Land Rover Defender 2017–2022 — technical service bulletin
Bulletin SSM75463 · NHTSA communication 10202137 · issued Sep 9, 2021
Technical service bulletin
communication type
Power Train
component
2017–2022
model years
17
vehicle entries
Official summary
MIL ILLUMINATED
Vehicles covered
- 2020 Land Rover Defender
- 2021 Land Rover Defender
- 2022 Land Rover Defender
- 2022 Land Rover Defender PHEV
- 2017 Land Rover Discovery
- 2018 Land Rover Discovery
- 2019 Land Rover Discovery
- 2020 Land Rover Discovery
- 2021 Land Rover Discovery
- 2022 Land Rover Discovery
- 2021 Land Rover Discovery PHEV
- 2017 Land Rover Discovery Sport
- 2018 Land Rover Discovery Sport
- 2019 Land Rover Discovery Sport
- 2020 Land Rover Discovery Sport
- 2021 Land Rover Discovery Sport
- 2022 Land Rover Discovery Sport
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.