Home › Jaguar › 2014 › XKR 2D Convertible › Repair and Diagnosis › Transmission › Transmission Control Systems › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- XK/X150 › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) › Description And Operation › Transmission Control Module [TCM] › DTC P061B-02: Internal Control Module Torque Calculation Performance - General signal failure › Possible Causes