Fault Codes/Generac/005394Generac005394UnclassifiedSpeedWhat This Code MeansEngine cranking; Nexus controller in AUTOPossible Causes•Utility failureSuggested Actions1Troubleshoot utility powerRelated Generac Fault Codes012976015330002634E-CODE 10641301IGNITION MODULE FAULT INDICATOR1208MIL CODE1066NO CAM SIGNAL1064NO CRANK SIGNALBrowse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 005394 on your specific Generac unit — cited to the OEM manual, not a forum guess.Your question about 005394GET THE ANSWERFree account required — we'll bring your question with you.