DTC U0001-87 High Speed CAN Communication Bus - Missing message: Action
- Vehicle Conditions to enable DTC Logging Strategy
- Ignition on
- Prioritised Checks to Perform
- Check wiring integrity, check component mechanical integrity
- Using the Jaguar Land Rover approved diagnostic equipment check "Network Overview" for off bus control modules
- Refer to the appropriate system wiring diagrams and check the communication bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance