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RecallGazette

Vehicle problems, recalls & safety intelligence

Audi A3 2016–2020technical service bulletin

Bulletin A9120782057052_3 · NHTSA communication 10176758 · issued Jun 18, 2020

Technical service bulletin
communication type
Electrical System
component
2016–2020
model years
38
vehicle entries

Official summary

This bulletin contains instructions for when the MMI shows the message 'Read error occurred when accessing the navigation data' after initialization and reboots constantly with DTC B126CF0 and/or B126CF1.

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.