DTC U0028-88: Vehicle Communication Bus A - Bus off: Action
- Prioritised steps to perform:
- Using the Jaguar Land Rover approved diagnostic equipment, check the vehicle for CAN bus (FlexRay) related Diagnostic Trouble Code(s) and refer to the relevant DTC index. Refer to the appropriate system wiring diagrams and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary