Home >> Land Rover >> 2017 >> Discovery SE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Diagnostic Trouble Code Index DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) -- Discovery/L462 >> Diagnostic Trouble Code Index DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) >> Description And Operation >> DTC U3000-04: Control Module - System internal failures >> Possible Causes