FAULT CODE. 5018. 641-9.

[Aimeesfleetservice]

We have an 07 International Prostar with a ISX . It had a new turbo , new EGR , and a DPF clean out . We are now getting the fault code of 5018 / Application HDS J1939. After treatment 1 diesel oxidation catalyst system SPN : 5018. FMI : 11. Root cause not known that will not clear ------- we also had Fault code 641-9 cleared easy ------ anyone been here and done this ?? We are learning daily about these engines . Many thanks to all .... Aimee