Fault Codes/Discovery Energy, LLC (Rehlko)/D15Discovery Energy, LLC (Rehlko)D15UnclassifiedGeneralWhat This Code MeansRemote shutdownRelated Discovery Energy, LLC (Rehlko) Fault CodesEMERGENCY STOPENGINE STAD13GROUND FAULTD12J1939CAN SHUTDOWNALRTLOAD SHED KW OVER3217 5LOAD SHED UNDER FREQUENCY1695 18OVER FREQUENCYBrowse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for D15 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about D15GET THE ANSWERFree account required — we'll bring your question with you.