Cummins ISC CM2150 (2007-09) Fault Code: 143 PID: 100 SPN: 100 FMI: 1 Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level. Engine oil pressure signal indicates engine oil pressure is below the engine protection warning limit.

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.

This fault code goes active when the engine oil pressure drops below the engine protection limit. Troubleshoot the engine for low oil pressure.

1)If necessary, recalibrate the ECM.