Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3662
FMI: 4

Description: Injector Cylinder #4 Amplifier Control Valve Abnormal Operation(MIN)
Troubleshooting:
DESCRIPTION:
Injector cylinder #4 amplifier control valve abnormal operation (MIN).
MONITORED PARAMETER:
Injector cylinder #4 amplifier control valve.
TYPICAL ENABLING CONDITIONS:
Fis_nop_act greater than 1.85.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Engine rpm 1400-1500 (one minute).
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Damaged connector seals.
4. Faulty front fuel injector harness.
5. Faulty fuel injector with the out-of-range resistance.
6. Faulty engine side harness.
7. Faulty MCM.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3662
FMI: 5

Description: Injector Cylinder #4 Amplifier Control Valve Abnormal Operation (Open)
Troubleshooting:
DESCRIPTION:
Injector cylinder #4 amplifier control valve abnormal operation (Open).
MONITORED PARAMETER:
Injector cylinder #4 amplifier control valve.
TYPICAL ENABLING CONDITIONS:
Fis_nop_act greater than 1.85.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Engine rpm 1400-1500 (one minute).
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Damaged connector seals.
4. Faulty front fuel injector harness.
5. Faulty fuel injector with the out-of-range resistance.
6. Faulty engine side harness.
7. Faulty MCM.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3662
FMI: 6

Description: Injector Cylinder #4 Amplifier Control Valve – Valve Shorted Circuit
Troubleshooting:
DESCRIPTION:
Injector cylinder #4 amplifier control valve, valve shorted circuit.
MONITORED PARAMETER:
Injector cylinder #4 amplifier control valve.
TYPICAL ENABLING CONDITIONS:
Fis_nop_act greater than 1.85.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Engine rpm 1400 – 1500 (one minute).
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Damaged connector seals.
4. Faulty front fuel injector harness.
5. Faulty fuel injector with the out-of-range resistance.
6. Faulty engine side harness.
7. Faulty MCM.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3663
FMI: 3

Description: Injector Cylinder #5 Amplifier Control Valve Abnormal Operation (MAX)
Troubleshooting:
DESCRIPTION:
Injector cylinder #5 amplifier control valve abnormal operation.
MONITORED PARAMETER:
Injector cylinder #5 amplifier control valve.
TYPICAL ENABLING CONDITIONS:
Fis_nop_act greater than 1.85.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Engine rpm 1400 – 1500 (one minute).
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Damaged connector seals.
4. Faulty front fuel injector harness.
5. Faulty fuel injector with the out-of-range resistance.
6. Faulty engine side harness.
7. Faulty MCM.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3663
FMI: 4

Description: Injector Cylinder #5 Amplifier Control Valve Abnormal Operation (MIN)
Troubleshooting:
DESCRIPTION:
Injector cylinder #5 Amplifier control valve abnormal operation (MIN).
MONITORED PARAMETER:
Injector cylinder #5 amplifier control valve.
TYPICAL ENABLING CONDITIONS:
Fis_nop_act greater than 1.85.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 25%
VERIFICATION:
Engine rpm 1400 – 1500 (one minute).
POSSIBLE CAUSES:
1. Bent pins.
2. Spread pins.
3. Damaged connector seals.
4. Faulty front fuel injector harness.
5. Faulty fuel injector with the out-of-range resistance.
6. Faulty engine side harness.
7. Faulty MCM.