DTC B100D-64: Column Lock Authorisation - Signal plausibility failure: Action

NOTE: This DTC is set when an electric steering column lock unlock request is received when the engine speed or vehicle speed is incorrect

Using the Jaguar Land Rover approved diagnostic equipment, check the live data signal - ECU Power Supply Voltage (0xD111). Refer to the electrical circuit diagrams and check the instrument cluster power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
Refer to the electrical circuit diagrams and check the electric steering column lock control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
Refer to the electrical circuit diagrams and check the High Speed CAN bus (HMI-CAN) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary. Clear the Diagnostic Trouble Code(s) and retest