DTC U0400-29: Invalid Data Received - Signal invalid: Action
WARNING: This page is about a different car, the 2018 Land Rover Discovery and 2017 Land Rover Discovery. However, it is still accessible from the selected car via links, so may be relevant.
- Using the Jaguar Land Rover approved diagnostic equipment, check the audio head unit or the infotainment master controller for related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, check the steering angle sensor module for related DTCs and refer to the relevant DTC index