Home >> Land Rover >> 2013 >> Range Rover HSE >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Diagnostic Trouble Code Index DTC: Adaptive Speed Control Module (ASCM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Adaptive Speed Control Module (ASCM) >> Description And Operation >> DTC B1A84-81: Car Configuration Data - Invalid serial data received >> Possible Causes