Audi Q3 2018–2021 — technical service bulletin
Bulletin A5723122063376_3 · NHTSA communication 10241239 · issued Aug 8, 2023
Technical service bulletin
communication type
Electrical System
component
2018–2021
model years
4
vehicle entries
Official summary
This bulletin provides information for when the message "Child lock: malfunction" is displayed in the instrument cluster, and 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.