Home › Jaguar › 2013 › XF 2.0 › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code: Adaptive Speed Control Module (ASCM) -- XF/X250 › Diagnostic Trouble Code (DTC) Index DTC: Adaptive Speed Control Module (ASCM) › Description And Operation › DTC U3000-42: Control Module - General memory failure › Possible Causes