DTC B1009-62: Ignition Authorization - Signal compare failure: Action

WARNING: This page is about a different car, the 2016 Land Rover LR4, 2015 Land Rover LR4, and 2014 Land Rover LR4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This DTC is only likely to occur following component replacement applications failing prior to completion

Using the manufacturer approved diagnostic system, re-configure the central junction box with the latest level software
Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the appropriate system wiring diagrams and check the medium speed CAN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance