Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 520363
FMI: 5
Description: Selective Catalyst Reduction Inlet NOx Sensor Circuit Failed Open
Troubleshooting:
DESCRIPTION:
This code sets when there is an open on the SCR Inlet NOx circuit between the sensor and the
ECU.
MONITORED PARAMETER:
SCR Inlet NOx sensor.
TYPICAL ENABLING CONDITIONS:
Dewpoint enabled.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
3 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERFICATION:
Parked regen
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Corroded pins.
4. Faulty SCR Inlet NOx sensor.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 520364
FMI: 3
Description: Selective Catalyst Reduction Inlet NOx Sensor Circuit Failed High
Troubleshooting:
DESCRIPTION:
This code sets when there is a short to power on the SCR Inlet NOx Circuit between the
sensor and the ECU.
MONITORED PARAMETER:
SCR Inlet NOx sensor.
TYPICAL ENABLING CONDITIONS:
Dewpoint enabled.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
3 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERFICATION:
Parked regen
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Corroded pins.
4. Faulty SCR Inlet NOx sensor.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 520365
FMI: 3
Description: Selective Catalyst Reduction Outlet NOx Sensor Circuit Failed High
Troubleshooting:
DESCRIPTION:
This code sets when there is a short to power on the SCR Inlet NOx Circuit between the
sensor and the ECU.
MONITORED PARAMETER:
SCR Inlet NOx sensor.
TYPICAL ENABLING CONDITIONS:
Dewpoint enabled.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
3 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
10% Derate
VERFICATION:
Parked regen
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Corroded pins.
4. Faulty SCR Inlet NOx sensor.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 520365
FMI: 5
Description: Selective Catalyst Reduction Outlet NOx Sensor Circuit Failed Open
Troubleshooting:
DESCRIPTION:
This code sets when there is a short to power on the SCR Inlet NOx Circuit between the
sensor and the ECU.
MONITORED PARAMETER:
SCR Inlet NOx sensor.
TYPICAL ENABLING CONDITIONS:
Dewpoint enabled.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
3 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
10% Derate
VERFICATION:
Parked regen
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Corroded pins.
4. Faulty SCR Inlet NOx sensor.