DTC U201A-54: Control Module Main Calibration Data - Missing Calibration: 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 Telematic Control Module (TCU) may be sending incorrect messages to the monitoring centre, or sending no information at all, when detecting this fault
- Using the Jaguar Land Rover approved diagnostic equipment, reconfigure the telematic control module with the latest level software