Fault Codes/Cummins/E153CumminsE153UnclassifiedGeneralWhat This Code MeansEquipment shutdownPossible Causes•Low coolant levelRelated Cummins Fault CodesFAIL-TO-SYNCHRONIZE WARNINGH268E125H389E089H669DS8 (RED)H706DS7 (RED)L028DS6 (YELLOW)OFFBrowse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for E153 on your specific Cummins unit — cited to the OEM manual, not a forum guess.TRY IT FREE