DTC U1A14-49: CAN Initialization Failure - Internal electronic failure: Action

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport, 2017 Land Rover Discovery Sport, 2016 Land Rover Discovery Sport, and 2015 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.

Using the Jaguar Land Rover approved diagnostic equipment, reconfigure the all wheel drive control module with the latest level software. Clear the DTCs and retest. If the fault persists, install a new all wheel drive control module.
For additional information, refer to: DIFFERENTIAL CONTROL MODULE