Home › Jaguar › 2012 › XK 2D Convertible › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Adaptive Damping Control Module (SUMB) -- XK/X150 › Diagnostic Trouble Code Index DTC: Adaptive Damping Control Module (SUMB) › Description And Operation › Adaptive Damping Module [SUMB] › DTC U3000-52: Control Module - Not activated › Possible Causes