Reason:Aftertreatment Doser – Data Erratic, Intermittent, or Incorrect. An internal or external fuel leak has been detected in the aftertreatment...

Reason:ECU Power Output Supply Voltage 1 – Data Valid But Below Normal Operational Range – Moderately Severe Level. Low battery...

Reason:EGR Valve Control Circuit Calculated Over Temperature – Data Valid But Above Normal Operational Range – Least Severe Level. High...

Reason:Coolant Level – Data Valid But Below Normal Operational Range – Moderately Severe Level. Low engine coolant level detected. Effect:Possible...

Reason:Crankcase Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level. The crankcase breather filter requires maintenance....

Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable...