Home >> Land Rover >> 2015 >> LR4 HSE, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Gateway Module (GWM) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Gateway Module (GWM) >> Description Of Operation >> DTC U0300-46: Internal Control Module Software Incompatibility - Calibration/parameter memory failure >> Possible Causes