27 July, 2025 Cummins ISX11.9 CM2250 (2010-12) Fault Code: 346 (MD) PID: SID 253 SPN: 630 FMI: 12 Engine Control Module Calibration Memory Software- Bad Intelligent Device or Component Circuit DescriptionThe Original Equipment Manufacturer (OEM) wiring harness connects multiple outputs or switched inputs to the ECM. They can be...