Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 4077
FMI: 0
Description: High Doser Fuel Line Pressure
Troubleshooting:
DESCRIPTION:
Hydrocarbon (HC) doser fuel line pressure high.
MONITORED PARAMETER:
Hydrocarbon (HC) Doser fuel line pressure.
TYPICAL ENABLING CONDITIONS:
Dosing enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met
TYPCIAL DURATION:
1 minute
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 10%
VERIFICATION:
Parked regeneration
POSSIBLE CAUSES:
1. Faulty Fuel Doser Injector Valve.
2. Cavity in the flanged manifold/S-pipe needs cleaning.
3. Faulty Hydrocarbon Fuel Doser Block.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 4077
FMI: 3
Description: Doser Fuel Line Pressure Sensor Circuit Failed High
Troubleshooting:
DESCRIPTION:
This fault code sets when the Motor Control Module (MCM) detects that the Hydrocarbon (HC)
Doser Fuel Line Pressure (FLP) Sensor Circuit is failed high.
MONITORED PARAMETER:
Hydrocarbon (HC) Doser fuel line pressure sensor.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
2 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
Engine Idle (1 minute).
POSSIBLE CAUSES:
1. Faulty wiring.
2. Faulty Motor Control Module (MCM).
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 4077
FMI: 4
Description: Doser Fuel Line Pressure Sensor Circuit Failed Low
Troubleshooting:
DESCRIPTION:
This fault code sets when the motor control module (MCM) detects that the hydrocarbon (HC)
doser fuel line pressure (FLP) sensor circuit is failed low.
MONITORED PARAMETER:
Hydrocarbon (HC) Doser fuel line pressure sensor.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
2 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
Engine idle: 1 minute.
POSSIBLE CAUSES:
1. Faulty wiring.
2. Faulty hydrocarbon doser block.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 4077
FMI: 14
Description: Doser Fuel Line Pressure Failed Self-Test
Troubleshooting:
DESCRIPTION:
This fault will set when the doser line pressure is less than 20.6 kPa (3 psi), once all conditions
are met.
MONITORED PARAMETER:
Doser fuel line pressure.
TYPICAL ENABLING CONDITIONS:
1. Dosing enabled.
2. Diesel oxidation catalyst (DOC) inlet temperature is 270°C (518°F).
3. Engine speed is greater than 550 rpm but less than 2500 rpm.
4. Engine torque is greater than 1000 nm (737.5 lb ft) but less than 3000 nm (2213 lb ft).
5. All conditions must be met for at least seven seconds.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Once per drive cycle.
TYPCIAL DURATION:
Seven seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
1. Derate 10%.
2. Diesel particulate filter (DPF) inhibit regeneration.
VERIFICATION:
Parked regeneration
NOTE: This fault code may have been caused by an exceeded
temperature threshold due to a small capacity single fuel tank
and extended PTO mode operation.
POSSIBLE CAUSES:
1. Faulty wiring.
2. External leaks in the HC doser block assembly, dosing fuel line
and fuel doser injector valve.
3. Faulty Hydrocarbon Doser Fuel Injector Valve.
4. Cavity in the flanged manifold/S-pipe needs cleaning.