Home >> Jaguar >> 2012 >> XK 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Diagnostic Trouble Code Index DTC: Speed Control Module (CCM) -- XK/X150 >> Diagnostic Trouble Code Index DTC: Speed Control Module (CCM) >> Description And Operation >> Speed Control Module [CCM] >> DTC U3000-42: Control Module - General memory failure >> Possible Causes