Home >> Land Rover >> 2021 >> Discovery S >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Dynamic Response Control Module (DRM) -- Discovery/L462 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Dynamic Response Control Module (DRM) (G2016243) >> DTC C105B-64: Actuator Circuit Group B - Signal plausibility failure >> Possible Causes