Home › Land Rover › 2019 › Range Rover Supercharged › Repair and Diagnosis › Quick Lookups › Common Specs & Procedures › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- Range Rover/L405 › General Information › Description And Operation › Diagnostic Trouble Code Index - DTC: Transmission Control Module (TCM) (G2016296) › DTC U0302-57 Software Incompatibility with Transmission Control Module - Invalid/incomplete software component › Possible Causes