DTC B100D-72: Column Lock Authorization - Actuator stuck open: Action

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2019 Land Rover Range Rover Evoque, 2018 Land Rover Range Rover Evoque, 2017 Land Rover Range Rover Evoque, 2016 Land Rover Range Rover Evoque, and 2015 Land Rover Range Rover Evoque. However, it is still accessible from the selected car via links, so may be relevant.

Using the JLR approved diagnostic equipment, check datalogger signal - Main ECU Supply Voltage (0xDD02). Refer to the appropriate SYSTEM WIRING DIAGRAMS and check the electric steering column lock power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
Refer to the relevant section of the service information and check the battery and charging system
Turn the steering wheel to ensure that the electric steering column lock mechanism is free to move. Using the JLR approved diagnostic equipment, clear the DTCs and retest
Using the JLR approved diagnostic equipment, perform a CAN network integrity test. Refer to the appropriate SYSTEM WIRING DIAGRAMS and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
Using the JLR approved diagnostic equipment, clear the DTCs and perform routine - On Demand Self Test. If the fault persists, install a new electric steering column lock control module