Fault Codes/Cummins/223Cummins223UnclassifiedGeneralWhat This Code MeansShutdown fault codes announced with a local status lamp indicatorPossible Causes•Nature of fault determined by optional customer selection•Optional customer selectionSuggested Actions1Change values using the Genset Setup menus (page 5-30) if authorized2Refer to the Battle Short Mode description on page 3-42Related Cummins Fault Codes224225222226 THRU 233221234220236219238218239Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 223 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 223GET THE ANSWERFree account required — we'll bring your question with you.