Home › Land Rover › 2020 › Discovery Landmark › Repair and Diagnosis (Single Page) › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- Discovery/L462 › General Information › Description And Operation › Diagnostic Trouble Code Index - DTC: Restraints Control Module (RCM) (G2272456) › DTC U2016-51: Control Module Main Software - Not programed › Possible Causes