DTC U0046-87: Vehicle Communication Bus C - Missing message: Action

Using the Jaguar Land Rover approved diagnostic equipment, inspect the snapshot data to determine the invalid data source control module. Inspect the relevant control module for related Diagnostic Trouble Code(s) and refer to the relevant Diagnostic Trouble Code index
Using the Jaguar Land Rover approved diagnostic equipment, complete a CAN network integrity test. Refer to the appropriate service information and inspect the CAN network for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary