Fault Codes/Discovery Energy, LLC (Rehlko)/P0657Discovery Energy, LLC (Rehlko)P0657WarningGeneralWhat This Code MeansP0657Possible Causes•Problem with the actuator power voltage circuitSuggested Actions1Check the relay coil and leads for power and continuityRelated Discovery Energy, LLC (Rehlko) Fault CodesP0658P0659P0653P0686P0643P0687P0642P1518 3464 13P0638P1519 3464 13P0606P1609Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P0657 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P0657GET THE ANSWERFree account required — we'll bring your question with you.