Home › Land Rover › 2013 › Range Rover Sport Autobiography › Repair and Diagnosis (Single Page) › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- Range Rover Sport/L320 › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) › Description And Operation › DTC U0300-57: Internal Control Module Software Incompatibility - Invalid/incomplete software component › Possible Causes