Land Rover Discovery 2019–2022 — technical service bulletin
Bulletin N861 · NHTSA communication 10251549 · issued Feb 28, 2024
Technical service bulletin
communication type
Equipment
component
2019–2022
model years
10
vehicle entries
Official summary
On certain 2020 to 2022 model year Range Rover, 2019 to 2022 model year Range Rover Sport, 2019 to 2020 model year Range Rover Evoque and 2020 model year Discovery Sport vehicles, the 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp (MIL), loss of start/stop functionality and no communication during diagnostic sessions.
Vehicles covered
- 2020 Land Rover Discovery
- 2020 Land Rover Range Rover
- 2021 Land Rover Range Rover
- 2022 Land Rover Range Rover
- 2019 Land Rover Range Rover Evoque
- 2020 Land Rover Range Rover Evoque
- 2019 Land Rover Range Rover Sport
- 2020 Land Rover Range Rover Sport
- 2021 Land Rover Range Rover Sport
- 2022 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.