Fault Codes/Cummins/75Cummins75UnclassifiedGeneralWhat This Code MeansGenset shutdownPossible Causes•Optional customer selectionRelated Cummins Fault Codes76777481618246834510238103Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 75 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 75GET THE ANSWERFree account required — we'll bring your question with you.