DTC B100D-29: Column Lock Authorization - Signal invalid: Action

Using JLR approved diagnostic equipment, check datalogger signal - Main ECU Voltage Supply (0xDD02). Refer to the relevant service information and test the battery and charging system
Using JLR approved diagnostic equipment, clear the DTCs. Perform routine - On Demand Self Test (0x0202). If the fault persists, install a new electric steering column lock control module and configure as a new module