DTC U201A-54: Control Module Main Calibration Data - Missing calibration: Action
WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Telematics Control Module (TCU) may be sending incorrect messages to the monitoring center, or sending no information at all, when detecting this fault
- Using the Jaguar Landrover approved diagnostic equipment, reconfigure the telematics control module with the latest level software