The Mack MP8 engine from 2010–2013 continued to deliver power and reliability for heavy-duty fleets. Built with SCR emissions systems and updated electronics, this generation of MP8 engines balanced performance with stricter emissions standards.

When your truck throws a fault code, having quick access to what it means—and how to fix it—can save valuable time in the shop or on the road. This fault code list will help you reduce guesswork and get trucks back in service faster.

Mack MP8 (2010–2013) Engine Overview

  • Displacement: 12.8L

  • Horsepower Range: 415–505 HP

  • Torque: Up to 1,860 lb-ft

  • Emissions System: SCR + DPF

  • Fuel System: Common Rail

Applications: Mack Pinnacle, Granite, and other Class 8 models.

📍 Get FREE Fault Code Information for all makes and models in Diesel Repair → Diesel Repair

Fault Codes for Mack MP8 (2010–2013)

Fault | PID | SPN | FMI | SID | Title

Fault PID SPN FMI SID Title
SPN 100 FMI 1 100 100 1 Engine Oil Pressure – Data Valid But Below Normal Operational Range
SPN 100 FMI 13 100 100 13 Engine Oil Pressure – Out of Calibration
SPN 100 FMI 15 100 100 15 Engine Oil Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 100 FMI 17 100 100 17 Engine Oil Pressure – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 100 FMI 3 100 100 3 Engine Oil Pressure – Voltage Below Normal, or Shorted Low
SPN 100 FMI 5 100 100 5 Engine Oil Pressure – Current Below Normal or Open Circuit
SPN 102 FMI 12 102 102 12 Engine Intake Manifold 1 Pressure – Bad Intelligent Device or Component
SPN 102 FMI 13 102 102 13 Engine Intake Manifold 1 Pressure – Out of Calibration
SPN 102 FMI 14 102 102 14 Engine Intake Manifold 1 Pressure – Special Instructions
SPN 102 FMI 15 102 102 15 Engine Intake Manifold 1 Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 102 FMI 17 102 102 17 Engine Intake Manifold 1 Pressure – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 102 FMI 2 102 102 2 Engine Intake Manifold 1 Pressure – Data Erratic, Intermittent, or Incorrect
SPN 102 FMI 3 102 102 3 Engine Intake Manifold 1 Pressure – Voltage Above Normal, or Shorted to High Source
SPN 102 FMI 5 102 102 5 Engine Intake Manifold 1 Pressure – Current Below Normal or Open Circuit
SPN 103 FMI 0 103 103 Engine Turbocharger 1 Speed – Data Valid But Above Normal Operational Range
SPN 103 FMI 1 103 103 1 Engine Turbocharger 1 Speed – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 103 FMI 15 103 103 15 Engine Turbocharger 1 Speed – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 103 FMI 17 103 103 17 Engine Turbocharger 1 Speed – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 103 FMI 9 103 103 9 Engine Turbocharger 1 Speed – Abnormal Update Rate
SPN 105 FMI 0 105 105 Engine Intake Manifold 1 Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 105 FMI 13 105 105 13 Engine Intake Manifold 1 Temperature – Out of Calibration
SPN 105 FMI 17 105 105 17 Engine Intake Manifold 1 Temperature – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 105 FMI 2 105 105 2 Engine Intake Manifold 1 Temperature – Data Erratic, Intermittent, or Incorrect
SPN 105 FMI 4 105 105 4 Engine Intake Manifold 1 Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 105 FMI 5 105 105 5 Engine Intake Manifold 1 Temperature – Current Below Normal or Open Circuit
SPN 1072 FMI 1 1072 1 Engine Compression Brake Output #1 – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 1072 FMI 3 1072 3 Engine Compression Brake Output #1 – Voltage Above Normal, or Shorted to High Source
SPN 1072 FMI 4 1072 4 Engine Compression Brake Output #1 – Voltage Below Normal, or Shorted to Low Source
SPN 1072 FMI 5 1072 5 Engine Compression Brake Output #1 – Current Below Normal or Open Circuit
SPN 108 FMI 2 108 108 2 Barometric Pressure – Data Erratic, Intermittent, or Incorrect
SPN 108 FMI 3 108 108 3 Barometric Pressure – Voltage Above Normal, or Shorted to High Source
SPN 108 FMI 4 108 108 4 Barometric Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 110 FMI 0 110 110 Engine Coolant Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 110 FMI 10 110 110 10 Engine Coolant Temperature – Abnormal Rate of Change
SPN 110 FMI 13 110 110 13 Engine Coolant Temperature – Out of Calibration
SPN 110 FMI 16 110 110 16 Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 110 FMI 17 110 110 17 Engine Coolant Temperature – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 110 FMI 2 110 110 2 Engine Coolant Temperature – Data Erratic, Intermittent, or Incorrect
SPN 110 FMI 4 110 110 4 Engine Coolant Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 110 FMI 5 110 110 5 Engine Coolant Temperature – Current Below Normal or Open Circuit
SPN 111 FMI 1 111 111 1 Engine Coolant Level – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 111 FMI 14 111 111 14 Engine Coolant Level – Special Instructions
SPN 111 FMI 18 111 111 18 Engine Coolant Level – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 111 FMI 3 111 111 3 Engine Coolant Level – Voltage Above Normal, or Shorted to High Source
SPN 111 FMI 4 111 111 4 Engine Coolant Level – Voltage Below Normal, or Shorted to Low Source
SPN 111 FMI 5 111 111 5 Engine Coolant Level – Current Below Normal or Open Circuit
SPN 1127 FMI 0 1127 Engine Turbocharger Intake Manifold Pressure (IMP) – Data Valid But Above Normal Operational Range
SPN 1127 FMI 1 1127 1 Engine Turbocharger Intake Manifold Pressure (IMP) – Data Valid But Below Normal Operational Range
SPN 1127 FMI 10 1127 10 Engine Turbocharger Intake Manifold Pressure (IMP) – Abnormal Rate of Change
SPN 1127 FMI 11 1127 11 Engine Turbocharger Intake Manifold Pressure (IMP) – Root Cause Not Known
SPN 1127 FMI 13 1127 13 Engine Turbocharger Intake Manifold Pressure (IMP) – Out of Calibration
SPN 1127 FMI 14 1127 14 Engine Turbocharger Intake Manifold Pressure (IMP) – Special Instructions
