DTC P2783-98: Torque Converter Temperature Too High - Component or system over temperature: 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, re-configure the transmission control module with the latest level software and retest. If the fault persists, install a new transmission control module