DTC C101A-86: Vacuum Pressure Sensor - Signal invalid: 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.
- Check the integrity of the brake booster vacuum hose. Rectify as necessary
- Install a new brake vacuum sensor