Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Diagnostic Trouble Code Index DTC: Head-Up Display Cooling Fan Control Module -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Head-Up Display Cooling Fan Control Module >> Description And Operation >> DTC U3000-49: Control Module - Internal Electronic Failure >> Possible Causes