Land Rover Defender 2021–2022 — technical service bulletin
Bulletin SFCC_JUN2021_18 · NHTSA communication 10199047 · issued Jun 21, 2021
Technical service bulletin
communication type
Power Train
component
2021–2022
model years
10
vehicle entries
Official summary
Engine MIL and reduced engine performance.
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.