Home >> Land Rover >> 2020 >> Discovery Sport Base >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Audio Amplifier Module (AAM) - Discovery Sport/L550 >> Diagnostic Trouble Code Index - DTC: Audio Amplifier Module (AAM) (G2401102) >> Description And Operation >> DTC U201B-57: Control Module Calibration Data #2 - Invalid/Incomplete Software Component >> Possible Causes