Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 2049
FMI: 9

Description: J1939 Message is Missing from Source Address 49 (dec)
Troubleshooting:
DESCRIPTION:
J1939 message is missing from source address 49 (dec).
MONITORED PARAMETER:
CAN communication
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
None
ENGINE REACTION:
None
VERIFICATION:
Ignition cycle
POSSIBLE CAUSES:
1. Battery voltage.
2. Faulty Controller Area Network (CAN) line.
3. CPC needs reprogramming.
4. CPC needs proper configuration.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 2361
FMI: 1

Description: Low Air Flow
Troubleshooting:
DESCRIPTION:
This fault code sets when the engine is in smoke mode control for an excess amount of time
due to inadequate clean airflow into the engine.
MONITORED PARAMETER:
Smoke mode operation.
TYPICAL ENABLING CONDITIONS:
1. General enabling condition: engine is in smoke mode.
2. Specific Enabling Conditions:
Engine Parameter Min
Engine Coolant Outlet Temperature 65°C (149°F)
Barometric Pressure (mbar) 755
Ambient Temperature -8°C (18°F)
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
13 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Once engine is at standard operating temperature, operate engine on highway, coast for 30
seconds and then snap throttle and keep throttle at 100% for a minimum of 15 seconds.
POSSIBLE CAUSES:
1. Faulty MCM.
2. Damaged or corroded intake manifold pressure sensor electrical connector.
3. Faulty intake manifold pressure sensor.

4. Faulty EGR Delta Pressure sensor and the pigtail.
5. Faulty DOC inlet pressure sensor.
6. Faulty turbocharger.
7. Faulty ATD.
8. Dirty EGR system components .
9. Faulty hose sensor.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 2596
FMI: 9

Description: J1939 CM1 Message (Maximum Vehicle Speed Limit) is Missing or Not Available
Troubleshooting:
DESCRIPTION:
Maximum vehicle speed limit is missing.
MONITORED PARAMETER:
J1939 powertrain message.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Key on, engine on.
POSSIBLE CAUSES:
1. Faulty Controller Area Network (CAN) line.
2. CPC needs proper configuration.
3. Faulty CPC.
4. CPC needs reprogramming.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 2623
FMI: 2

Description: Accelerator Pedal “In-Range” Fault
Troubleshooting:
DESCRIPTION:
Pedal position sensors deviation too high.
MONITORED PARAMETER:
1. GAS1
2. GAS2
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
None
ENGINE REACTION:
None
VERIFICATION:
Key cycle – ignition ON.
POSSIBLE CAUSES:
1. CPC needs proper configuration.
2. CPC needs reprogramming.
3. Damaged pins.
4. Bent pins.
5. Spread pins.
6. Corroded pins.
7. Damaged connector.
8. Faulty wiring.
9. Faulty AP.