Home › Jaguar › 2012 › XKR-S 2D Convertible › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Audio Control Module (ACM) -- XK/X150 › Diagnostic Trouble Code Index DTC: Audio Control Module (ACM) › Description And Operation › Audio Control Module [ACM] › DTC U3000-49: Control module - Internal electronic failure › Possible Causes