Home >> Land Rover >> 2021 >> Defender 90 >> 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 U3002-81: Vehicle Identification Number - Invalid serial data received >> Possible Causes