DTC U201A-57: Control module main calibration data - Invalid/incomplete software component: Action

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2015 Jaguar XKR-S, 2015 Jaguar XKR, 2015 Jaguar XK, 2014 Jaguar XKR-S, and 2014 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Due to the mechanical calibration tolerance the correct mirror module assembly must be used for the vehicle model types in question and it is not exchangeable with other vehicle model types

Using the manufacturers approved diagnostic system, compare the vehicle type in the mirror module with the car configuration file (parameter 1), if these do not match the incorrect mirror has been fitted
Using the manufacturers approved diagnostic system, check the configuration of the car configuration file and software version of the mirror module is correct