DTC U0046-87: Vehicle Communication Bus C - Missing message: Action
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2015 Land Rover Range Rover, and 2014 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 JLR 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
- Using JLR approved diagnostic equipment, complete a CAN network integrity test. Refer to the appropriate system wiring diagram and check the high speed CAN network (chassis) between the relevant control module (i.e. as indicated by the snapshot data) and the dynamic response control module