SPN 1127 FMI 16 1127 16 Engine Turbocharger Intake Manifold Pressure (IMP) – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 1127 FMI 18 1127 18 Engine Turbocharger Intake Manifold Pressure (IMP) – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 1136 FMI 4 1136 4 Engine Control Module (ECM) Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 1136 FMI 5 1136 5 Engine Control Module (ECM) Temperature – Current Below Normal or Open Circuit
SPN 1198 FMI 12 224 1198 12 Anti-theft Random Number – Bad Intelligent Device or Component
SPN 1198 FMI 2 224 1198 2 Anti-theft Random Number – Data Erratic, Intermittent, or Incorrect
SPN 1231 FMI 2 1231 2 SAE J1939 Data Link 2 – Data Erratic, Intermittent, or Incorrect
SPN 1231 FMI 9 1231 9 SAE J1939 Data Link 2 – Abnormal Update Rate
SPN 1265 FMI 3 1265 3 85 Engine Piston Cooling Oil Pressure Actuator – Voltage Above Normal, or Shorted to High Source
SPN 1265 FMI 4 1265 4 85 Engine Piston Cooling Oil Pressure Actuator – Voltage Below Normal, or Shorted to Low Source
SPN 1265 FMI 5 1265 5 85 Engine Piston Cooling Oil Pressure Actuator – Current Below Normal or Open Circuit
SPN 1322 FMI 31 1322 31 Engine Misfire for Multiple Cylinders – Condition Exists
SPN 1322 FMI 8 1322 8 Engine Misfire for Multiple Cylinders – Abnormal Frequency or Pulse Width or Period
SPN 153 FMI 0 153 153 Engine High Resolution Crankcase Pressure – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 153 FMI 13 153 153 13 Engine High Resolution Crankcase Pressure – Out of Calibration
SPN 153 FMI 15 153 153 15 Engine High Resolution Crankcase Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 153 FMI 17 153 153 17 Engine High Resolution Crankcase Pressure – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 153 FMI 2 153 153 2 Engine High Resolution Crankcase Pressure – Data Erratic, Intermittent, or Incorrect
SPN 153 FMI 3 153 153 3 Engine High Resolution Crankcase Pressure – Voltage Above Normal, or Shorted to High Source
SPN 153 FMI 5 153 153 5 Engine High Resolution Crankcase Pressure – Current Below Normal or Open Circuit
SPN 153 FMI 7 153 153 7 Engine High Resolution Crankcase Pressure – Mechanical System Not Responding Properly or Out of Adjustment
SPN 158 FMI 0 158 158 Keyswitch Battery Potential – Data Valid But Above Normal Operational Range
SPN 158 FMI 1 158 158 1 Keyswitch Battery Potential – Data Valid But Below Normal Operational Range
SPN 158 FMI 16 158 158 16 Keyswitch Battery Potential – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 158 FMI 18 158 158 18 Keyswitch Battery Potential – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 158 FMI 3 158 158 3 Keyswitch Battery Potential – Voltage Above Normal, or Shorted to High Source
SPN 158 FMI 4 158 158 4 Keyswitch Battery Potential – Voltage Below Normal, or Shorted to Low Source
SPN 1659 FMI 12 1659 12 Engine Coolant System Thermostat – Bad Intelligent Device or Component
SPN 1659 FMI 7 1659 7 Engine Coolant System Thermostat – Mechanical System Not Responding or Out of Adjustment
SPN 1675 FMI 0 1675 39 Engine Starter Mode – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 1675 FMI 10 1675 10 39 Engine Starter Mode – Abnormal Rate of Change
SPN 1675 FMI 14 1675 14 39 Engine Starter Mode – Special Instructions
SPN 1675 FMI 7 1675 7 39 Engine Starter Mode – Mechanical System Not Responding or Out of Adjustment
SPN 1677 FMI 0 1677 Aftertreatment DPF Auxiliary Heater Mode – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 1677 FMI 16 1677 16 Aftertreatment DPF Auxiliary Heater Mode – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 1677 FMI 7 1677 7 Aftertreatment DPF Auxiliary Heater Mode – Mechanical System Not Responding or Out of Adjustment
SPN 171 FMI 10 171 171 10 Ambient Air Temperature – Abnormal Rate of Change
SPN 171 FMI 12 171 171 12 Ambient Air Temperature – Bad Intelligent Device or Component
SPN 171 FMI 13 171 171 13 Ambient Air Temperature – Out of Calibration
SPN 171 FMI 14 171 171 14 Ambient Air Temperature – Special Instructions
SPN 171 FMI 19 171 171 19 Ambient Air Temperature – Received Network Data in Error
SPN 171 FMI 2 171 171 2 Ambient Air Temperature – Data Erratic, Intermittent, or Incorrect
SPN 171 FMI 9 171 171 9 Ambient Air Temperature – Abnormal Update Rate
SPN 173 FMI 0 173 173 Engine Exhaust Gas Temperature (EGT) – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 173 FMI 15 173 173 15 Engine Exhaust Gas Temperature (EGT) – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 173 FMI 16 173 173 16 Engine Exhaust Gas Temperature (EGT) – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 173 FMI 2 173 173 2 Engine Exhaust Gas Temperature (EGT) – Data Erratic, Intermittent, or Incorrect
SPN 173 FMI 4 173 173 4 Engine Exhaust Gas Temperature (EGT) – Voltage Below Normal, or Shorted to Low Source
SPN 173 FMI 5 173 173 5 Engine Exhaust Gas Temperature (EGT) – Current Below Normal or Open Circuit
SPN 175 FMI 0 175 175 Engine Oil Temperature 1 – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 175 FMI 13 175 175 13 Engine Oil Temperature 1 – Out of Calibration
SPN 175 FMI 16 175 175 16 Engine Oil Temperature 1 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 175 FMI 17 175 175 17 Engine Oil Temperature 1 – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 175 FMI 2 175 175 2 Engine Oil Temperature 1 – Data Erratic, Intermittent, or Incorrect
SPN 175 FMI 4 175 175 4 Engine Oil Temperature 1 – Voltage Below Normal, or Shorted to Low Source
SPN 175 FMI 5 175 175 5 Engine Oil Temperature 1 – Current Below Normal or Open Circuit
SPN 1761 FMI 11 1761 11 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Level – Root Cause Not Known
SPN 1761 FMI 14 1761 14 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Level – Special Instructions
SPN 1761 FMI 18 1761 18 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Level – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 1761 FMI 3 1761 3 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Level – Voltage Above Normal, or Shorted to High Source
SPN 1761 FMI 5 1761 5 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Level – Current Below Normal or Open Circuit
