Fault Codes/Discovery Energy, LLC (Rehlko)/P0103Discovery Energy, LLC (Rehlko)P0103WarningGeneralWhat This Code MeansP0103Possible Causes•Problem with the TMAP sensor or leadsSuggested Actions1Troubleshoot the TMAP sensor leads. Refer to the Temperature Manifold Pressure (TMAP) and MAP Sensor Troubleshooting section.2Replace the TMAP sensor. Refer to the Temperature Manifold Pressure (TMAP) Sensor section.Related Discovery Energy, LLC (Rehlko) Fault CodesP0107P0108P0102P0111P0068P0112P050CP0113P0032P0116P0031P0117Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P0103 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P0103GET THE ANSWERFree account required — we'll bring your question with you.