Home › Land Rover › 2013 › Range Rover Evoque Dynamic, 2D Utility Coupe › Repair and Diagnosis › Quick Lookups › 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