DTC B100D-62: Column Lock Authorization - Signal compare 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.

Using JLR approved diagnostic equipment, clear the DTCs and perform routine - On Demand Self Test (0x0202). If the fault persists, reconfigure as a new module
Using JLR approved diagnostic equipment, perform a CAN network integrity test. Refer to the appropriate system wiring diagrams and check the high speed CAN bus (body) circuit for short circuit to ground, short circuit to power, open circuit, high resistance