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.

Using Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new transfer case control module and configure as a new module. Refer to the Transfer Case Control Module Replacement Application instructions in the relevant Diagnosis and Testing Section For additional information, refer to: DIAGNOSTICS (307-01 Automatic Transmission/Transaxle, Diagnosis and Testing).