Home › Land Rover › 2017 › Range Rover Autobiography › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Anti-Lock Brake System Control Module (Abs) -- Range Rover/L405 › Diagnostic Trouble Code Index DTC: Anti-Lock Brake System Control Module (ABS) › Description And Operation › DTC U3001-77: Control Module Improper Shutdown - Commanded position not reachable › Possible Causes