Land Rover Defender 2020–2022 — technical service bulletin
Bulletin SFCC_APR2022_31 · NHTSA communication 10211124 · issued Apr 18, 2022
Technical service bulletin
communication type
Power Train
component
2020–2022
model years
3
vehicle entries
Official summary
Customer concern will be a warning lamp in IP cluster or coolant temperature gauge fluctuation
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.