Home › Land Rover › 2022 › Discovery S › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) -- Discovery/L462 › General Information › Description And Operation › Diagnostic Trouble Code Index - DTC: Infotainment Master Controller/Infotainment Slave Controller (IMC/ISC) (G1842475) › DTC B14DC-13: Electronic Toll Collection Module - Circuit open › Possible Causes