Hyundai Sonata 2020–2021 — technical service bulletin
Bulletin 20-BD-020H · NHTSA communication 10185437 · issued Dec 18, 2020
Technical service bulletin
communication type
Visibility
component
2020–2021
model years
2
vehicle entries
Official summary
This bulletin describes the procedure to replace the front door module assembly if the front door window cannot close or the door regulator cables are separated from the regulator track.
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.