DTC U0046-88: Vehicle Communication Bus C - Bus off: Action
- Using the Jaguar Land Rover approved diagnostic equipment, inspect the status bits of the DTC on the appropriate DTC information. If 'Confirmed DTC' status bit is not set ('NO' on display) ignore this DTC
- Using the Jaguar Land Rover approved diagnostic equipment, check for other chassis CAN network related Diagnostic Trouble Code(s) and refer to the relevant DTC index
- Refer to the electrical circuit diagrams and check the high speed CAN (chassis) bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary, clear the Diagnostic Trouble Code(s) and retest
- If the fault persists contact Jaguar Land Rover technical assistance