Home › Land Rover › 2021 › Defender 110 X-Dynamic HSE › Repair and Diagnosis › Quick Lookups › Common Specs & Procedures › Diagnostic Trouble Code Index DTC: Instrument Panel Cluster (IPC) Control Module -- Defender/L663 › Diagnostic Trouble Code Index - DTC: Instrument Panel Cluster (IPC) Control Module (G2400899) › Description And Operation › Instrument Panel Cluster (IPC) Control Module › DTC U3000-46: Control Module - Calibration/parameter memory failure › Possible Causes