The International A26 engine, introduced in 2017, brought modern engineering and fuel efficiency to heavy-duty fleets. Known for its lightweight design and strong performance, it’s a favorite in long-haul applications. If you’re working on one of these engines, quick access to fault codes will help you get to the root of the problem faster.

International A26 (2017–2020) Engine Overview

  • Displacement: 12.4L
  • Configuration: Inline 6-Cylinder
  • Horsepower Range: 370–515 HP
  • Torque: Up to 1,850 lb-ft
  • Emissions System: SCR + DPF + EGR
  • Applications: International LT, RH, and HX Series trucks

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Fault Codes for International A26 (2017–2020)

Fault PID SPN FMI SID Title
SPN 100 FMI 14 100 14 Engine Oil Pressure – Special Instructions
SPN 100 FMI 17 100 17 Engine Oil Pressure – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 100 FMI 3 100 3 Engine Oil Pressure – Voltage Above Normal, or Shorted to High Source
SPN 100 FMI 4 100 4 Engine Oil Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 102 FMI 0 102 Engine Intake Manifold No. 1 Pressure – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 102 FMI 1 102 1 Engine Intake Manifold No. 1 Pressure – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 102 FMI 10 102 10 Engine Intake Manifold No. 1 Pressure – Abnormal Rate of Change
SPN 102 FMI 16 102 16 Engine Intake Manifold No. 1 Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 102 FMI 18 102 18 Engine Intake Manifold No. 1 Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 102 FMI 2 102 2 Engine Intake Manifold No. 1 Pressure – Data Erratic, Intermittent or Incorrect
SPN 102 FMI 3 102 3 Engine Intake Manifold No. 1 Pressure – Voltage Above Normal, or Shorted to High Source
SPN 102 FMI 4 102 4 Engine Intake Manifold No. 1 Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 105 FMI 0 105 Engine Intake Manifold 1 Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 105 FMI 10 105 10 Engine Intake Manifold 1 Temperature – Abnormal Rate of Change
SPN 105 FMI 18 105 18 Engine Intake Manifold 1 Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 105 FMI 2 105 2 Engine Intake Manifold 1 Temperature – Data Erratic, Intermittent or Incorrect
SPN 105 FMI 3 105 3 Engine Intake Manifold 1 Temperature – Voltage Above Normal, or Shorted to High Source
SPN 105 FMI 4 105 4 Engine Intake Manifold 1 Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 1072 FMI 3 1072 3 Engine Compression Brake Output No. 1 – Voltage Above Normal, or Shorted to High Source
SPN 1072 FMI 4 1072 4 Engine Compression Brake Output No. 1 – Voltage Below Normal, or Shorted to Low Source
SPN 1072 FMI 5 1072 5 Engine Compression Brake Output No. 1 – Current Below Normal or Open Circuit
SPN 1073 FMI 3 1073 3 Engine Compression Brake Output No. 2 – Voltage Above Normal, or Shorted to High Source
SPN 1073 FMI 4 1073 4 Engine Compression Brake Output No. 2 – Voltage Below Normal, or Shorted to Low Source
SPN 1073 FMI 5 1073 5 Engine Compression Brake Output No. 2 – Current Below Normal or Open Circuit
SPN 1081 FMI 3 1081 3 Engine Wait to Start Lamp – Voltage Above Normal, or Shorted to High Source
SPN 1081 FMI 4 1081 4 Engine Wait to Start Lamp – Voltage Below Normal, or Shorted to Low Source
SPN 1081 FMI 5 1081 5 Engine Wait to Start Lamp – Current Below Normal or Open Circuit
SPN 108 FMI 1 108 1 Barometric Pressure – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 108 FMI 2 108 2 Barometric Pressure – Data Erratic, Intermittent or Incorrect
SPN 108 FMI 3 108 3 Barometric Pressure – Voltage Above Normal, or Shorted to High Source
SPN 108 FMI 4 108 4 Barometric Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 110 FMI 0 110 Engine Cooling System Above Critical Temperature
SPN 110 FMI 10 110 10 Engine Coolant Temperature – Abnormal Rate of Change
SPN 110 FMI 14 110 14 Engine Coolant Temperature – Special Instructions
SPN 110 FMI 15 110 15 Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 110 FMI 16 110 16 Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 110 FMI 18 110 18 Engine Coolant Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 110 FMI 2 110 2 Engine Coolant Temperature – Data Erratic, Intermittent or Incorrect
SPN 110 FMI 3 110 3 Engine Coolant Temperature – Voltage Above Normal, or Shorted to High Source
