Series 60 DDEC VI Troubleshooting – Section 18.2 Engine Manufacturer Diagnostics Parameter Descriptions

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Section 18.2
Engine Manufacturer Diagnostics Parameter Descriptions

The following tables contain the Engine Manufacturer Diagnostic (EMD) descriptions as mandated by the U.S. government.‪

SPN 27/FMI 3 "19.1 SPN 27/FMI 3" ‪
Description‪	EGR Valve Position Circuit Failed High, voltage of sensor > 4.7 V‪
Monitored Parameter‪	EGR Valve Position Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 27/FMI 4 "19.2 SPN 27/FMI 4" ‪
Description‪	EGR Valve Position Circuit Failed Low, voltage of sensor < 0.25 V‪
Monitored Parameter‪	EGR Valve Position Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 27/FMI 7 "19.3 SPN 27/FMI 7" ‪
Description‪	EGR Valve Stuck Open, EGR Valve Position 10%‪
Monitored Parameter‪	EGR Valve‪
Typical Enabling Conditions‪	SPN 2791/FMI 7 Active‪
Monitor Sequence‪	SPN 2791/FMI 7 Active‪
Execution Frequency‪	Set‪
Typical Duration‪	2 seconds‪

SPN 51/FMI 2 "7.1 SPN 51/FMI 2" ‪
Description‪	Intake Throttle Position Feedback Rationality, difference between commanded and actual > 15%‪
Monitored Parameter‪	Intake Air Throttle (Position Sensor)‪
Typical Enabling Conditions‪	Engine coolant temperature > 60°C‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	5 seconds‪

SPN 51/FMI 3 "7.2 SPN 51/FMI 3" ‪
Description‪	Intake Air Throttle Circuit Failed High, voltage of sensor > 4.9 V‪
Monitored Parameter‪	Intake Air Throttle Position Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 51/FMI 4 "7.3 SPN 51/FMI 4" ‪
Description‪	Intake Air Throttle Circuit Failed Low, voltage of sensor < 0.4 V‪
Monitored Parameter‪	Intake Air Throttle Position Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 103/FMI 0 "27.1 SPN 103/FMI 0" ‪
Description‪	Turbo Charger Speed Above Threshold (Low Box),‪ turbocharger speed >50000 RPM‪
Monitored Parameter‪	Turbocharger Speed‪
Typical Enabling Conditions‪	RPM: 575–650, Torque: –100–150 N·m‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	10 seconds every second drive cycle‪

SPN 103/FMI 1 "27.2 SPN 103/FMI 1" ‪
Description‪	Turbo Charger Speed Below Threshold (High Box),‪ turbocharger speed < 35000 RPM‪
Monitored Parameter‪	Turbocharger Speed‪
Typical Enabling Conditions‪	RPM: 1400–1700,Torque: 1400–2300 N·m‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	10 seconds every second drive cycle‪

SPN 108/FMI 3 "28.1 SPN 108/FMI 3" ‪
Description‪	Barometric Pressure Circuit Failed High, voltage of sensor > 4.5 V‪
Monitored Parameter‪	Barometric Pressure Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 108/FMI 4 "28.2 SPN 108/FMI 4" ‪
Description‪	Barometric Pressure Circuit Failed Low, voltage of sensor < 1.8 V‪
Monitored Parameter‪	Barometric Pressure Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 110/FMI 3 "29.2 SPN 110/FMI 3" ‪
Description‪	Engine Coolant Outlet Temperature Circuit Failed High,‪ voltage of sensor > 2.9 V‪
Monitored Parameter‪	Engine Coolant Outlet Temperature Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 110/FMI 4 "29.3 SPN 110/FMI 4" ‪
Description‪	Engine Coolant Outlet Temperature Circuit Failed Low,‪ voltage of sensor < 0.10 V‪
Monitored Parameter‪	Engine Coolant Outlet Temperature Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 110/FMI 14 "29.4 SPN 110/FMI 14" ‪
Description‪	Engine Coolant Temperature / Engine Oil Temperature Rationality Fault, Oil temp - Coolant temp 40°C‪
Monitored Parameter‪	Engine Coolant Temperature Sensor‪
Typical Enabling Conditions‪	Engine Oil Temperature > 75°C, engine on time > 1200 seconds‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	30 seconds every second drive cycle‪

SPN 132/FMI 1 "31.1 SPN 132/Fmi1" ‪
Description‪	Desired air mass flow is less than actual‪
Monitored Parameter‪	Air Mass Flow‪
Typical Enabling Conditions‪	Air Mass Flow > 0.167 kg/s‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	45 seconds‪

