Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Diagnostic Trouble Code Index DTC: SEATBELT Retractor & PRETENSIONER Control Module -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: SEATBELT Retractor & PRETENSIONER Control Module >> Description And Operation >> DTC U2300-54: Central Configuration - Missing calibration >> Possible Causes