Home › Land Rover › 2018 › Range Rover Evoque HSE Dynamic, 4D Utility › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Tailgate Control Module (TGCM) › Diagnostic Trouble Code Index DTC: Tailgate Control Module (TGCM) › Description And Operation › DTC U201A-52: Control Module Main Calibration Data - Not activated › Possible Causes