Fault Codes/Generac/002634Generac002634UnclassifiedSpeedWhat This Code MeansRPM Sensor LossPossible Causes•Lack of engine cranking•Faulty crank circuit•Faulty starterRelated Generac Fault Codes00539401297613010153301208IGNITION MODULE FAULT INDICATOR1007MIL CODE0C5969NO CAM SIGNALNO CRANK SIGNALOVERCRANK LEDBrowse all Generac fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 002634 on your specific Generac unit — cited to the OEM manual, not a forum guess.TRY IT FREE