Home >> Jaguar >> 2012 >> XJ Base >> Repair and Diagnosis (Single Page) >> General Information >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Infotainment Master Controller (IMC) -- XJ/X351 >> DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Infotainment Master Controller (IMC) >> Description And Operation >> Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) >> DTC B14B7-13: USB Hub #1 - Circuit open >> Possible Causes