Land Rover Defender 2020–2022 — technical service bulletin
Bulletin SFCC_FEB2022_40 · NHTSA communication 10208479 · issued Feb 18, 2022
Technical service bulletin
communication type
Power Train
component
2020–2022
model years
3
vehicle entries
Official summary
Overheat Warning on Highway
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.