Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) >> Description And Operation >> DTC U3000-46: Control Module - Calibration/parameter memory failure >> Possible Causes