Home › Land Rover › 2023 › Range Rover Velar HST › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Transfer Case Control Module (TCCM) -- Range Rover Velar/L560 › General Information › Description And Operation › Diagnostic Trouble Code Index - DTC: Transfer Case Control Module (TCCM) (G2933770) › U0300-46: Internal Control Module Software Incompatibility - Calibration/parameter memory failure › Possible Causes