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Cummins ISB4.5 CM2150 Fault Code: 3867 PID: SPN: 3364 FMI: 18 Aftertreatment Diesel Exhaust Fluid Quality - Data Valid But Below Normal Operating Range - Moderately Severe Level.

Cummins ISB4.5 CM2150 Fault Code: 3868 PID: SPN: 3364 FMI: 9 Aftertreatment Diesel Exhaust Fluid Quality - Abnormal Update Rate.

Cummins ISB4.5 CM2150 Fault Code: 3876 PID: SPN: 3364 FMI: 7 Aftertreatment Diesel Exhaust Fluid Quality - Mechanical System Not Responding or Out of Adjustment.

Cummins ISB4.5 CM2150 Fault Code: 3877 PID: SPN: 3364 FMI: 12 Aftertreatment Diesel Exhaust Fluid Quality - Bad Intelligent Device or Component.

Cummins ISB4.5 CM2150 Fault Code: 3878 PID: SPN: 3364 FMI: 2 Aftertreatment Diesel Exhaust Fluid Quality - Data Erratic, Intermittent, or Incorrect.

Cummins ISB4.5 CM2150 Fault Code: 3879 PID: SPN: 3364 FMI: 0 Aftertreatment Diesel Exhaust Fluid Quality - Data Valid But Above Normal Operating Range - Most Severe Level.

Cummins ISB4.5 CM2150 Fault Code: 4138 PID: SPN: 1746 FMI: 9 Security Device - Abnormal Update Rate.

Cummins ISB4.5 CM2150 Fault Code: 4139 PID: SPN: 1746 FMI: 2 Security Device - Data Erratic, Intermittent, or Incorrect.

Cummins ISB4.5 CM2150 Fault Code: 4284 PID: SPN: 5793 FMI: 9 Desired Engine Fueling State - Abnormal Update Rate.

Cummins ISB4.5 CM2150 Fault Code: 4484 PID: SPN: 4484 FMI: 7 Engine Air Shutoff Circuit - Mechanical System Not Responding or Out of Adjustment.