DTC U0046-88: Vehicle Communication Bus C - Bus off: Action

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

Cycle the ignition and wait for 20 seconds. Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Codes and retest, if the problem persists, perform a CAN network integrity test. Refer to the electrical circuit diagrams and check the high speed CAN bus (comfort) circuit for short circuit to ground, short circuit to power, open circuit, high resistance