Land Rover Defender 2021–2022 — technical service bulletin
Bulletin BIG5MAY21_37 · NHTSA communication 10194717 · issued May 14, 2021
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
5
vehicle entries
Official summary
MISSING ACTIVITY KEY
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.