U3000-47 Control Module - Watchdog/safety microcontroller failure: Action

Using the Jaguar Land Rover approved diagnostic equipment, check datalogger signals - Main ECU Supply Voltage (0xD018) - and - Main ECU Supply Voltage (0xD019). Refer to the electrical circuit diagrams and check the transfer case control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new transfer case control module