Home › Land Rover › 2021 › Range Rover Autobiography Fifty Edition › Repair and Diagnosis › General Information › Specifications Index › Diagnostic Trouble Code Index DTC: TELEMATIC Control Module (TCU) -- Range Rover/L405 › General Information › Description And Operation › Diagnostic Trouble Code Index - DTC: TELEMATIC Control Module (TCU) (G2058462) › DTC U3000-49: Control Module - Internal electronic failure › Possible Causes