Home >> Land Rover >> 2020 >> Discovery Sport Base >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Chassis Control Module (CHCM) - Discovery Sport/L550 >> Diagnostic Trouble Code Index - DTC: Chassis Control Module (CHCM) (G2309000) >> Description And Operation >> DTC U201A-57: Control Module Main Calibration Data - Invalid/incomplete software component >> Possible Causes