Home >> Land Rover >> 2017 >> Discovery SE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Diagnostic Trouble Code Index DTC: Audio Amplifier Module (AAM) -- Discovery/L462 >> Diagnostic Trouble Code Index DTC: Audio Amplifier Module (AAM) >> Description And Operation >> DTC U201B-57: Control Module Calibration Data #2 - Invalid/incomplete software component >> Possible Causes