Home › Land Rover › 2021 › Range Rover Base › Repair and Diagnosis › Quick Lookups › Common Specs & Procedures › Diagnostic Trouble Code Index DTC: Dynamic Response Control Module (DRM) -- Range Rover/L405 › General Information › Description And Operation › Diagnostic Trouble Code Index - DTC: Dynamic Response Control Module (DRM) (G2016243) › DTC U3000-47: Control Module - Watchdog/safety microcontroller failure › Possible Causes