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

WARNING: This page is about a different car, the 2021 Land Rover Range Rover and 2020 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Do NOT install a new dynamic response control module as this will NOT rectify the fault

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