Home › Land Rover › 2021 › Defender 90 › Repair and Diagnosis › General Information › Specifications Index › Diagnostic Trouble Code Index DTC: Instrument Panel Cluster (IPC) Control Module - Midline Plus -- Defender/L663 › Diagnostic Trouble Code Index - DTC: Instrument Panel Cluster (IPC) Control Module - Midline Plus (G2400898) › Description And Operation › Instrument Panel Cluster (IPC) Control Module - Midline Plus › DTC U2101-56: Control Module Configuration Incompatible - Invalid/incomplete configuration › Possible Causes