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MMI Screen Freezing and Bluetooth Disconnects on 2020 Q3 S Line

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Mike T. · rep 0 · May 26, 3:46 AM · 1 replies · solved · Question

Vehicle: 2020 Audi Q3 S Line

Hi Q3 community,

I'm having persistent issues with the MMI system in my 2020 Audi Q3 S Line. The screen frequently freezes, becoming completely unresponsive to touch input. This happens randomly, sometimes while navigating, sometimes just listening to music.

In addition to the freezing, my Bluetooth connection keeps dropping. My phone will disconnect mid-call or during music playback, and then struggle to reconnect. It's incredibly frustrating, especially on longer drives.

I've tried restarting the car, but the problem always comes back. Is this a known software bug for the 2020 models, or could it be something else? Any tips on how to fix this?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 26, 3:46 AM

0

ClearTheCode admin answer:

MMI freezing and Bluetooth disconnects are common complaints across various Audi models, including the 2020 Q3. Here's a breakdown of potential causes and solutions:

  1. Perform a Hard Reset: The first and easiest step is to perform a hard reset of the MMI system. This is usually done by holding down a combination of buttons (often the MMI control knob, top right button, and navigation button, or similar for your specific MMI version). Consult your owner's manual for the exact procedure for your 2020 Q3. This can often clear temporary software glitches.

  2. Check for Software Updates: Audi frequently releases software updates for their MMI systems to address bugs and improve performance. Visit your dealership or an Audi specialist to inquire if there are any pending software updates for your specific MMI version. This is a common fix for persistent freezing and connectivity issues.

  3. Inspect Fuses: A blown or loose fuse related to the MMI or infotainment system can cause intermittent issues. Check the fuse box diagram (usually in your owner's manual or on the fuse box cover) and inspect the relevant fuses. Replace any that are blown.

  4. Phone Compatibility/Updates: Ensure your phone's operating system is up to date. Sometimes, incompatibility with older phone software can cause Bluetooth issues. Try connecting a different phone to see if the problem persists.

When to See a Shop:

If the hard reset and software updates don't resolve the issue, it could indicate a deeper problem with the MMI control unit itself or related hardware. A dealership or an Audi specialist can perform a deeper diagnostic scan of the infotainment system, which might reveal internal fault codes (e.g., B2000 series for control module faults) that aren't visible to the user. They can determine if a component replacement is necessary.

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