SPN 110 FMI 4 110 4 Engine Coolant Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 1110 FMI 31 1110 31 Engine Protection System Has Shutdown Engine – Condition Exists
SPN 111 FMI 1 111 1 Engine Coolant Level 1 – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 1135 FMI 3 1135 3 Engine Oil Temperature 2 – Voltage Above Normal, or Shorted to High Source
SPN 1135 FMI 4 1135 4 Engine Oil Temperature 2 – Voltage Below Normal, or Shorted to Low Source
SPN 1136 FMI 0 1136 Engine ECU Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 1136 FMI 14 1136 14 Engine ECU Temperature – Special Instructions
SPN 1136 FMI 3 1136 3 Engine ECU Temperature – Voltage Above Normal, or Shorted to High Source
SPN 1136 FMI 4 1136 4 Engine ECU Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 1209 FMI 0 1209 Engine Exhaust Pressure 1 – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 1209 FMI 1 1209 1 Engine Exhaust Pressure 1 – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 1209 FMI 2 1209 2 Engine Exhaust Pressure 1 – Data Erratic, Intermittent or Incorrect
SPN 1209 FMI 3 1209 3 Engine Exhaust Pressure 1 – Voltage Above Normal, or Shorted to High Source
SPN 1209 FMI 4 1209 4 Engine Exhaust Pressure 1 – Voltage Below Normal, or Shorted to Low Source
SPN 1213 FMI 3 1213 3 Malfunction Indicator Lamp – Voltage Above Normal, or Shorted to High Source
SPN 1213 FMI 4 1213 4 Malfunction Indicator Lamp – Voltage Below Normal, or Shorted to Low Source
SPN 1213 FMI 5 1213 5 Malfunction Indicator Lamp – Current Below Normal or Open Circuit
SPN 1244 FMI 5 1244 5 Engine Fuel Actuator 2 Control Command – Current Below Normal or Open Circuit
SPN 1244 FMI 6 1244 6 Engine Fuel Actuator 2 Control Command – Current Above Normal or Grounded Circuit
SPN 1244 FMI 7 1244 7 Engine Fuel Actuator 2 Control Command – Mechanical System Not Responding or Out of Adjustment
SPN 1322 FMI 14 1322 14 Engine Misfire for Multiple Cylinders – Special Instructions
SPN 1322 FMI 31 1322 31 Engine Misfire for Multiple Cylinders – Condition Exists
SPN 1323 FMI 31 1323 31 Engine Misfire Cylinder No. 1 – Condition Exists
SPN 1324 FMI 31 1324 31 Engine Misfire Cylinder No. 2 – Condition Exists
SPN 1325 FMI 31 1325 31 Engine Misfire Cylinder No. 3 – Condition Exists
SPN 1326 FMI 31 1326 31 Engine Misfire Cylinder No. 4 – Condition Exists
SPN 1327 FMI 31 1327 31 Engine Misfire Cylinder No. 5 – Condition Exists
SPN 1328 FMI 31 1328 31 Engine Misfire Cylinder No. 6 – Condition Exists
SPN 132 FMI 0 132 Engine Intake Air Mass Flow Rate – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 132 FMI 13 132 13 Engine Intake Air Mass Flow Rate – Out of Calibration
SPN 132 FMI 16 132 16 Engine Intake Air Mass Flow Rate – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 132 FMI 18 132 18 Engine Intake Air Mass Flow Rate – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 132 FMI 20 132 20 Engine Intake Air Mass Flow Rate – Data Drifted High
SPN 132 FMI 21 132 21 Engine Intake Air Mass Flow Rate – Data Drifted Low
SPN 132 FMI 3 132 3 Engine Intake Air Mass Flow Rate – Voltage Above Normal, or Shorted to High Source
SPN 132 FMI 4 132 4 Engine Intake Air Mass Flow Rate – Voltage Below Normal, or Shorted to Low Source
SPN 1378 FMI 31 1378 31 Engine Oil Change Interval – Condition Exists
SPN 1569 FMI 0 1569 Engine Protection Torque Derate – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 1569 FMI 15 1569 15 Engine Protection Torque Derate – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 1569 FMI 16 1569 16 Engine Protection Torque Derate – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 157 FMI 0 157 Engine Fuel 1 Injector Metering Rail 1 Pressure – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 157 FMI 1 157 1 Engine Fuel 1 Injector Metering Rail 1 Pressure – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 157 FMI 10 157 10 Engine Fuel 1 Injector Metering Rail 1 Pressure – Abnormal Rate of Change
SPN 157 FMI 16 157 16 Engine Fuel 1 Injector Metering Rail 1 Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 157 FMI 18 157 18 Engine Fuel 1 Injector Metering Rail 1 Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 157 FMI 20 157 20 Engine Fuel 1 Injector Metering Rail 1 Pressure – Data Drifted High
SPN 157 FMI 21 157 21 Engine Fuel 1 Injector Metering Rail 1 Pressure – Data Drifted Low
