Home >> Land Rover >> 2020 >> Range Rover Velar R-Dynamic HSE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Diagnostic Trouble Code Index DTC: Gateway Module (GWM) - Range Rover Velar/L560 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index: Gateway Module (GWM) (G2481050) >> B1479-48: Power Supply Distribution Box - Supervision Software Failure >> Possible Causes