Fault Codes/Discovery Energy, LLC (Rehlko)/P0116Discovery Energy, LLC (Rehlko)P0116WarningGeneralWhat This Code MeansP0116Possible Causes•Problem with the CT sensor or leads.Suggested Actions1Check CT sensor leads. Refer to the Coolant Temperature Sensor Troubleshooting section.2Replace CT sensor. Refer to the Coolant Temperature (CT) Sensor section.Related Discovery Energy, LLC (Rehlko) Fault CodesP0117P0118P0113P0121P0112P0171P0111P0172P0108P0335P0107P0508Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P0116 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P0116GET THE ANSWERFree account required — we'll bring your question with you.