Fault Codes/Discovery Energy, LLC (Rehlko)/P1631Discovery Energy, LLC (Rehlko)P1631ErrorCoolingWhat This Code MeansElectronic Throttle Driver OverheatPossible Causes•Bad throttle body or leadsSuggested Actions1Troubleshoot the TP sensor leads. Refer to the Throttle Position (TP) Sensor Troubleshooting section.2Replace the throttle body. Refer to the Air - Fuel Mixer, Adapter, and Throttle Body Assembly section.Related Discovery Energy, LLC (Rehlko) Fault CodesP1632P1630P1138P0217P0128P0127P0126P0125P1633P2100Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P1631 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P1631GET THE ANSWERFree account required — we'll bring your question with you.