Fault Codes/Discovery Energy, LLC (Rehlko)/P0129Discovery Energy, LLC (Rehlko)P0129WarningLubricationWhat This Code MeansBarometric Pressure Too LowPossible Causes•Actual atmospheric condition•TMAP sensor/leads if you also have a TMAP faultSuggested Actions1Replace the TMAP sensor. Refer to the Temperature Manifold Pressure (TMAP) Sensor sectionRelated Discovery Energy, LLC (Rehlko) Fault CodesP0522P0523P27 - 117P0524P27 - 116P2261P26 - 65P22621127 7P2263P2300P2301Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P0129 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P0129GET THE ANSWERFree account required — we'll bring your question with you.