SPN 177 FMI 0 177 177 Transmission Oil Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 177 FMI 16 177 177 16 Transmission Oil Temperature – Data Valid But Above Operational Range – Moderately Severe Level
SPN 188 FMI 0 188 188 Engine Speed at Idle, Point 1 (Engine Configurations) – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 188 FMI 1 188 188 1 Engine Speed at Idle, Point 1 (Engine Configurations) – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 190 FMI 0 190 190 Engine Speed – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 2003 FMI 9 2003 9 Transmission Control Module (TCM) Status – Abnormal Update Rate
SPN 2017 FMI 9 85 2017 9 Cruise Control Status – Abnormal Update Rate
SPN 2029 FMI 8 2029 8 Invalid or Missing Data from Vehicle ECU – Abnormal Frequency or Pulse Width or Period
SPN 2029 FMI 9 2029 9 Invalid or Missing Data from Vehicle ECU – Abnormal Update Rate
SPN 228 FMI 11 228 228 11 Speed Sensor Calibration – Failure Mode Not Identifiable
SPN 228 FMI 9 228 228 9 Speed Sensor Calibration – Abnormal Update Rate
SPN 237 FMI 12 237 12 Vehicle Identification Number – Bad Intelligent Device or Component
SPN 237 FMI 2 237 2 Vehicle Identification Number – Data Erratic, Intermittent, or Incorrect
SPN 245 FMI 9 245 245 9 Total Vehicle Distance – Abnormal Update Rate
SPN 251 FMI 10 251 251 10 Time – Abnormal Rate of Change
SPN 251 FMI 12 251 251 12 Time – Bad Intelligent Device or Component
SPN 251 FMI 13 251 251 13 Time – Out of Calibration
SPN 251 FMI 19 251 251 19 Time – Received Network Data in Error
SPN 251 FMI 2 251 251 2 Time – Data Erratic, Intermittent, or Incorrect
SPN 251 FMI 9 251 251 9 Time – Abnormal Update Rate
SPN 252 FMI 9 252 252 9 Date – Abnormal Update Rate
SPN 2629 FMI 0 404 2629 Engine Turbocharger Compressor Outlet Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 2629 FMI 13 404 2629 13 Engine Turbocharger Compressor Outlet Temperature – Out of Calibration
SPN 2629 FMI 15 404 2629 15 Engine Turbocharger Compressor Outlet Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 2629 FMI 17 404 2629 17 Engine Turbocharger Compressor Outlet Temperature – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 2629 FMI 2 404 2629 2 Engine Turbocharger Compressor Outlet Temperature – Data Erratic, Intermittent, or Incorrect
SPN 2629 FMI 4 404 2629 4 Engine Turbocharger Compressor Outlet Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 2629 FMI 5 404 2629 5 Engine Turbocharger Compressor Outlet Temperature – Current Below Normal or Open Circuit
SPN 2659 FMI 0 2659 Engine Exhaust Gas Recirculation (EGR) Mass Flow Rate – Data Valid But Above Normal Operational Range (J1587 ONLY)
SPN 2659 FMI 1 2659 1 Engine Exhaust Gas Recirculation (EGR) Mass Flow Rate – Data Valid But Below Normal Operational Range
SPN 2659 FMI 16 2659 16 Engine Exhaust Gas Recirculation (EGR) Mass Flow Rate – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 2659 FMI 18 2659 18 Engine Exhaust Gas Recirculation (EGR) Mass Flow Rate – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 2791 FMI 3 2791 3 146 Engine Exhaust Gas Recirculation (EGR) Valve Control – Voltage Above Normal, or Shorted to High Source
SPN 2791 FMI 5 2791 5 146 Engine Exhaust Gas Recirculation (EGR) Valve Control – Current Below Normal or Open Circuit
SPN 2836 FMI 3 2836 3 Battery Potential / Switched Voltage  – Voltage Above Normal, or Shorted to High Source
SPN 2836 FMI 4 2836 4 Battery Potential / Switched Voltage  – Voltage Below Normal, or Shorted to Low Source
SPN 3031 FMI 0 3031 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3031 FMI 4 3031 4 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 3031 FMI 5 3031 5 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Temperature – Current Below Normal or Open Circuit
SPN 3031 FMI 8 3031 8 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Temperature – Abnormal Frequency or Pulse Width or Period
SPN 3064 FMI 0 3064 Aftertreatment DPF System Monitor – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3064 FMI 10 3064 10 Aftertreatment DPF System Monitor – Abnormal Rate of Change
SPN 3064 FMI 11 3064 11 Aftertreatment DPF System Monitor – Root Cause Not Known
SPN 3216 FMI 11 3216 11 Aftertreatment Intake NOx – Root Cause Not Known
SPN 3216 FMI 12 3216 12 Aftertreatment Intake NOx – Bad Intelligent Device or Component
SPN 3216 FMI 13 3216 13 Aftertreatment Intake NOx – Out of Calibration
SPN 3216 FMI 14 3216 14 Aftertreatment Intake NOx – Special Instructions
SPN 3216 FMI 2 3216 2 Aftertreatment Intake NOx – Data Erratic, Intermittent, or Incorrect
SPN 3216 FMI 3 3216 3 Aftertreatment Intake NOx – Voltage Above Normal, or Shorted to High Source
SPN 3216 FMI 5 3216 5 Aftertreatment Intake NOx – Current Below Normal or Open Circuit
SPN 3216 FMI 9 3216 9 Aftertreatment Intake NOx – Abnormal Update Rate
SPN 3226 FMI 11 3226 11 Aftertreatment Outlet NOx – Root Cause Not Known
SPN 3226 FMI 12 3226 12 Aftertreatment Outlet NOx – Bad Intelligent Device or Component
SPN 3226 FMI 13 3226 13 Aftertreatment Outlet NOx – Out of Calibration
SPN 3226 FMI 14 3226 14 Aftertreatment Outlet NOx – Special Instructions
SPN 3226 FMI 2 3226 2 Aftertreatment Outlet NOx – Data Erratic, Intermittent, or Incorrect
SPN 3226 FMI 3 3226 3 Aftertreatment Outlet NOx – Voltage Above Normal, or Shorted to High Source
SPN 3226 FMI 31 3226 31 Aftertreatment Outlet NOx – Condition Exists
SPN 3226 FMI 5 3226 5 Aftertreatment Outlet NOx – Current Below Normal or Open Circuit
SPN 3226 FMI 9 3226 9 Aftertreatment Outlet NOx – Abnormal Update Rate
SPN 3245 FMI 0 3245 Aftertreatment DPF Outlet Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3245 FMI 15 3245 15 Aftertreatment DPF Outlet Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3245 FMI 2 3245 2 Aftertreatment DPF Outlet Temperature – Data Erratic, Intermittent, or Incorrect
SPN 3245 FMI 4 3245 4 Aftertreatment DPF Outlet Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 3245 FMI 5 3245 5 Aftertreatment DPF Outlet Temperature – Current Below Normal or Open Circuit
