2018 Q5 MMI Freezing and Restarting Constantly

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Amanda S. · rep 0 · May 22, 4:28 AM · 1 replies · solved · Question

Hey everyone, I'm having a really frustrating issue with the MMI system in my 2018 Audi Q5 Premium Plus. Lately, it's been freezing up completely, sometimes for a few seconds, sometimes for a minute or two. Then it often just restarts itself, or the screen goes totally blank and I have to manually restart it by holding down the volume knob. It's making navigation and music impossible to use reliably. Has anyone else experienced this with their Q5? Any quick fixes I can try before heading to the dealer?

✓ Accepted solution

ClearTheCode Admin

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ClearTheCode guidance (Audi · Electrical & electronics)

Summary: For 2018 Q5 MMI Freezing and Restarting Constantly, work through these steps on your 2016+ vehicle:

  1. Confirm the symptom — note when it happens (cold start, highway, after fuel fill, etc.).
  2. Scan codes — save all pending/stored DTCs; don't clear until you've recorded them.
  3. Check TSBs & recalls — look up your VIN for open campaigns and known fixes.
  4. Inspect the obvious — related fuses, connectors, fluid level, and recent repairs.
  5. Test the common fix — follow model-specific service procedures; one change at a time.
  6. Escalate if needed — burning smell, no brakes, overheating, or stalling in traffic → shop visit.

Owner reported: Hey everyone, I'm having a really frustrating issue with the MMI system in my 2018 Audi Q5 Premium Plus. Lately, it's been freezing up completely, sometimes for a few seconds, sometimes for a minute or two. Then it often just restarts itself, or the screen goes totally blank and I have to manually restart it by holding down the volume knob. It's making navigation and music impossible to use reliab…

This is educational guidance, not a substitute for hands-on diagnosis.