Home >> Land Rover >> 2021 >> Discovery S >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Head Up Display (HUD) -- Discovery/L462 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Head Up Display (HUD) (G2185684) >> DTC B100E-64: Video Input "A" - Signal Plausibility Failure >> Possible Causes