Home › Land Rover › 2014 › LR4 Base, AWD › Repair and Diagnosis › Transmission › Transmission Control Systems › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- LR4/L319 › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) › Description And Operation › DTC U0404-82: Invalid Data Received from Gear Shift Control Module A - Alive/sequence counter incorrect/not updated › Possible Causes