SPN 3249 FMI 15 3249 15 Aftertreatment DPF Intake Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3249 FMI 2 3249 2 Aftertreatment DPF Intake Temperature – Data Erratic, Intermittent, or Incorrect
SPN 3249 FMI 4 3249 4 Aftertreatment DPF Intake Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 3249 FMI 5 3249 5 Aftertreatment DPF Intake Temperature – Current Below Normal or Open Circuit
SPN 3250 FMI 1 3250 1 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 3250 FMI 10 3250 10 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Abnormal Rate of Change
SPN 3250 FMI 11 3250 11 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Failure Mode Not Identifiable
SPN 3250 FMI 13 3250 13 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Out of Calibration
SPN 3250 FMI 14 3250 14 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Out of Calibration
SPN 3250 FMI 2 3250 2 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Data Erratic, Intermittent, or Incorrect
SPN 3250 FMI 3 3250 3 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Voltage Above Normal, or Shorted to High Source
SPN 3250 FMI 5 3250 5 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Current Below Normal or Open Circuit
SPN 3250 FMI 9 3250 9 Aftertreatment Diesel Particulate Filter (DPF) Intermediate Gas Temperature – Abnormal Update Rate
SPN 3251 FMI 0 81 3251 Aftertreatment DPF Differential Pressure – Data Valid But Above Normal Operational Range
SPN 3251 FMI 16 81 3251 16 Aftertreatment DPF Differential Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3251 FMI 2 81 3251 2 Aftertreatment DPF Differential Pressure – Data Erratic, Intermittent, or Incorrect
SPN 3251 FMI 3 81 3251 3 Aftertreatment DPF Differential Pressure – Voltage Above Normal, or Shorted to High Source
SPN 3251 FMI 5 81 3251 5 Aftertreatment DPF Differential Pressure – Current Below Normal or Open Circuit
SPN 3363 FMI 2 3363 2 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater – Data Erratic, Intermittent, or Incorrect
SPN 3363 FMI 3 3363 3 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater – Voltage Above Normal, or Shorted to High Source
SPN 3363 FMI 4 3363 4 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater – Voltage Below Normal, or Shorted to Low Source
SPN 3363 FMI 5 3363 5 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater – Current Below Normal or Open Circuit
SPN 3471 FMI 12 3471 12 Aftertreatment Fuel Pressure Control Actuator – Bad Intelligent Device or Component
SPN 3471 FMI 14 3471 14 Aftertreatment Fuel Pressure Control Actuator – Special Instructions
SPN 3471 FMI 3 3471 3 Aftertreatment Fuel Pressure Control Actuator – Voltage Above Normal, or Shorted to High Source
SPN 3471 FMI 4 3471 4 Aftertreatment Fuel Pressure Control Actuator – Voltage Below Normal, or Shorted to Low Source
SPN 3471 FMI 5 3471 5 Aftertreatment Fuel Pressure Control Actuator – Current Below Normal or Open Circuit
SPN 3471 FMI 7 3471 7 Aftertreatment Fuel Pressure Control Actuator – Mechanical System Not Responding or Out of Adjustment
SPN 3472 FMI 3 3472 3 Aftertreatment Diesel Particulate Filter (DPF) Air Pressure Control Actuator – Voltage Above Normal, or Shorted to High Source
SPN 3472 FMI 4 3472 4 Aftertreatment Diesel Particulate Filter (DPF) Air Pressure Control Actuator – Voltage Below Normal, or Shorted to Low Source
SPN 3472 FMI 5 3472 5 Aftertreatment Diesel Particulate Filter (DPF) Air Pressure Control Actuator – Current Below Normal or Open Circuit
SPN 3473 FMI 14 3473 14 Aftertreatment Failed to Ignite – Special Instructions
SPN 3473 FMI 7 3473 7 Aftertreatment Failed to Ignite – Mechanical System Not Responding or Out of Adjustment
SPN 3480 FMI 10 3480 10 Aftertreatment DPF Fuel Pressure – Abnormal Rate of Change
SPN 3480 FMI 15 3480 15 Aftertreatment DPF Fuel Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3480 FMI 2 3480 2 Aftertreatment DPF Fuel Pressure – Data Erratic, Intermittent, or Incorrect
SPN 3480 FMI 3 3480 3 Aftertreatment DPF Fuel Pressure – Voltage Above Normal, or Shorted to High Source
SPN 3480 FMI 5 3480 5 Aftertreatment DPF Fuel Pressure – Current Below Normal or Open Circuit
SPN 3480 FMI 7 3480 7 Aftertreatment DPF Fuel Pressure – Mechanical System Not Responding or Out of Adjustment
SPN 3482 FMI 3 3482 3 Aftertreatment Diesel Particulate Filter (DPF) Fuel Shutoff Valve – Voltage Above Normal, or Shorted to High Source
SPN 3482 FMI 4 3482 4 Aftertreatment Diesel Particulate Filter (DPF) Fuel Shutoff Valve – Voltage Below Normal, or Shorted to Low Source
SPN 3482 FMI 5 3482 5 Aftertreatment Diesel Particulate Filter (DPF) Fuel Shutoff Valve – Current Below Normal or Open Circuit
SPN 3482 FMI 7 3482 7 Aftertreatment Diesel Particulate Filter (DPF) Fuel Shutoff Valve – Mechanical System Not Responding or Out of Adjustment
SPN 3483 FMI 0 3483 Aftertreatment Regeneration Status – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3483 FMI 1 3483 1 Aftertreatment Regeneration Status – Data Valid But Below Normal Operational Range
SPN 3483 FMI 10 3483 10 Aftertreatment Regeneration Status – Abnormal Rate of Change
SPN 3483 FMI 12 3483 12 Aftertreatment Regeneration Status – Bad Intelligent Device or Component
SPN 3483 FMI 13 3483 13 Aftertreatment Regeneration Status – Out of Calibration
SPN 3483 FMI 15 3483 15 Aftertreatment Regeneration Status – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3483 FMI 17 3483 17 Aftertreatment Regeneration Status – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 3483 FMI 31 3483 31 Aftertreatment Regeneration Status – Condition Exists
SPN 3484 FMI 0 3484 Aftertreatment Ignition – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3484 FMI 1 3484 1 Aftertreatment Ignition – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 3484 FMI 2 3484 2 Aftertreatment Ignition – Data Erratic, Intermittent, or Incorrect
