Land Rover Defender 2020–2023 — technical service bulletin
Bulletin SSM75892 · NHTSA communication 10227451 · issued Nov 15, 2022
Technical service bulletin
communication type
Equipment
component
2020–2023
model years
4
vehicle entries
Official summary
Noise From Sunroof Blind When Opening And Closing
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.