SPN 157 FMI 3 157 3 Engine Fuel 1 Injector Metering Rail 1 Pressure – Voltage Above Normal, or Shorted to High Source
SPN 157 FMI 4 157 4 Engine Fuel 1 Injector Metering Rail 1 Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 158 FMI 16 158 16 Key Switch Battery Potential – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 158 FMI 18 158 18 Key Switch Battery Potential – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 1590 FMI 19 1590 19 Adaptive Cruise Control Mode – Received Network Data in Error
SPN 1659 FMI 14 1659 14 Engine Coolant System Thermostat 1 – Special Instructions
SPN 1659 FMI 18 1659 18 Engine Coolant System Thermostat 1 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 171 FMI 0 171 Ambient Air Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 171 FMI 2 171 2 Ambient Air Temperature – Data Erratic, Intermittent or Incorrect
SPN 171 FMI 3 171 3 Ambient Air Temperature – Voltage Above Normal, or Shorted to High Source
SPN 171 FMI 4 171 4 Ambient Air Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 172 FMI 0 172 Engine Intake 1 Air Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 172 FMI 2 172 2 Engine Intake 1 Air Temperature – Data Erratic, Intermittent or Incorrect
SPN 172 FMI 3 172 3 Engine Intake 1 Air Temperature – Voltage Above Normal, or Shorted to High Source
SPN 172 FMI 4 172 4 Engine Intake 1 Air Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 173 FMI 0 173 Engine Exhaust Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 173 FMI 2 173 2 Engine Exhaust Temperature – Data Erratic, Intermittent or Incorrect
SPN 173 FMI 3 173 3 Engine Exhaust Temperature – Voltage Above Normal, or Shorted to High Source
SPN 173 FMI 4 173 4 Engine Exhaust Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 175 FMI 0 175 Engine Oil Temperature 1 – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 175 FMI 14 175 14 Engine Oil Temperature 1 – Special Instructions
SPN 175 FMI 15 175 15 Engine Oil Temperature 1 – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 175 FMI 2 175 2 Engine Oil Temperature 1 – Data Erratic, Intermittent or Incorrect
SPN 175 FMI 3 175 3 Engine Oil Temperature 1 – Voltage Above Normal, or Shorted to High Source
SPN 175 FMI 4 175 4 Engine Oil Temperature 1 – Voltage Below Normal, or Shorted to Low Source
SPN 1761 FMI 1 1761 1 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 1761 FMI 10 1761 10 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Abnormal Rate of Change
SPN 1761 FMI 12 1761 12 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Bad Intelligent Device or Component
SPN 1761 FMI 13 1761 13 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Out of Calibration
SPN 1761 FMI 17 1761 17 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 1761 FMI 18 1761 18 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 1761 FMI 19 1761 19 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Received Network Data in Error
SPN 1761 FMI 3 1761 3 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Voltage Above Normal, or Shorted to High Source
SPN 1761 FMI 4 1761 4 Aftertreatment 1 Diesel Exhaust Fluid Tank Volume – Voltage Below Normal, or Shorted to Low Source
SPN 188 FMI 14 188 14 Engine Speed at Idle, Point 1 – Special Instructions
SPN 188 FMI 16 188 16 Engine Speed at Idle, Point 1 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 188 FMI 18 188 18 Engine Speed at Idle, Point 1 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 191 FMI 19 191 19 Transmission Output Shaft Speed – Received Network Data in Error
SPN 191 FMI 2 191 2 Transmission Output Shaft Speed – Data Erratic, Intermittent or Incorrect
SPN 191 FMI 3 191 3 Transmission Output Shaft Speed – Voltage Above Normal, or Shorted to High Source
SPN 191 FMI 4 191 4 Transmission Output Shaft Speed – Voltage Below Normal, or Shorted to Low Source
SPN 2599 FMI 19 2599 19 Fire Apparatus Pump Engagement – Received Network Data in Error
SPN 2623 FMI 3 2623 3 Accelerator Pedal No. 1 Channel 2 – Voltage Above Normal, or Shorted to High Source
SPN 2623 FMI 4 2623 4 Accelerator Pedal No. 1 Channel 2 – Voltage Below Normal, or Shorted to Low Source
SPN 2629 FMI 0 2629 Engine Turbocharger 1 Compressor Outlet Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 2629 FMI 2 2629 2 Engine Turbocharger 1 Compressor Outlet Temperature – Data Erratic, Intermittent or Incorrect