SPN 3484 FMI 3 3484 3 Aftertreatment Ignition – Voltage Above Normal, or Shorted to High Source
SPN 3484 FMI 4 3484 4 Aftertreatment Ignition – Voltage Below Normal, or Shorted to Low Source
SPN 3484 FMI 5 3484 5 Aftertreatment Ignition – Current Below Normal or Open Circuit
SPN 3485 FMI 10 3485 10 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Pressure – Abnormal Rate of Change
SPN 3485 FMI 14 3485 14 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Pressure – Special Instructions
SPN 3485 FMI 2 3485 2 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Pressure – Data Erratic, Intermittent, or Incorrect
SPN 3485 FMI 3 3485 3 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Pressure – Voltage Above Normal, or Shorted to High Source
SPN 3485 FMI 5 3485 5 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Pressure – Current Below Normal or Open Circuit
SPN 3485 FMI 7 3485 7 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Pressure – Mechanical System Not Responding or Out of Adjustment
SPN 3489 FMI 2 3489 2 Aftertreatment Air Enable Actuator – Data Erratic, Intermittent, or Incorrect
SPN 3489 FMI 3 3489 3 Aftertreatment Air Enable Actuator – Voltage Above Normal, or Shorted to High Source
SPN 3489 FMI 4 3489 4 Aftertreatment Air Enable Actuator – Voltage Below Normal, or Shorted to Low Source
SPN 3489 FMI 5 3489 5 Aftertreatment Air Enable Actuator – Current Below Normal or Open Circuit
SPN 3491 FMI 12 3491 12 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Actuator – Bad Intelligent Device or Component
SPN 3491 FMI 3 3491 3 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Actuator – Voltage Above Normal, or Shorted to High Source
SPN 3491 FMI 4 3491 4 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Actuator – Voltage Below Normal, or Shorted to Low Source
SPN 3491 FMI 5 3491 5 Aftertreatment Diesel Particulate Filter (DPF) Atomization Air Actuator – Current Below Normal or Open Circuit
SPN 3492 FMI 3 3492 3 Aftertreatment 1 Air System Relay – Voltage Above Normal, or Shorted to High Source
SPN 3492 FMI 4 3492 4 Aftertreatment 1 Air System Relay – Voltage Below Normal, or Shorted to Low Source
SPN 3492 FMI 5 3492 5 Aftertreatment 1 Air System Relay – Current Below Normal or Open Circuit
SPN 3509 FMI 3 3509 3 232 Sensor Supply Voltage 1 – Voltage Above Normal, or Shorted to High Source
SPN 3509 FMI 4 3509 4 232 Sensor Supply Voltage 1 – Voltage Below Normal, or Shorted to Low Source
SPN 3510 FMI 3 3510 3 211 Sensor Supply Voltage 2 – Voltage Above Normal, or Shorted to High Source
SPN 3510 FMI 4 3510 4 211 Sensor Supply Voltage 2 – Voltage Below Normal, or Shorted to Low Source
SPN 3511 FMI 3 3511 3 Sensor Supply Voltage 3 – Voltage Above Normal, or Shorted to High Source
SPN 3511 FMI 4 3511 4 Sensor Supply Voltage 3 – Voltage Below Normal, or Shorted to Low Source
SPN 3512 FMI 3 3512 3 Sensor Supply Voltage 4 – Voltage Above Normal, or Shorted to High Source
SPN 3512 FMI 4 3512 4 Sensor Supply Voltage 4 – Voltage Below Normal, or Shorted to Low Source
SPN 3522 FMI 0 3522 Aftertreatment Total Fuel Used – Data Valid But Above Normal Operational Range
SPN 3522 FMI 1 3522 1 Aftertreatment Total Fuel Used – Data Valid But Below Normal Operational Range
SPN 3522 FMI 16 3522 16 Aftertreatment Total Fuel Used – Data Valid But Above Normal Operational Range – Moderately Severe Level
SPN 3522 FMI 18 3522 18 Aftertreatment Total Fuel Used – Data Valid But Below Normal Operational Range – Moderately Severe Level
SPN 3556 FMI 13 3556 13 Aftertreatment Hydrocarbon Doser – Out of Calibration
SPN 3556 FMI 14 3556 14 Aftertreatment Hydrocarbon Doser – Special Instructions
SPN 3556 FMI 3 3556 3 Aftertreatment Hydrocarbon Doser – Voltage Above Normal, or Shorted to High Source
SPN 3556 FMI 4 3556 4 Aftertreatment Hydrocarbon Doser – Voltage Below Normal, or Shorted to Low Source
SPN 3556 FMI 5 3556 5 Aftertreatment Hydrocarbon Doser – Current Below Normal or Open Circuit
SPN 3597 FMI 3 3597 3 Aftertreatment Diesel Particulate Filter (DPF) Regeneration – Voltage Above Normal, or Shorted to High Source
SPN 3597 FMI 4 3597 4 Aftertreatment Diesel Particulate Filter (DPF) Regeneration – Voltage Below Normal, or Shorted to Low Source
SPN 3597 FMI 5 3597 5 Aftertreatment Diesel Particulate Filter (DPF) Regeneration – Current Below Normal or Open Circuit
SPN 3675 FMI 3 3675 3 Engine Turbocharger Compressor Bypass Valve Position – Voltage Above Normal, or Shorted to High Source
SPN 3675 FMI 4 3675 4 Engine Turbocharger Compressor Bypass Valve Position – Voltage Below Normal, or Shorted to Low Source
SPN 3675 FMI 5 3675 5 Engine Turbocharger Compressor Bypass Valve Position – Current Below Normal or Open Circuit
SPN 3675 FMI 7 3675 7 Engine Turbocharger Compressor Bypass Valve Position – Mechanical System Not Responding or Out of Adjustment
SPN 3695 FMI 9 3695 9 Aftertreatment Diesel Particulate Filter (DPF) Switch / MP8 Engine – Abnormal Update Rate
SPN 3720 FMI 0 3720 Aftertreatment DPF Ash Load Percent – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3936 FMI 0 3936 Aftertreatment DPF System – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3936 FMI 1 3936 1 Aftertreatment DPF System – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 4094 FMI 1 4094 1 NOx Limits Exceeded Due to Insufficient Diesel Exhaust Fluid (DEF) Quality – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 4094 FMI 14 4094 14 NOx Limits Exceeded Due to Insufficient Diesel Exhaust Fluid (DEF) Quality – Special Instructions
SPN 4094 FMI 18 4094 18 NOx Limits Exceeded Due to Insufficient Diesel Exhaust Fluid (DEF) Quality – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 4095 FMI 7 4095 7 NOx Limits Exceeded Due to Interrupted Diesel Exhaust Fluid (DEF) Dosing – Mechanical System Not Responding or Out of Adjustment
SPN 411 FMI 0 411 411 Engine Exhaust Gas Recirculation Differential Pressure – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 411 FMI 1 411 411 1 Engine Exhaust Gas Recirculation Differential Pressure – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 411 FMI 2 411 411 2 Engine Exhaust Gas Recirculation Differential Pressure – Data Erratic, Intermittent, or Incorrect
