DTC B1D9F-11: Engine Speed Input - Circuit short to ground: Action
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2015 Land Rover Range Rover, and 2014 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the appropriate system wiring diagrams and test the crank signal input circuit for short circuit to ground. Using JLR approved diagnostic equipment, clear the DTCs and retest
- If the fault persists, install a new audio amplifier module