DTC U0055-88: Vehicle Communication Bus D - Bus Off: Action

NOTE: This DTC is for information only and does not necessarily indicate an ECU fault

Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the electrical circuit diagrams and check the High Speed CAN bus (comfort) for short circuit to ground, short circuit to power, open circuit, high resistance or physical damage. Repair the wiring harness as necessary
Using the Jaguar Land Rover approved diagnostic equipment, check the snapshot data to determine the missing message source control module. Check the relevant control module for related DTCs and refer to the relevant DTC index