DTC B12CB-23: Start/Stop Eco-Start Enable Button - Signal stuck low: 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 check the auto stop/start switch signal circuit for short circuit to ground. Repair the wiring harness or install a new auto stop/start switch as necessary