Land Rover Defender 2021–2022 — technical service bulletin
Bulletin JLRTB02090NAS1 · NHTSA communication 10200791 · issued Aug 19, 2021
Technical service bulletin
communication type
Power Train
component
2021–2022
model years
2
vehicle entries
Official summary
Heatshield contact with rear driveshaft.
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.