Fault Codes/Cummins/1846Cummins1846UnclassifiedGeneralWhat This Code MeansEvent; Shutdown; WarningPossible Causes•The engine controller has sensed a fault condition and is broadcasting the fault message•Water in fuel sensor is out of range (OOR), lowSuggested Actions1Consult the engine service manualRelated Cummins Fault Codes184718531845185516891915154119211540192215171965Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 1846 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 1846GET THE ANSWERFree account required — we'll bring your question with you.