Common Audi A3 (8V) MMI Navigation Unit Failures
The Audi A3 (8V) is equipped with the MMI navigation unit, a central system that controls media, navigation, and vehicle settings. While advanced in design, these units are known to develop faults that affect usability. One of the most common issues reported is a complete loss of sound, where the display appears to function normally but no audio is produced. This fault points to internal failures within the navigation unit that typically require professional repair.
Common Faults:
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No Sound
Common Audi A3 (8V) MMI Navigation Unit Faults and Symptoms
The Audi A3 (8V) is fitted with the MMI navigation unit, which provides control over navigation, media, and in-car settings. While this system adds convenience and premium features, it is also known to suffer from faults that affect its performance. One of the most common failures is a complete loss of sound, even though the display and menu functions continue to operate normally.
1. No Sound
The most frequently reported issue with the Audi A3 (8V) MMI navigation unit is a total loss of audio. In these cases, the screen powers on and all menus can be navigated as expected, but no sound is produced through the speakers. This fault usually points to an internal failure within the navigation unit’s circuitry and cannot typically be resolved without specialist repair.
This issue is widespread across the A3 (8V) range and often requires professional intervention to restore full functionality.
Affected Vehicles
The following models are commonly affected by MMI navigation unit faults:
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Audi A3 (2012-2020)
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Audi S3 (2012-2020)
Common Affected Part Numbers
Known affected Audi MMI navigation unit part numbers include (but are not limited to):
8V0035034A, 8V0035036A
If your unit’s part number isn’t listed above, it may still be affected — Audi fitted several variations of the MMI navigation unit during the A3 (8V) production years.
Audi A3 (8V) MMI Navigation Unit Repair – Essex Recons
At Essex Recons, we specialise in repairing Audi MMI navigation units suffering from no sound output and other related failures. Our expert technicians use advanced diagnostic tools and component-level repair techniques to restore the unit to full working order, providing a cost-effective alternative to replacement. Every repaired unit undergoes extensive testing before being returned and is supplied with warranty for peace of mind.
If your Audi A3 (8V) is experiencing MMI navigation problems, contact Essex Recons today for a fast, professional, and affordable repair service.
