Audi A5 2020–2023 — technical service bulletin
Bulletin AVIN4PIN20230313 · NHTSA communication 10233689 · issued Mar 13, 2023
Technical service bulletin
communication type
Structure
component
2020–2023
model years
14
vehicle entries
Official summary
Noise from front door trim panel while driving ACC warning is displayed, DTC C110300 Sensor misadjusted in DA 0013 Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Rear PDC mount comes loose from rear bumper Belt noise from starter generator
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.