Land Rover Defender 2020–2021 — technical service bulletin
Bulletin SFCC_OCT2021_15 · NHTSA communication 10202819 · issued Oct 15, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2021
model years
2
vehicle entries
Official summary
Coolant level sensor loose
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.