Home >> Land Rover >> 2021 >> Range Rover SVAutobiography Dynamic Blk. >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) -- Range Rover/L405 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Infotainment Master/Slave Controller (IMC/ISC) (G2385771) >> DTC B1968-02: Lower Front Display Screen - General signal failure >> Possible Causes