Home >> Land Rover >> 2021 >> Range Rover SVAutobiography Dynamic Blk. >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Instrument Cluster - Virtual Display (Ic) -- Range Rover/L405 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Instrument Cluster - Virtual Display (Ic) (G2200277) >> DTC B100D-64: Column Lock Authorization - Signal plausibility failure >> Possible Causes