At times, Audi MMI can malfunction and stop working. The causes of MMI breaking down are varied and include amplifier, modules, or fuses malfunctioning. Knowing how to properly check on them as well as proper replacement is key to keeping our Audi MMI safe from serious problems. My online traffic data on the MMI has not worked for the past few days. I get TMC or TMCPro but never "Online". Audi Connect working fine and definitely a connection to the outside world using the in-car SIM (I tested it with an Alexa device connected to the Wifi hotspot.) Audi A6 C7 2018 Matrix LED Headlight condensation problem Put the SD card containing the firmware in SD1 slot. Using the MMI Control Panel, select " Update .". MMI buttons console. Using the large knob, scroll down and choose the source from the menu (SD1) MMI 3G Software update - select SD1. Pressing the large knob once will select the firmware. A4 allroad (B9 Platform) Discussion - Radio stopped working - Hi My radio on my Audi A4 B9 2017 suddenly stopped working. There was just a hissing sound though bluetooth and media were fine. Switched on and off car and radio didnt solve issue. Then switched on again after about 1 hour was working again. Vibration at 65mph. A6 (C7 Platform) Discussion - MMI Control Knob not working - My Control Know with Joy Stick is not functioning, it is basically not letting me select the item. It does press down as normal, it scrolls through the screen as normal, it navigates with joystick as normal, but the only issue is that I am not able to select Hidden menu must be enabled. Turn key into II position and wait for the MMI 3G system to start. You can also use keyless buttons. Press and hold buttons SETUP and CAR. After couple of seconds hidden green menu will appear. You can now release the buttons. Navigate to diagnose > settings > Tel settings misc. If your software version is below 1070, you must update to 3360 before jumping to 4610 - There are 3 CDs not 2CDs. If you own a newer Audi (2004+), you may have option called MMI (Multi Media Interface) which control all your media player and display on your dash 7″ screen. Some are built-in the dash or flip up like the A8 D3. MMI is on, but no sound. Audi A3 / S3 / RS 3 MKII Discussion forum for the 2015 to 2022 Audi A3, S3 and RS3 - including the upcoming E-tron and TDI models. 08-09-2016, 01:31 PM. Hi Gareth, I appreciate your comments. I can't quite understand how a clutch can have an issue after 14K miles. I bought the car second hand 2 years ago from an approved AUDI dealer with 7.5K on the clock. My A3 model is the 1.4 CoD TFSI. Great car & drives really well apart from this very fr Audi Model:: A6 3.0 TDI V6 sline Le Mans. Audi Year: 2006. Posted May 12, 2018. Try using the phone bluetooth to search for devices. If yoy cannot see the car it means you dont have bt module. On a6 c6 there were 2 options , motorola phone that sits in the armrest with you would put in your sim card or bt module to pair any phone. b3xn.