DTC U201A-54: Control Module Main Calibration Data - Missing calibration: Action
WARNING: This page is about a different car, the 2021 Land Rover Range Rover Sport, 2020 Land Rover Range Rover Sport, and 2019 Land Rover Range Rover Sport. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Telematic Control Unit 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, re-configure the telematic control unit module with the latest level software