Cummins ISC CM2150 (2007-09) Fault Code: 649 PID: SID 115 SPN: 1378 FMI: 11 Engine Oil Change Interval – Condition Exists. Change engine oil and filter.

Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, recalibrate the ECM.

This fault code will only become active if the Maintenance Monitor is enabled in INSITE™ electronic service tool. Make sure that the oil and filter are changed before clearing the fault.

Possible repairs:

1)Change the engine lubricating oil and filter.