Land Rover Range Rover 2018–2023 — technical service bulletin
Bulletin SSM75965 · NHTSA communication 10233817 · issued Mar 13, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2023
model years
12
vehicle entries
Official summary
PHEV cooling circuit expansion tank level low or HV battery warning message displayed.
Vehicles covered
- 2018 Land Rover Range Rover
- 2019 Land Rover Range Rover
- 2020 Land Rover Range Rover
- 2021 Land Rover Range Rover
- 2022 Land Rover Range Rover
- 2023 Land Rover Range Rover
- 2018 Land Rover Range Rover Sport
- 2019 Land Rover Range Rover Sport
- 2020 Land Rover Range Rover Sport
- 2021 Land Rover Range Rover Sport
- 2022 Land Rover Range Rover Sport
- 2023 Land Rover Range Rover 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.