Audi Q3 2019–2021 — technical service bulletin
Bulletin A5724642063376_4 · NHTSA communication 11009371 · issued Sep 26, 2024
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
3
vehicle entries
Official summary
This TSB provides information when the message "Child lock: Malfuctniom" appears in the instrument cluster; DTC B14FF29 is stored in the rear door control modules.
Vehicles covered
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.