SPN 411 FMI 3 411 411 3 Engine Exhaust Gas Recirculation Differential Pressure – Voltage Above Normal, or Shorted to High Source
SPN 411 FMI 5 411 411 5 Engine Exhaust Gas Recirculation Differential Pressure – Current Below Normal or Open Circuit
SPN 411 FMI 7 411 411 7 Engine Exhaust Gas Recirculation Differential Pressure – Mechanical System Not Responding or Out of Adjustment
SPN 412 FMI 0 412 412 Engine Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 412 FMI 13 412 412 13 Engine Exhaust Gas Recirculation Temperature – Out of Calibration (Out of Range Low)
SPN 412 FMI 13 412 412 13 Engine Exhaust Gas Recirculation Temperature – Out of Calibration (Above Range)
SPN 412 FMI 15 412 412 15 Engine Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 412 FMI 16 412 412 16 Engine Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 412 FMI 17 412 412 17 Engine Exhaust Gas Recirculation Temperature – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 412 FMI 2 412 412 2 Engine Exhaust Gas Recirculation Temperature – Data Erratic, Intermittent, or Incorrect
SPN 412 FMI 4 412 412 4 Engine Exhaust Gas Recirculation Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 412 FMI 5 412 412 5 Engine Exhaust Gas Recirculation Temperature – Current Below Normal or Open Circuit
SPN 4334 FMI 1 4334 1 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Absolute Pressure – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 4334 FMI 4 4334 4 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Absolute Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 4334 FMI 5 4334 5 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Absolute Pressure – Current Below Normal or Open Circuit
SPN 4339 FMI 0 4339 Aftertreatment SCR Feedback Control Status – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 4339 FMI 1 4339 1 Aftertreatment SCR Feedback Control Status – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 4339 FMI 10 4339 10 Aftertreatment SCR Feedback Control Status – Abnormal Rate of Change
SPN 4339 FMI 12 4339 12 Aftertreatment SCR Feedback Control Status – Bad Intelligent Device or Component
SPN 4354 FMI 3 4354 3 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1 – Voltage Above Normal, or Shorted to High Source
SPN 4354 FMI 4 4354 4 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1 – Voltage Below Normal, or Shorted to Low Source
SPN 4354 FMI 5 4354 5 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1 – Current Below Normal or Open Circuit
SPN 4356 FMI 3 4356 3 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3 – Voltage Above Normal, or Shorted to High Source
SPN 4356 FMI 4 4356 4 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3 – Voltage Below Normal, or Shorted to Low Source
SPN 4356 FMI 5 4356 5 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3 – Current Below Normal or Open Circuit
SPN 4374 FMI 1 4374 1 Aftertreatment Diesel Exhaust Fluid (DEF) Pump Motor Speed – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 4375 FMI 0 4375 Aftertreatment Diesel Exhaust Fluid Pump (DEF) Drive Percentage – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 4375 FMI 1 4375 1 Aftertreatment Diesel Exhaust Fluid Pump (DEF) Drive Percentage – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 4375 FMI 12 4375 12 Aftertreatment Diesel Exhaust Fluid Pump (DEF) Drive Percentage – Bad Intelligent Device or Component
SPN 4375 FMI 14 4375 14 Aftertreatment Diesel Exhaust Fluid Pump (DEF) Drive Percentage – Special Instructions
SPN 4375 FMI 3 4375 3 Aftertreatment Diesel Exhaust Fluid Pump (DEF) Drive Percentage – Voltage Above Normal, or Shorted to High Source
SPN 4375 FMI 4 4375 4 Aftertreatment Diesel Exhaust Fluid Pump (DEF) Drive Percentage – Voltage Below Normal, or Shorted to Low Source
SPN 4375 FMI 5 4375 5 Aftertreatment Diesel Exhaust Fluid Pump (DEF) Drive Percentage – Current Below Normal or Open Circuit
SPN 4376 FMI 3 4376 3 Aftertreatment Diesel Exhaust Fluid (DEF) Return Valve – Voltage Above Normal, or Shorted to High Source
SPN 4376 FMI 4 4376 4 Aftertreatment Diesel Exhaust Fluid (DEF) Return Valve – Voltage Below Normal, or Shorted to Low Source
SPN 4376 FMI 5 4376 5 Aftertreatment Diesel Exhaust Fluid (DEF) Return Valve – Current Below Normal or Open Circuit
SPN 4376 FMI 7 4376 7 Aftertreatment Diesel Exhaust Fluid (DEF) Return Valve – Mechanical System Not Responding or Out of Adjustment
SPN 4752 FMI 7 4752 7 282 Engine Exhaust Gas Recirculation (EGR) Cooler Efficiency – Mechanical System Not Responding or Out of Adjustment
SPN 4811 FMI 1 4811 1 Engine Piston Cooling Oil Pressure – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 4811 FMI 3 4811 3 Engine Piston Cooling Oil Pressure – Voltage Above Normal, or Shorted to High Source
SPN 4811 FMI 5 4811 5 Engine Piston Cooling Oil Pressure – Current Below Normal or Open Circuit
SPN 4813 FMI 3 4813 3 Engine Oil Thermostat Bypass Valve Opening – Voltage Above Normal, or Shorted to High Source
SPN 4813 FMI 4 4813 4 Engine Oil Thermostat Bypass Valve Opening – Voltage Below Normal, or Shorted to Low Source
SPN 4813 FMI 5 4813 5 Engine Oil Thermostat Bypass Valve Opening – Current Below Normal or Open Circuit
SPN 4815 FMI 3 4815 3 Engine Cooling Fan Thermal Switch Position – Voltage Above Normal, or Shorted to High Source
SPN 4815 FMI 4 4815 4 Engine Cooling Fan Thermal Switch Position – Voltage Below Normal, or Shorted to Low Source
SPN 4815 FMI 5 4815 5 Engine Cooling Fan Thermal Switch Position – Current Below Normal or Open Circuit
SPN 5246 FMI 0 5246 Aftertreatment SCR Operator Inducement Severity – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 5246 FMI 15 5246 15 Aftertreatment SCR Operator Inducement Severity – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 5246 FMI 16 5246 16 Aftertreatment SCR Operator Inducement Severity – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 5285 FMI 18 52 5285 18 Charge Air Cooler (CAC) Temperature – Data Valid But Below Normal Operating Range
