Land Rover Defender 2017–2025 — technical service bulletin
Bulletin SSM76376ATT - 04AUG25 · NHTSA communication 11022427 · issued Aug 4, 2025
Technical service bulletin
communication type
Suspension
component
2017–2025
model years
15
vehicle entries
Official summary
A number of warranty return front lower control arms where the ball joint shows signs of damage due to over-articulation of the arm during removal and installation.
Vehicles covered
- 2020 Land Rover Defender
- 2021 Land Rover Defender
- 2022 Land Rover Defender
- 2023 Land Rover Defender
- 2024 Land Rover Defender
- 2025 Land Rover Defender
- 2017 Land Rover Discovery
- 2018 Land Rover Discovery
- 2019 Land Rover Discovery
- 2020 Land Rover Discovery
- 2021 Land Rover Discovery
- 2022 Land Rover Discovery
- 2023 Land Rover Discovery
- 2024 Land Rover Discovery
- 2025 Land Rover Discovery
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.