This bulletin contains software update instructions for when the audio is distorted from door speakers or...
Audi technical service bulletin A9120812052251_4 for 2017-2019 Audi A4, 2017-2019 Audi S4 and 2018-2019 Audi A5 and others.
- Bulletin number
- A9120812052251_4
- Component
- Equipment: electrical
- Summary
- This bulletin contains software update instructions for when the audio is distorted from door speakers or subwoofer.
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