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RecallGazette

Vehicle problems, recalls & safety intelligence

Audi A4 2019–2020technical service bulletin

Bulletin A912231205594512 · NHTSA communication 10222112 · issued Sep 23, 2022

Technical service bulletin
communication type
Equipment
component
2019–2020
model years
21
vehicle entries

Official summary

This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster.

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.