HELLO, SO MY ES350 HAS A BATTERY LIGHT ON AND NEW BATTERY HAS BEEN INSTALLED CHEKED ALL CONNECTIONS FOR TIGHTNESS AND CORROSION ALSO PERFORMED CHARGING SYSTEM CHECK WITH PASSED RESULT CHARGING AT 13.9V ALSO FOUND NO DTC'S NO PROBLEMS FOUND IN STARTING OR CHARGING SYSTEMS AND VEHICLE RUNS FINE AND LIGHT HAS BEEN ON FOR A WHILE HAS ANYONE RAN INTO THIS ANY HELP WOULD BE APPRECIATED THX