Cummins Fault Codes list for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 engines See also: Cummins Engine non-EGR Fault Codes To determine the malfunction, you just need to write out the fault code from the device in the cab and find the codes in the table by selecting your own engine type.Show 102550100 entriesSearch: FAULT CODE (LAMP) […]