Fault Codes/Cummins/254Cummins254UnclassifiedGeneralWhat This Code MeansFuel shutoff valve driver failed warningPossible Causes•Engine Fuel Shutoff Valve Driver Circuit voltage below normal or shortedRelated Cummins Fault Codes285286252379245418239425238426236689Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 254 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 254GET THE ANSWERFree account required — we'll bring your question with you.