Land Rover Defender 2020–2022 — technical service bulletin
Bulletin N572NAS3 · NHTSA communication 10200801 · issued Aug 25, 2021
Technical service bulletin
communication type
Power Train
component
2020–2022
model years
7
vehicle entries
Official summary
Electric Supercharger Intermittent Operation
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.