Home >> Land Rover >> 2016 >> Range Rover Sport Supercharged Dynamic >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Tailgate Control Module (TGCM) - Upper/Lower -- Range Rover Sport/L494 >> Diagnostic Trouble Code Index DTC: Tailgate Control Module (TGCM) - Upper/Lower >> Description And Operation >> DTC U201A-51: Control Module Main Calibration Data - Not programmed >> Possible Causes