DTC U1A00-49: Private Communication Network - Internal electronic failure: Action
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the appropriate system wiring diagram and check LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Perform powertrain control module software reset