DTC U0046-86: Vehicle Communication Bus C - Signal invalid: Action

NOTE: This DTC refers to a CAN bus communications failure, DO NOT replace the blind spot monitoring control module

Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the appropriate system wiring diagrams and check the high speed CAN bus (chassis) circuit for short circuit to ground, short circuit to power, open circuit, high resistance