DTC B117A-01: Backup Microphone - General electrical failure: Action
WARNING: This page is about a different car, the 2021 Land Rover Range Rover and 2020 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This DTC will cause the warning "SOS limited functionality" to be displayed on the instrument cluster
- Refer to the appropriate service information and check the telematic microphone circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary