Home >> Jaguar >> 2014 >> XK Base, 2D Convertible >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code Index DTC: Occupant Classification System (OCS) -- XK/X150 >> Diagnostic Trouble Code Index DTC: Occupant Classification System (OCS) >> Description And Operation >> Occupant Classification System [OCS] >> DTC U201A-51: Control Module Main Calibration Data - Not programmed >> Possible Causes