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

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2017 Jaguar XJR, 2017 Jaguar XJ, 2016 Jaguar XJR, 2016 Jaguar XJ, and 2015 Jaguar XJR. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Prior to clearing this DTC, perform the Vehicle Functional Reset routine

Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the applicable 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
Using the manufacturer approved diagnostic system, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index
Using the manufacturer approved diagnostic system, check the engine control module for related DTCs and refer to the relevant DTC index
Using the manufacturer approved diagnostic system, check the central junction box for related DTCs and refer to the relevant DTC index