Home >> Land Rover >> 2021 >> Defender 110 >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Infotainment Gateway Module (IGM) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Infotainment Gateway Module (IGM) (G2805963) >> Description And Operation >> Infotainment Gateway Module (IGM) >> DTC B14B6-13: USB Port #1 - Circuit open >> Possible Causes