DTC U0046-87: Vehicle Communication Bus C - Missing message: Action
NOTE:
Do NOT install a new integrated suspension control module as this will NOT rectify the fault.
- Using Jaguar Land Rover approved diagnostic equipment, check the snapshot data to determine the missing message source control module. Check the relevant control module for related DTCs and refer to the relevant DTC index
- Refer to the appropriate system wiring diagrams and check the relevant control module (i.e. as indicated by the snapshot data) power and ground circuits for open circuit. Repair circuits as required, clear DTC and retest
- Using Jaguar Land Rover approved diagnostic equipment, complete a CAN network integrity test. Refer to the appropriate system wiring diagrams and check the high speed CAN network (chassis) between the relevant control module (i.e. as indicated by the snapshot data) and the suspension control module