Home >> Land Rover >> 2021 >> Defender 90 >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Interactive Display Module A (IDMA) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Interactive Display Module A (IDMA) (G2308466) >> Description And Operation >> Interactive Display Module A (IDMA) >> DTC U2300-55: Central Configuration - Not Configured >> Possible Causes