DTC U0401-68: Invalid Data Received From ECM/PCM A - Event information: 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.

NOTE: The tailgate control module will inhibit the power tailgate operation if the ambient temperature value is invalid or excessively high to protect the actuators

Using the Jaguar Land Rover approved diagnostic equipment, check the engine control module for related DTCs and refer to the relevant DTC index