SPN 175/FMI 3 "35.1 SPN 175/FMI 3" ‪
Description‪	Engine Oil Temperature Circuit Failed High,‪ voltage of sensor > 2.9677 V‪
Monitored Parameter‪	Engine Oil Temperature Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 175/FMI 4 "35.2 SPN 175/FMI 4" ‪
Description‪	Engine Oil Temperature Circuit Failed Low, voltage of sensor < 0.1026 V‪
Monitored Parameter‪	Engine Oil Temperature Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 175/FMI 14 "35.3 SPN 175/FMI 14" ‪
Description‪	Engine Oil Temperature Sensor Rationality Fault,‪ voltage of sensor < 0.1026 V‪
Monitored Parameter‪	Engine Oil Temperature Sensor‪
Typical Enabling Conditions‪	Engine coolant temperature out > 71°C, engine on time > 1200 seconds‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	30 seconds every second drive cycle‪

SPN 411/FMI 0 "39.1 SPN 411/FMI 0" ‪
Description‪	EGR Differential Pressure Failed (Low Box),‪ voltage of sensor < 0.15 mbar‪
Monitored Parameter‪	EGR Delta Pressure Sensor‪
Typical Enabling Conditions‪	Time at conditions > 120 seconds‪ EGR position demand < 5%‪ RPM: 575–650, Torque: –100–150 N·m‪ Engine run time > 10 seconds‪ Time above Engine Coolant Temperature threshold > 60 seconds‪ Engine Coolant Temperature > 80°C‪ Engine Oil Temperature > 80°C‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	30 seconds‪

SPN 411/FMI 3 "39.2 SPN 411/FMI 3" ‪
Description‪	EGR Delta Pressure Sensor Circuit High, EGR Delta P > 12 mbar‪
Monitored Parameter‪	EGR Delta Pressure Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 411/FMI 4 "39.3 SPN 411/FMI 4" ‪
Description‪	EGR Delta Pressure Sensor Circuit Low, voltage of sensor < 0.15 V‪
Monitored Parameter‪	EGR Delta Pressure Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 412/FMI 3 "40.1 SPN 412/FMI 3" ‪
Description‪	EGR Temperature Sensor Circuit Failed High, voltage of sensor >, 2.9 V‪
Monitored Parameter‪	EGR Temperature Sensor‪
Typical Enabling Conditions‪	EGR on time > 120 seconds‪ Intake manifold temperature > 30°C‪ EGR flow demanded‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	2 seconds‪

SPN 412/FMI 4 "40.2 SPN 412/FMI 4" ‪
Description‪	EGR Temperature Sensor Circuit Failed Low, voltage of sensor <, 0.1 V‪
Monitored Parameter‪	EGR Temperature Sensor‪
Typical Enabling Conditions‪	Always Enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 625/FMI 2 "52.1 SPN 625/FMI 2" ‪
Description‪	No Data Received from Engine CAN Link‪
Monitored Parameter‪	CAN Communication between CPC and MCM‪
Typical Enabling Conditions‪	CAN communication status = missing‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	1 second‪

SPN 625/FMI 2 "52.1 SPN 625/FMI 2" ‪
Description‪	Invalid Data on Engine CAN link‪
Monitored Parameter‪	CAN Communication between CPC and MCM‪
Typical Enabling Conditions‪	CAN communication status = error‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	1 second‪

SPN 625/FMI 9 "52.3 SPN 625/FMI 9" ‪
Description‪	MCM Diagnostic Message Missing‪
Monitored Parameter‪	MCM_CPC CAN Bus‪
Typical Enabling Conditions‪	Diagnostic Message From MCM No Longer Being Received by CPC = missing‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	7.5 seconds‪

SPN 625/FMI 9 "52.3 SPN 625/FMI 9" ‪
Description‪	No MCM Connection‪
Monitored Parameter‪	MCM_CPC CAN Bus‪
Typical Enabling Conditions‪	Incorrect MCM System ID Received =missing‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	2 seconds‪

SPN 625/FMI 9 "52.3 SPN 625/FMI 9" ‪
Description‪	No ECAN Data‪
Monitored Parameter‪	MCM_CPC CAN Bus‪
Typical Enabling Conditions‪	MCM system ISD not Received or stopped arriving =missing‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	0‪

SPN 625/FMI 10 ‪
Description‪	MCM Diagnostic Message Implausible‪
Monitored Parameter‪	MCM_CPC CAN Bus‪
Typical Enabling Conditions‪	Diagnostic Message Inconsistent Number of Frames Received by CPC From MCM = implausible‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	7.5 seconds‪

SPN 625/FMI 13 ‪
Description‪	MCM Diagnostic Message Missing‪
Monitored Parameter‪	MCM_CPC CAN Bus‪
Typical Enabling Conditions‪	Diagnostic Message From MCM Not Received by CPC This Ignition Cycle =missing‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always Enabled‪
Typical Duration‪	7.5 seconds‪

