI screen] maybe once or twice a week. It might be that the MMI goes into a 'deep sleep' and it has problems coming out of that when there is interference from a 5G signal. Boston, MA. My Photo Gallery: 0. I had this same exact issue when i bought an MMI off ebay. Turns out it was a corrupted HDD and the unit would not boot into QNX (our MMI systems utilize QNX RTOS). There is a chance that the battery swap may have done the same (worst case scenario). Just my $0.02. 02-09-2016 08:24 AM #4. Audi MMI screen will go black for few seconds and system will reboot. 11-09-2017 07:26 Volume controls still work listening to radio, just not Sirius. Odd. Current: 2013 Porsche Cayenne Diesel and 1995 Porsche 911 C4 18 years and 300,000 miles behind the wheel of an Audi 2022 A6 55 3.0 Prestige with Luxury Package and Black Optic Sport > Model Year 2019 (MIB2+ MMI) A6, A7, A8, Q8, e-tron SUV Audi MMI Smartphone Interface Customer FAQ Q: Sometimes after I start my vehicle, I cannot start Wireless Apple CarPlay. different Wi-Fi hotspot (home or work network). Wireless Apple CarPlay sessions operate over Wi-Fi, A6 / S6 (C6 Platform) Discussion - 2007 Audi a6 MMI not working after dead battery - Hello so my father went on vacation for a couple of months and his a6 been sitting so I decided to start it up and the battery was dead and the key got stuck in the ignition. I got him a new battery and when i connected it I got the HpvH6.