Home › Land Rover › 2016 › LR4 Base › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Driver/Passenger Seat Module (DSM/PSM) -- LR4/L319 › Diagnostic Trouble Code Index DTC: Driver/Passenger Seat Module (DSM/PSM) › Description And Operation › DTC U3001-46: Control Module Improper Shutdown - Calibration/parameter memory failure › Possible Causes