DTC U0046-31: Vehicle Communication Bus C - No Signal: Action

NOTE: This DTC refers to a CAN bus communications failure, DO NOT replace the side obstacle detection control module

Using the Jaguar Land Rover approved diagnostic equipment, check the snapshot (0xD020) data to determine the missing signal 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, perform a CAN network integrity test. Refer to the electrical circuit diagrams and check the high speed CAN bus (chassis) circuit for short circuit to ground, short circuit to power, open circuit, high resistance