Fault Codes/KOHLER CO./23KOHLER CO.23UnclassifiedEmissionsWhat This Code MeansEngine will not runPossible Causes•ECU internal memory problem•Internal ECU failureSuggested Actions1Diagnosable only through the elimination of all other system/component faultsRelated KOHLER CO. Fault Codes2431223221333B342B421B43Browse all KOHLER CO. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 23 on your specific KOHLER CO. unit — cited to the OEM manual, not a forum guess.Your question about 23GET THE ANSWERFree account required — we'll bring your question with you.