Fault Codes/Cummins/153Cummins153UnclassifiedGeneralWhat This Code MeansIntake manifold temperature sensor out of range high warningPossible Causes•1301 control is not in Auto mode•Intake manifold temperature sensor out of range (OOR), high•The engine controller has sensed a fault condition and is broadcasting the fault messageSuggested Actions1Consult the engine service manualRelated Cummins Fault Codes154195150205147212141213135214115216Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 153 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 153GET THE ANSWERFree account required — we'll bring your question with you.