Home › Land Rover › 2013 › Range Rover Autobiography › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- Range Rover/L405 › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) › Description And Operation › DTC U0302-57: Software Incompatibility with Transmission Control Module - Invalid/incomplete software component › Possible Causes