DTC B100D-81: Column Lock Authorization - Invalid serial data received: Action

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

Using the Jaguar Land Rover approved diagnostic equipment, re-configure the central junction box with the latest level software
Using the Jaguar Land Rover approved diagnostic equipment, 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.