DTC U0401-31: Invalid Data Received From ECM/Pcm A - No Signal: Action

WARNING: This page is about a different car, the 2015 Land Rover LR2, 2014 Land Rover LR2, and 2013 Land Rover LR2. However, it is still accessible from the selected car via links, so may be relevant.

Using the manufacturer approved diagnostic system, check the engine control module for related DTCs and refer to the relevant DTC index