Fault Codes/Discovery Energy, LLC (Rehlko)/P050CDiscovery Energy, LLC (Rehlko)P050CWarningGeneralWhat This Code MeansP050CPossible Causes•Diagnostic not set.Suggested Actions1Verify that the CT sensor tracks coolant temperature. Observe the CT sensor reading during engine warm-up.2Check CT sensor leads. Refer to the Coolant Temperature Sensor Troubleshooting section.3Check the thermostat and replace if needed. Refer to the Engine Service Manual.Related Discovery Energy, LLC (Rehlko) Fault CodesP0068P0102P0032P0103P0031P0107P0007P0108P0006P01113217 5P0112Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P050C on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P050CGET THE ANSWERFree account required — we'll bring your question with you.