DTC U201A-57: Control Module Main Calibration Data - Invalid/incomplete software component: Action
WARNING: This page is about a different car, the 2018 Jaguar XF, 2017 Jaguar XF, and 2016 Jaguar XF. 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 transfer case control module with the latest level software
- Check the part number of the transfer case control module. Install a new transfer case control module as necessary