Home >> Land Rover >> 2021 >> Discovery R-Dynamic HSE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Electric Steering Column Lock Control Module (ESCL) -- Discovery/L462 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Electric Steering Column Lock Control Module (ESCL) (G2016110) >> DTC B100D-29: Column Lock Authorisation - Signal invalid >> Possible Causes