Home >> Land Rover >> 2020 >> Discovery Sport Base >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) - Discovery Sport/L550 >> Diagnostic Trouble Code Index - DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) (G2308354) >> Description And Operation >> DTC B1DE3-31: Multimedia Link - Driver Assistance Domain Controller - No Signal >> Possible Causes