DESCRIPTION:Diesel Exhaust Fluid (DEF) pump supply current high. MONITORED PARAMETER:DEF pump supply current. TYPICAL ENABLING CONDITIONS:1. Dosing enabled.2. Ambient temperature is greater than 0°C (32°F) or dosing enabled.3. Ambient temperature is less than -5°C (23°F).4. DEF Pump/Tank heater is commanded on. MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when enabling conditions met. TYPICAL DURATION:Two seconds DASH LAMPS:1. MIL2. CEL ENGINE REACTION:Derate 25% VERIFICATION:SCR ADS self check. PROBABLE CAUSES:1. DEF pump harness connector/wiring.2. DEF pump failure.

DESCRIPTION:Exhaust Gas Recirculation (EGR) cooler low efficiency. MONITORED PARAMETER:Intake manifold and charge air cooler outlet temperature sensors. TYPICAL ENABLING CONDITIONS:1. Coolant temperature greater than 70°C (158°F)2. Engine running greater than 5 minutes. MONITOR SEQUENCE:None EXECUTION FREQUENCY:Always enabled TYPICAL DURATION:10 DASH LAMPS:1. MIL2. CEL ENGINE REACTION:Derate 10% VERIFICATION:1. Start engine.2. Warm up such that coolant temperature greater than 70°C (158°F).3. Run engine greater than 5 minutes. NOTE: If there are any cooling system related issues, fix those first. PROBABLE CAUSES:1. Intake manifold air temperature sensor.2. Intake manifold air temperature sensor connector/harness.3. EGR system leaks (Look for soot).4. Remove the EGR hot...

DESCRIPTION:Exhaust Gas Recirculation (EGR) cooler performance monitor. MONITORED PARAMETER:Intake manifold temperature sensor. TYPICAL ENABLING CONDITIONS:1. Engine running greater than 5 minutes.2. EGR mass flow greater than .08.3. Intake manifold temperature less than 125°C (257°F).4. Engine speed 1200-2500 rpm.5. Engine torque 500-2500 N·m.6. Coolant temperature greater than 65°C (149°F).7. Ambient temperature less than 45°C (113°F) ambient.8. Coolant temperature greater than 65°C (149°F).9. Ambient temperature greater than -8°C (17.6°F) ambient.10. Barometric pressure greater than 755 mbar (10.95 psi). MONITOR SEQUENCE:None EXECUTION FREQUENCY:Always enabled TYPICAL DURATION:30 DASH LAMPS:MIL VERIFICATION:1. When ambient temperature less than 45°C (113°F).2. Start engine.3. Warm up such that coolant...

DESCRIPTION:High side digital output circuit shorted to power. MONITORED PARAMETER:High sided digital output. TYPICAL ENABLING CONDITIONS:Always on MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when enabling conditions met. TYPICAL DURATION:2 Seconds DASH LAMPS:1. MIL2.CEL ENGINE REACTION:None VERIFICATION:Key Cycle NOTE: The supply voltage circuit is networked internal of the Aftertreatment Control Module (ACM). This circuit supplies voltage to the Coolant Valve, Purge-in-process indicator (if equipped), and the Inlet NOx sensor. A short to power on any one of those circuits will set this fault code. PROBABLE CAUSES:1. Coolant valve connector/harness.2. Failed ACM (Aftertreatment Control Module).

DESCRIPTION:High side digital output circuit shorted low. MONITORED PARAMETER:High side digital output. TYPICAL ENABLING CONDITIONS:Always on MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when enabling conditions met. TYPICAL DURATION:Two seconds DASH LAMPS:1. MIL2. CEL ENGINE REACTION:None VERIFICATION:Key cycle NOTE: The supply voltage circuit is networked internal of the Aftertreatment Control Module (ACM). This circuit supplies voltage to the Coolant Valve, Purge-in-Process indicator (if equipped), and the Inlet NOx sensor. A short on any one of those circuits will set this fault code. PROBABLE CAUSES:1. Coolant valve connector/harness.2. Failed ACM (Aftertreatment Control Module).