Fault Codes/Generac/015358Generac015358UnclassifiedCoolingWhat This Code MeansChanges in resistance based on temperature of the coolant sensorPossible Causes•Controller supplies a 3.3 VDC sensing voltage to the coolant sensorSuggested Actions1Monitor changes in resistanceRelated Generac Fault CodesATSAVR OVER-TEMP015322E-CODE 14002746ECM-2C2745ECM-2G2740ECM-2K2735F2Browse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 015358 on your specific Generac unit — cited to the OEM manual, not a forum guess.Your question about 015358GET THE ANSWERFree account required — we'll bring your question with you.