Home › Land Rover › 2021 › Range Rover Base › Repair and Diagnosis › General Information › Specifications Index › Diagnostic Trouble Code Index DTC: Adaptive Speed Control Module (ASCM) -- Range Rover/L405 › General Information › Description And Operation › Diagnostic Trouble Code Index - DTC: Adaptive Speed Control Module (ASCM) (G2391130) › DTC U3000-19: Control Module - Circuit current above threshold › Possible Causes