SPN 636/FMI 2 ‪
Description‪	Incorrect Match of Camshaft and Crankshaft Signals‪
Monitored Parameter‪	Camshaft and Crankshaft Position Sensor‪
Typical Enabling Conditions‪	Incorrect tooth ratio detected for longer than 3 rotations‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	2 seconds‪

SPN 636/FMI 8 "56.5 SPN 636/FMI 8" ‪
Description‪	Crankshaft Position Sensor Time Out‪
Monitored Parameter‪	Crankshaft Position Sensor‪
Typical Enabling Conditions‪	No CRK-event happened within a defined period, engine speed > 400 RPM, time > 1.2 seconds‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	2 seconds‪

SPN 641/FMI 7 "57.1 SPN 641/FMI 7" ‪
Description‪	Turbo Actuator, Failsafe Mode, Motor On, Command signal from MCM, vane position status = missing, = error‪
Monitored Parameter‪	Turbocharger- VGT Actuator‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	7 seconds‪

SPN 641/FMI 9 "57.3 SPN 641/FMI 9" ‪
Description‪	Turbo Actuator, Failsafe Mode, Motor Off, motor failure or position reference missing = error‪
Monitored Parameter‪	Turbocharger- VGT Actuator‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	1 second‪

SPN 641/FMI 11 "57.4 SPN 641/FMI 11" ‪
Description‪	Turbo Actuator, Restricted Operability, slow response, high effort, low voltage or position error > 100%‪
Monitored Parameter‪	Turbocharger- VGT Actuator‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Continuous when enabling conditions are met‪
Typical Duration‪	2 seconds‪

SPN 641/FMI 14 "57.5 SPN 641/FMI 14" ‪
Description‪	Turbo Actuator, No Failsafe Mode, Motor Off, error status = error‪
Monitored Parameter‪	Turbocharger- VGT Actuator‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	7 seconds‪

SPN 651/FMI 6 ‪
Description‪	Injector Cylinder #1 Needle Control Valve, Valve Shorted Circuit, driver status = short circuit‪
Monitored Parameter‪	Fuel Injector - Needle Control Cyl 1‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 651/FMI 14 "59.1 SPN 651/FMI 14" ‪
Description‪	Injector Cylinder #1 Needle Control Valve Abnormal Operation‪
Monitored Parameter‪	Injector Needle Solenoid Cyl 1‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 652/FMI 6 ‪
Description‪	Injector Cylinder #2 Needle Control Valve, Valve Shorted Circuit, driver status = short circuit‪
Monitored Parameter‪	Fuel Injector - Needle Control Cyl 2‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 652/FMI 14 "60.1 SPN 652/FMI 14" ‪
Description‪	Injector Cylinder #2 Needle Control Valve Abnormal Operation‪
Monitored Parameter‪	Injector Needle Solenoid Cyl 2‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 653/FMI 6 ‪
Description‪	Injector Cylinder #3 Needle Control Valve, Valve Shorted Circuit, driver status = short circuit‪
Monitored Parameter‪	Fuel Injector - Needle Control Cyl 3‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 653/FMI 14 "61.1 SPN 653/FMI 14" ‪
Description‪	Injector Cylinder #3 Needle Control Valve Abnormal Operation‪
Monitored Parameter‪	Injector Needle Solenoid Cyl 3‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 654/FMI 6 ‪
Description‪	Injector Cylinder #4 Needle Control Valve, Valve Shorted Circuit, driver status = short circuit‪
Monitored Parameter‪	Fuel Injector - Needle Control Cyl 4‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 654/FMI 14 "62.1 SPN 654/FMI 14" ‪
Description‪	Injector Cylinder #4 Needle Control Valve Abnormal Operation‪
Monitored Parameter‪	Injector Needle Solenoid Cyl 4‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 655/FMI 6 ‪
Description‪	Injector Cylinder #5 Needle Control Valve, Valve Shorted Circuit, driver status = short circuit‪
Monitored Parameter‪	Fuel Injector - Needle Control Cyl 5‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 655/FMI 14 "63.1 SPN 655/FMI 14" ‪
Description‪	Injector Cylinder #5 Needle Control Valve Abnormal Operation‪
Monitored Parameter‪	Injector Needle Solenoid Cyl 5‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 656/FMI 6 ‪
Description‪	Injector Cylinder #6 Needle Control Valve, Valve Shorted Circuit, driver status = short circuit‪
Monitored Parameter‪	Fuel Injector - Needle Control Cyl 6‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
Execution Frequency‪	Always enabled‪
Typical Duration‪	< 5 seconds‪

SPN 656/FMI 14 "64.1 SPN 656/FMI 14" ‪
Description‪	Injector Cylinder #6 Needle Control Valve Abnormal Operation‪
Monitored Parameter‪	Fuel Injector - Needle Control Cyl 6‪
Typical Enabling Conditions‪	Always enabled‪
Monitor Sequence‪	None‪
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