Home >> Land Rover >> 2019 >> Range Rover Autobiography >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> 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) (G2171627) >> DTC U2300-55: Central Configuration - Not configured >> Possible Causes