U025D-88 Lost Communication With Front Controls Interface Module "B" - Bus off: Action

Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the rear integrated control panel power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the medium speed CAN bus (comfort) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
Using the Jaguar Land Rover approved diagnostic equipment, check the rear integrated control panel for related DTCs and refer to the relevant DTC index