Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3242
FMI: 17
Description: Diesel Oxidation Catalyst Inlet Temperature Out of Range Low Preventing HC
Dosing
Troubleshooting:
DESCRIPTION:
DOC inlet temperature less than 518 degrees Fahrenheit, preventing HC dosing.
MONITORED PARAMETER:
Diesel Oxidation Catalyst (DOC) Inlet Temperature.
TYPICAL ENABLING CONDITIONS:
Coolant temperature greater than 60°C (140°F).
MONITOR SEQUENCE:
Continuous when enabling conditions met
TYPCIAL DURATION:
One minute
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate
VERIFICATION:
Parked regen
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Corroded pins.
4. Faulty wiring.
5. Faulty DOC inlet temperature sensor.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3242
FMI: 20
Description: Diesel Oxidation Catalyst Temperature Drift – Inlet High or Outlet Low
Troubleshooting:
DESCRIPTION:
70 C (126 F) Difference during non-regeneration mode.
MONITORED PARAMETER:
Diesel Oxidation Catalyst (DOC) Inlet.
TYPICAL ENABLING CONDITIONS:
1. Coolant temperature greater than 60°C (140°F).
2. Regen not active in last five minutes.
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
One minute
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Regen inhibit and 10% engine derate.
VERIFICATION:
Low temperature regen.
POSSIBLE CAUSES:
1. Faulty DOC inlet temperature sensor.
2. DOC outlet temperature sensor.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3246
FMI: 0
Description: Diesel Particulate Filter Outlet Temperature – Very High
Troubleshooting:
DESCRIPTION:
This code sets when the diesel particulate filter (DPF) outlet temperature is greater than 790°C
(1454°F) for more than two seconds.
MONITORED PARAMETER:
DPF Outlet Temperature sensor.
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions are met.
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
1. CEL
2. MIL
3. SEL
ENGINE REACTION:
25% derate, engine shutdown.
VERIFICATION:
Parked regeneration
POSSIBLE CAUSES:
1. Faulty DPF outlet temperature sensor.
2. Fluid intrusion into the exhaust.
3. Biased input for fuel mapping.
4. Incorrect or over-contributing fuel injectors.
5. Restricted air filter.
6. Incorrect camshaft timing.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3246
FMI: 2
Description: DPF Outlet Temperature Not Plausible
Troubleshooting:
DESCRIPTION:
This fault sets if the diesel particulate filter (DPF) outlet temperature is 70°C (126°F) higher
compared to all aftertreatment temperature sensors after 8 hours cold soak.
MONITORED PARAMETER:
DPF Outlet Temperature versus all other ATS temperature sensors.
TYPICAL ENABLING CONDITIONS:
1. Engine off for more than 8 hours.
2. Battery voltage greater than 10.98 V.
3. Ignition on longer than 60 seconds.
MONITOR SEQUENCE:
1. Key on.
2. Engine off for more than 60 seconds.
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
2 seconds
DASH LAMPS:
MIL
ENGINE REACTION:
None
VERIFICATION:
Ignition off/8 hours cold soak.
POSSIBLE CAUSES:
1. Spread pins.
2. Damaged pins.
3. Corroded pins.
4. Pins with signs of fretting.
5. Faulty DPF outlet temperature sensor.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3246
FMI: 3
Description: Diesel Particulate Filter Outlet Temperature Sensor Circuit Failed High
Troubleshooting:
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Corroded pins.
4. Faulty DPF outlet temperature sensor.
5. Faulty wiring.