Home › Jaguar › 2014 › XK Base, 2D Convertible › Repair and Diagnosis › General Information › DTC Index › 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 P0700-22: Transmission Control System (MIL Request) - Signal amplitude > maximum › Possible Causes