DTC U0046-88: Vehicle Communication Bus C - Bus off: Action
- Refer to the electrical circuit diagrams and check the power and ground connections to the module
- Using the Jaguar Land Rover approved diagnostic equipment, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the high speed CAN bus (chassis) for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuits as required, clear the DTCs and retest