Home >> Jaguar >> 2017 >> XJR 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 B137F-31: Steering Wheel Left Switch Pack - No signal >> Possible Causes