Fault Codes/Cummins/2964Cummins2964UnclassifiedGeneralWhat This Code MeansEngine overheating; Intake manifold temperature highPossible Causes•Higher ambient temperature•Increase in load•The engine controller has sensed a fault condition and is broadcasting the fault messageSuggested Actions1Consult the engine service manualRelated Cummins Fault Codes297731312945518629445187294356692942659829119115Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 2964 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 2964GET THE ANSWERFree account required — we'll bring your question with you.