SPN 5285 FMI 7 52 5285 7 Charge Air Cooler (CAC) Temperature – Mechanical System Not Responding Properly
SPN 5298 FMI 18 5298 18 Aftertreatment Diesel Oxidation Catalyst (DOC) Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 5298 FMI 2 5298 2 Aftertreatment Diesel Oxidation Catalyst (DOC) Conversion Efficiency – Data Erratic, Intermittent, or Incorrect
SPN 5298 FMI 7 5298 7 Aftertreatment Diesel Oxidation Catalyst (DOC) Conversion Efficiency – Mechanical System Not Responding Properly
SPN 5392 FMI 31 5392 31 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve Loss of Prime – Condition Exists
SPN 5392 FMI 7 5392 7 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve Loss of Prime – Mechanical System Not Responding Properly
SPN 5394 FMI 0 5394 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 5394 FMI 1 5394 1 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 5394 FMI 1 5394 1 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Data Valid But Below Normal Operational Range
SPN 5394 FMI 14 5394 14 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Special Instructions
SPN 5394 FMI 17 5394 17 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Data Valid But Below Normal Operational Range – Least Severe Level
SPN 5394 FMI 3 5394 3 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Voltage Above Normal, or Shorted to High Source
SPN 5394 FMI 4 5394 4 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Voltage Below Normal, or Shorted to Low Source
SPN 5394 FMI 5 5394 5 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Current Below Normal or Open Circuit
SPN 5443 FMI 10 5443 10 Aftertreatment 1 Hydrocarbon Dosing System – Abnormally Large Variations
SPN 5443 FMI 13 5443 13 Aftertreatment 1 Hydrocarbon Dosing System – Calibration Value Out of Range
SPN 5443 FMI 2 5443 2 Aftertreatment 1 Hydrocarbon Dosing System – Fuel Pressure Fault
SPN 5443 FMI 7 5443 7 Aftertreatment 1 Hydrocarbon Dosing System – Mechanical System Not Responding Properly
SPN 5443 FMI 8 5443 8 Aftertreatment 1 Hydrocarbon Dosing System – Fuel Leakage
SPN 5485 FMI 11 5485 11 Aftertreatment Diesel Exhaust Fluid (DEF) Pump Orifice – Root Cause Not Known
SPN 558 FMI 3 558 3 230 Accelerator Pedal 1 Idle Validation Switch – Voltage Above Normal, or Shorted to High Source
SPN 558 FMI 5 558 5 230 Accelerator Pedal 1 Idle Validation Switch – Current Below Normal or Open Circuit
SPN 626 FMI 3 45 626 3 Intake Air Heater (IAH) Relay – Voltage Above Normal, or Shorted to High Source
SPN 626 FMI 4 45 626 4 Intake Air Heater (IAH) Relay – Voltage Below Normal, or Shorted to Low Source
SPN 626 FMI 5 45 626 5 Intake Air Heater (IAH) Relay – Current Below Normal or Open Circuit
SPN 628 FMI 11 628 11 240 Program Memory – Root Cause Not Known
SPN 628 FMI 12 628 12 240 Program Memory – Bad Intelligent Device or Component
SPN 628 FMI 14 628 14 240 Program Memory – Special Instructions
SPN 628 FMI 2 628 2 240 Program Memory – Data Erratic, Intermittent, or Incorrect
SPN 629 FMI 12 629 12 254 Electronic Control Unit (ECU) 1 – Bad Intelligent Device or Component
SPN 629 FMI 8 629 8 254 Electronic Control Unit (ECU) 1 – Abnormal Frequency or Pulse Width or Period
SPN 630 FMI 12 630 12 253 Calibration Memory – Bad Intelligent Device or Component
SPN 630 FMI 14 630 14 253 Calibration Memory – Special Instructions
SPN 630 FMI 2 630 2 253 Calibration Memory – Data Erratic, Intermittent, or Incorrect
SPN 631 FMI 3 631 3 Calibration Module – Voltage Above Normal, or Shorted to High Source
SPN 631 FMI 8 631 8 Calibration Module – Abnormal Frequency or Pulse Width or Period
SPN 633 FMI 3 633 3 18 Engine Fuel Actuator 1 Control Command – Voltage Above Normal, or Shorted to High Source
SPN 633 FMI 4 633 4 18 Engine Fuel Actuator 1 Control Command – Voltage Below Normal, or Shorted to Low Source
SPN 633 FMI 5 633 5 18 Engine Fuel Actuator 1 Control Command – Current Below Normal or Open Circuit
SPN 636 FMI 2 636 2 21 Camshaft Position Sensor (CMP) – Data Erratic, Intermittent, or Incorrect
SPN 636 FMI 3 636 3 21 Camshaft Position Sensor (CMP) – Voltage Above Normal, or Shorted to High Source
SPN 636 FMI 8 636 8 21 Camshaft Position Sensor (CMP) – Abnormal Frequency or Pulse Width or Period
SPN 637 FMI 2 637 2 22 Crankshaft Position Sensor (CKP) – Data Erratic, Intermittent, or Incorrect
SPN 637 FMI 3 637 3 22 Crankshaft Position Sensor (CKP) – Voltage Above Normal, or Shorted to High Source
SPN 637 FMI 8 637 8 22 Crankshaft Position Sensor (CKP) – Abnormal Frequency or Pulse Width or Period
SPN 639 FMI 2 639 2 231 SAE J1939 Data Link 1 – Data Erratic, Intermittent, or Incorrect
SPN 641 FMI 0 641 27 Engine Variable Geometry Turbocharger (VGT) Actuator 1 – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 641 FMI 13 641 13 27 Engine Variable Geometry Turbocharger (VGT) Actuator 1 – Out of Calibration
SPN 641 FMI 2 641 2 27 Engine Variable Geometry Turbocharger (VGT) Actuator 1 – Data Erratic, Intermittent, or Incorrect
SPN 641 FMI 4 641 4 27 Engine Variable Geometry Turbocharger (VGT) Actuator 1 – Voltage Below Normal, or Shorted to Low Source
SPN 641 FMI 7 641 7 27 Engine Variable Geometry Turbocharger (VGT) Actuator 1 – Mechanical System Not Responding or Out of Adjustment
SPN 641 FMI 9 641 9 27 Engine Variable Geometry Turbocharger (VGT) Actuator 1 – Abnormal Update Rate
SPN 642 FMI 0 642 Engine Variable Geometry Turbocharger (VGT) Actuator 2 – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 642 FMI 16 642 16 Engine Variable Geometry Turbocharger (VGT) Actuator 2 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 647 FMI 3 647 3 33 Engine Fan Clutch Output Device Driver – Voltage Above Normal, or Shorted to High Source
SPN 647 FMI 4 647 4 33 Engine Fan Clutch Output Device Driver – Voltage Below Normal, or Shorted to Low Source
