Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 247
FMI: 14

Description: Aftertreatment Control Module Reported Ash Mileage is Lower than the Common
Powertrain Controller Stored Value
Troubleshooting:
POSSIBLE CAUSES:
ACM value in DPF ash accumulator.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 411
FMI: 2

Description: Exhaust Gas Recirculation Delta P Sensor Out of Calibration
Troubleshooting:
DESCRIPTION:
EGR delta pressure sensor out of calibration.
MONITORED PARAMETER:
EGR delta pressure.
TYPICAL ENABLING CONDITIONS:
Coolant temperature greater than 176°F.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
15 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
1. Coolant temperature greater than 176°F.
2. Engine off for 15 seconds.
3. Key on.
POSSIBLE CAUSES:
1. Faulty wiring.
2. Blocked EGR delivery pipe delta P pressure ports.
3. Loose pins.
4. Bent pin.
5. Spread pins.
6. Corroded pins.
7. Faulty EGR delta P sensor.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 411
FMI: 3

Description: EGR Delta Pressure Sensor Circuit Failed High
Troubleshooting:
DESCRIPTION:
This fault code sets when there is a short to ground on the signal return circuit.
MONITORED PARAMETER:
EGR delta pressure sensor return signal.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
2 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Engine idle (1 minute).
POSSIBLE CAUSES:
1. Damaged or corroded EGR Delta P sensor electrical connector.
2. Faulty EGR Delta P sensor.
3. Damaged MCM connector.
4. Faulty MCM.
5. Faulty wiring.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 411
FMI: 4

Description: EGR Delta Pressure Sensor Circuit Failed Low
Troubleshooting:
DESCRIPTION:
This fault code sets when there is an open in the voltage supply circuit, an open or short to
ground on the signal return circuit.
MONITORED PARAMETER:
EGR delta pressure sensor return signal.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Engine idle: one minute.
POSSIBLE CAUSES:
1. Faulty EGR Delta P sensor.
2. Faulty EGR Delta P sensor electrical connector.
3. Damaged pins.
4. Damaged connector.
5. Faulty wiring.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 411
FMI: 13

Description: EGR Delta Pressure Sensor Out of Calibration
Troubleshooting:
DESCRIPTION:
EGR delta pressure sensor out of calibration.
MONITORED PARAMETER:
EGR delta pressure.
TYPICAL ENABLING CONDITIONS:
Coolant temperature greater than 176°F.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
15 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
1. Coolant temperature greater than 176°F.
2. Engine off for 15 seconds.
3. Key on.
POSSIBLE CAUSES:
1. Faulty wiring.
2. Blocked EGR delivery pipe delta P pressure ports.
3. Loose pins.
4. Bent pins.
5. Spread pins.
6. Corroded pins.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 513
FMI: 9

Description: Actual Torque Signal Not Available via CAN
Troubleshooting:
POSSIBLE CAUSES:
Aftertreatment Control Module (ACM), Motor Control Module (MCM), or Common Powertrain
Controller (CPC) needs reprogramming.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 520
FMI: 1

Description: Reduced Engine Brake Power
Troubleshooting:
DESCRIPTION:
This fault code sets when the engine brake power has been limited to prevent engine damage
due to a fault in the Exhaust Gas Recirculation (EGR), intake or aftertreatment system.
MONITORED PARAMETER:
Engine brake
TYPICAL ENABLING CONDITIONS:
Engine brake request active.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
2 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Based on other fault codes present.
VERIFICATION:
Road test vehicle using engine brakes.
NOTE: This fault code is an information fault code that sets when there is a fault with the EGR,
intake or aftertreatment system.
POSSIBLE CAUSES:
Faulty MCM