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

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