DTC U0046-87: Vehicle Communication Bus C - Missing message: Action
- Using the Jaguar Land Rover approved diagnostic equipment, check the snapshot data to determine the invalid data source control module. Check the relevant control module for related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the high speed CAN network (chassis) for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary