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

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport, 2017 Land Rover Discovery Sport, 2016 Land Rover Discovery Sport, and 2015 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Prior to clearing this DTC, perform routine - Vehicle Reset.

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, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index
Using the JLR approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index
Using the JLR approved diagnostic equipment, check the central junction box for related DTCs and refer to the relevant DTC index