Home >> Jaguar >> 2012 >> XK 2D Convertible >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Diagnostic Trouble Code Index DTC: Headlamp Control Module B (HCMB) -- XK/X150 >> Diagnostic Trouble Code Index DTC: Headlamp Control Module B (HCMB) >> Description And Operation >> Headlamp Control Module B [HCMB] >> DTC U0010-88: Medium speed CAN communication bus - Bus off >> Possible Causes