Land Rover Discovery 2017–2022 — technical service bulletin
Bulletin SFCC_DEC2023_32 · NHTSA communication 10248408 · issued Dec 20, 2023
Technical service bulletin
communication type
Electrical System
component
2017–2022
model years
27
vehicle entries
Official summary
Due to time required to complete in shop vehicle set up and workflow for Audio loss, it has been found that workflow may provide false result if IMC is not in a faulted state when workflow is run to identify potential Polar Switch Firmware fault.
Vehicles covered
- 2017 Land Rover Discovery
- 2018 Land Rover Discovery
- 2019 Land Rover Discovery
- 2020 Land Rover Discovery
- 2021 Land Rover Discovery
- 2022 Land Rover Discovery
- 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
- 2017 Land Rover Range Rover
- 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
- 2018 Land Rover Range Rover Evoque
- 2019 Land Rover Range Rover Evoque
- 2020 Land Rover Range Rover Evoque
- 2018 Land Rover Range Rover Sport
- 2019 Land Rover Range Rover Sport
- 2020 Land Rover Range Rover Sport
- 2018 Land Rover Range Rover Velar
- 2019 Land Rover Range Rover Velar
- 2020 Land Rover Range Rover Velar
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.