Fault Codes/Cummins/1922Cummins1922UnclassifiedGeneralWhat This Code MeansWarning lamp active; Displayed message: GENSET CRITICAL CALL TECHNICIANPossible Causes•Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But Above Normal Operating Range - Most Severe LevelSuggested Actions1Call Cummins technician to clear the faultRelated Cummins Fault Codes196519941921211219152335185523361853234218472358Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 1922 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 1922GET THE ANSWERFree account required — we'll bring your question with you.