Home › Land Rover › 2022 › Discovery S › Repair and Diagnosis (Single Page) › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- Discovery/L462 › General Information › Description And Operation › Diagnostic Trouble Code Index - DTC: Transmission Control Module (TCM) (G2720552) › DTC U0302-57: Software Incompatibility with Transmission Control Module - Invalid/incomplete software component › Possible Causes