The head-up display will not power on or does not work
Audi technical service bulletin A901557 2042121- for 2014-2016 Audi A6, 2014-2016 Audi A8 and 2014-2016 Audi A7.
- Bulletin number
- A901557 2042121-
- Component
- Electrical system: software
- Summary
- The head-up display will not power on or does not work. After the next bus silence (for example, waiting five minutes after the driver side door is locked), the head-up display works correctly. There is a software deviation that affects software versions 0304 (on A6 and A7 vehicles) and 0021 (on A8 vehicles).
Owners of these vehicles have filed 19 complaints in the electrical category.
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