Fault Codes/Cummins/286Cummins286UnclassifiedGeneralWhat This Code MeansEvent; Shutdown; WarningPossible Causes•Engine control module configuration error•Engine control module out of calibration•The engine controller has sensed a fault condition and is broadcasting the fault messageSuggested Actions1Consult the engine service manualRelated Cummins Fault Codes379418285425254426252689245911239912Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 286 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 286GET THE ANSWERFree account required — we'll bring your question with you.