Home >> Land Rover >> 2021 >> Range Rover Evoque R-Dynamic S >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Audio Amplifier Module (AAM) -- Range Rover EVOQUE/L551 >> Diagnostic Trouble Code Index - DTC: Audio Amplifier Module (AAM) (G2152089) >> Description And Operation >> Audio Amplifier Module (AAM) >> DTC U201B-55: Control Module Calibration Data #2 - Not Configured >> Possible Causes