DTC B100D-61: Column Lock Authorization - Signal calculation failure: Action

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

NOTE: Prior to clearing this DTC, carry out the vehicle functional reset application using the manufacturer approved diagnostic system.

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, perform a CAN network integrity test. Refer to the relevant 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