Fault Codes/Winco/SPN 652 FMI 5WincoSPN 652 FMI 5WarningGeneralWhat This Code MeansFailure is detected; System triggers appropriate substitute reactionPossible Causes•Hardware errors in the injectors•Hardware errors in respective ECM power stages•Overcurrent•Command collision•RAM error•Short circuitSuggested Actions1Diagnostic procedure uses pattern detection to identify specific errors and trigger appropriate substitute reactionRelated Winco Fault CodesSPN 652 FMI 6SPN 653 FMI 5LOW OIL PRESSURELOW OIL LEVELFAIL TO STOPFAIL TO STARTENGINE HIGH OIL TEMPERATUREE87-10E87-0DB7-2DB6-23719 16Browse all Winco fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for SPN 652 FMI 5 on your specific Winco unit — cited to the OEM manual, not a forum guess.TRY IT FREE