Home >> Jaguar >> 2014 >> XK Base, 2D Convertible >> Repair and Diagnosis >> General Information >> 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 U0001-88: High speed CAN communication bus - Bus off >> Possible Causes