Home >> Land Rover >> 2020 >> Range Rover Evoque S >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) -- Range Rover EVOQUE/L551 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) (G2308354) >> B1520-13: Auxiliary Fan Relay Control Line - Circuit open >> Possible Causes