SPN 647 FMI 5 647 5 33 Engine Fan Clutch Output Device Driver – Current Below Normal or Open Circuit
SPN 651 FMI 13 651 13 1 Engine Injector Cylinder 1 – Out of Calibration
SPN 651 FMI 3 651 3 1 Engine Injector Cylinder 1 – Voltage Above Normal, or Shorted to High Source
SPN 651 FMI 31 651 31 1 Engine Injector Cylinder 1 – Condition Exists
SPN 651 FMI 5 651 5 1 Engine Injector Cylinder 1 – Current Below Normal or Open Circuit
SPN 651 FMI 7 651 7 1 Engine Injector Cylinder 1 – Mechanical System Not Responding Properly
SPN 651 FMI 8 651 8 1 Engine Injector Cylinder 1 – Abnormal Frequency or Pulse Width or Period
SPN 652 FMI 13 652 13 2 Engine Injector Cylinder 2 – Out of Calibration
SPN 652 FMI 3 652 3 2 Engine Injector Cylinder 2 – Voltage Above Normal, or Shorted to High Source
SPN 652 FMI 31 652 31 2 Engine Injector Cylinder 2 – Condition Exists
SPN 652 FMI 5 652 5 2 Engine Injector Cylinder 2 – Current Below Normal or Open Circuit
SPN 652 FMI 7 652 7 2 Engine Injector Cylinder 2 – Mechanical System Not Responding Properly
SPN 652 FMI 8 652 8 2 Engine Injector Cylinder 2 – Abnormal Frequency or Pulse Width or Period
SPN 653 FMI 13 653 13 3 Engine Injector Cylinder 3 – Out of Calibration
SPN 653 FMI 3 653 3 3 Engine Injector Cylinder 3 – Voltage Above Normal, or Shorted to High Source
SPN 653 FMI 31 653 31 3 Engine Injector Cylinder 3 – Condition Exists
SPN 653 FMI 5 653 5 3 Engine Injector Cylinder 3 – Current Below Normal or Open Circuit
SPN 653 FMI 7 653 7 3 Engine Injector Cylinder 3 – Mechanical System Not Responding Properly
SPN 653 FMI 8 653 8 3 Engine Injector Cylinder 3 – Abnormal Frequency or Pulse Width or Period
SPN 654 FMI 13 654 13 4 Engine Injector Cylinder 4 – Out of Calibration
SPN 654 FMI 3 654 3 4 Engine Injector Cylinder 4 – Voltage Above Normal, or Shorted to High Source
SPN 654 FMI 31 654 31 4 Engine Injector Cylinder 4 – Condition Exists
SPN 654 FMI 5 654 5 4 Engine Injector Cylinder 4 – Current Below Normal or Open Circuit
SPN 654 FMI 7 654 7 4 Engine Injector Cylinder 4 – Mechanical System Not Responding Properly
SPN 654 FMI 8 654 8 4 Engine Injector Cylinder 4 – Abnormal Frequency or Pulse Width or Period
SPN 655 FMI 13 655 13 5 Engine Injector Cylinder 5 – Out of Calibration
SPN 655 FMI 3 655 3 5 Engine Injector Cylinder 5 – Voltage Above Normal, or Shorted to High Source
SPN 655 FMI 31 655 31 5 Engine Injector Cylinder 5 – Condition Exists
SPN 655 FMI 5 655 5 5 Engine Injector Cylinder 5 – Current Below Normal or Open Circuit
SPN 655 FMI 7 655 7 5 Engine Injector Cylinder 5 – Mechanical System Not Responding Properly
SPN 655 FMI 8 655 8 5 Engine Injector Cylinder 5 – Abnormal Frequency or Pulse Width or Period
SPN 656 FMI 13 656 13 6 Engine Injector Cylinder 6 – Out of Calibration
SPN 656 FMI 3 656 3 6 Engine Injector Cylinder 6 – Voltage Above Normal, or Shorted to High Source
SPN 656 FMI 31 656 31 6 Engine Injector Cylinder 6 – Condition Exists
SPN 656 FMI 5 656 5 6 Engine Injector Cylinder 6 – Current Below Normal or Open Circuit
SPN 656 FMI 7 656 7 6 Engine Injector Cylinder 6 – Mechanical System Not Responding Properly
SPN 656 FMI 8 656 8 6 Engine Injector Cylinder 6 – Abnormal Frequency or Pulse Width or Period
SPN 677 FMI 3 677 3 39 Engine Starter Motor Relay – Voltage Above Normal, or Shorted to High Source
SPN 677 FMI 5 677 5 39 Engine Starter Motor Relay – Current Below Normal or Open Circuit
SPN 729 FMI 3 729 3 70 Intake Air Heater (IAH) 1 – Voltage Above Normal, or Shorted to High Source
SPN 729 FMI 4 729 4 70 Intake Air Heater (IAH) 1 – Voltage Below Normal, or Shorted to Low Source
SPN 729 FMI 5 729 5 70 Intake Air Heater (IAH) 1 – Current Below Normal or Open Circuit
SPN 730 FMI 3 730 3 71 Intake Air Heater (IAH) 2 – Voltage Above Normal, or Shorted to High Source
SPN 730 FMI 4 730 4 71 Intake Air Heater (IAH) 2 – Voltage Below Normal, or Shorted to Low Source
SPN 730 FMI 5 730 5 71 Intake Air Heater (IAH) 2 – Current Below Normal or Open Circuit
SPN 84 FMI 10 84 84 10 Wheel-Based Vehicle Speed – Abnormal Rate of Change
SPN 84 FMI 13 84 84 13 Wheel-Based Vehicle Speed – Out of Calibration
SPN 84 FMI 19 84 84 19 Wheel-Based Vehicle Speed – Received Network Data in Error
SPN 84 FMI 9 84 84 9 Wheel-Based Vehicle Speed – Abnormal Update Rate
SPN 91 FMI 10 91 91 10 Accelerator Pedal Position 1 – Abnormal Rate of Change
SPN 91 FMI 13 91 91 13 Accelerator Pedal Position 1 – Out of Calibration
SPN 91 FMI 19 91 91 19 Accelerator Pedal Position 1 – Received Network Data in Error
SPN 91 FMI 9 91 91 9 Accelerator Pedal Position 1 – Abnormal Rate of Change
SPN 94 FMI 13 94 94 13 Engine Fuel Delivery Pressure – Out of Calibration
SPN 94 FMI 15 94 94 15 Engine Fuel Delivery Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 94 FMI 17 94 94 17 Engine Fuel Delivery Pressure – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 94 FMI 18 94 94 18 Engine Fuel Delivery Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 94 FMI 3 94 94 3 Engine Fuel Delivery Pressure – Voltage Above Normal, or Shorted to High Source
SPN 94 FMI 5 94 94 5 Engine Fuel Delivery Pressure – Current Below Normal or Open Circuit
SPN 94 FMI 7 94 94 7 Engine Fuel Delivery Pressure – Mechanical System Not Responding Properly
SPN 975 FMI 3 26 975 3 Estimated Percent Fan Speed – Voltage Above Normal, or Shorted to High Source
SPN 97 FMI 0 97 97 Water-In-Fuel Indicator – Data Valid But Above Normal Operating Range – Most Severe Level
SPN 97 FMI 3 97 97 3 Water-In-Fuel Indicator – Voltage Above Normal, or Shorted to High Source
SPN 97 FMI 4 97 97 4 Water-In-Fuel Indicator – Voltage Below Normal, or Shorted to Low Source
SPN 98 FMI 1 98 98 1 Engine Oil Level – Data Valid But Above Normal Operational Range
SPN 98 FMI 18 98 98 18 Engine Oil Level – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 98 FMI 4 98 98 4 Engine Oil Level – Voltage Below Normal, or Shorted to Low Source
SPN 98 FMI 5 98 98 5 Engine Oil Level – Current Below Normal or Open Circuit

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