SPN 2629 FMI 3 2629 3 Engine Turbocharger 1 Compressor Outlet Temperature – Voltage Above Normal, or Shorted to High Source
SPN 2629 FMI 4 2629 4 Engine Turbocharger 1 Compressor Outlet Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 2630 FMI 0 2630 Engine Charge Air Cooler 1 Outlet Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 2630 FMI 2 2630 2 Engine Charge Air Cooler 1 Outlet Temperature – Data Erratic, Intermittent or Incorrect
SPN 2630 FMI 3 2630 3 CACOT Engine Charge Air Cooler 1 Outlet Temperature – Voltage Above Normal, or Shorted to High Source
SPN 2630 FMI 4 2630 4 CACOT Engine Charge Air Cooler 1 Outlet Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 2634 FMI 3 2634 3 Power Relay – Voltage Above Normal, or Shorted to High Source
SPN 2634 FMI 5 2634 5 Power Relay – Current Below Normal or Open Circuit
SPN 2659 FMI 10 2659 10 Engine Exhaust Gas Recirculation 1 Mass Flow Rate – Abnormal Update Rate
SPN 2659 FMI 16 2659 16 Engine Exhaust Gas Recirculation 1 Mass Flow Rate – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 2659 FMI 18 2659 18 Engine Exhaust Gas Recirculation 1 Mass Flow Rate – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 2791 FMI 12 2791 12 Engine Exhaust Gas Recirculation 1 Valve 1 Control 1 – Bad Intelligent Device or Component
SPN 2791 FMI 19 2791 19 Engine Exhaust Gas Recirculation 1 Valve 1 Control 1 – Received Network Data in Error
SPN 2791 FMI 2 2791 2 Engine Exhaust Gas Recirculation 1 Valve 1 Control 1 – Data Erratic, Intermittent or Incorrect
SPN 2791 FMI 3 2791 3 Engine Exhaust Gas Recirculation 1 Valve 1 Control 1 – Voltage Above Normal, or Shorted to High Source
SPN 2791 FMI 4 2791 4 Engine Exhaust Gas Recirculation 1 Valve 1 Control 1 – Voltage Below Normal, or Shorted to Low Source
SPN 2791 FMI 7 2791 7 Engine Exhaust Gas Recirculation 1 Valve 1 Control 1 – Mechanical System Not Responding or Out of Adjustment
SPN 2797 FMI 11 2797 11 Engine Fuel 1 Injector Group 1 – Root Cause Not Known
SPN 2798 FMI 11 2798 11 Engine Fuel 1 Injector Group 2 – Root Cause Not Known
SPN 2798 FMI 8 2798 8 Engine Fuel 1 Injector Group 2 – Abnormal Frequency or Pulse Width or Period
SPN 3031 FMI 13 3031 13 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature 1 – Out of Calibration
SPN 3031 FMI 2 3031 2 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature 1 – Data Erratic, Intermittent or Incorrect
SPN 3031 FMI 20 3031 20 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature 1 – Data Drifted High
SPN 3031 FMI 3 3031 3 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature 1 – Voltage Above Normal, or Shorted to High Source
SPN 3031 FMI 4 3031 4 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature 1 – Voltage Below Normal, or Shorted to Low Source
SPN 3061 FMI 31 3061 31 Engine Cold Start Emission Reduction Strategy System Monitor – Condition Exists
SPN 3216 FMI 10 3216 10 Aftertreatment 1 SCR Intake NOx 1 – Abnormal Rate of Change
SPN 3216 FMI 13 3216 13 Aftertreatment 1 SCR Intake NOx 1 – Out Of Calibration
SPN 3216 FMI 16 3216 16 Aftertreatment 1 SCR Intake NOx 1 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3216 FMI 18 3216 18 Aftertreatment 1 SCR Intake NOx 1 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 3216 FMI 19 3216 19 Aftertreatment 1 SCR Intake NOx 1 – Received Network Data in Error
SPN 3216 FMI 2 3216 2 Aftertreatment 1 SCR Intake NOx 1 – Data Erratic, Intermittent or Incorrect
SPN 3216 FMI 4 3216 4 Aftertreatment 1 SCR Intake NOx 1 – Voltage Below Normal, or Shorted to Low Source
SPN 3217 FMI 2 3217 2 Aftertreatment 1 Intake Percent Oxygen 1 – Data Erratic, Intermittent or Incorrect
SPN 3218 FMI 2 3218 2 Aftertreatment 1 Intake Gas Sensor 1 Power in Range – Data Erratic, Intermittent or Incorrect
SPN 3226 FMI 10 3226 10 Aftertreatment 1 Outlet NOx 1 – Abnormal Rate of Change
SPN 3226 FMI 11 3226 11 Aftertreatment 1 Outlet NOx 1 – Root Cause Not Known
SPN 3226 FMI 13 3226 13 Aftertreatment 1 Outlet NOx 1 – Out of Calibration
SPN 3226 FMI 16 3226 16 Aftertreatment 1 Outlet NOx 1 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3226 FMI 18 3226 18 Aftertreatment 1 Outlet NOx 1 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 3226 FMI 19 3226 19 Aftertreatment 1 Outlet NOx 1 – Received Network Data in Error
SPN 3226 FMI 2 3226 2 Aftertreatment 1 Outlet NOx 1 – Data Erratic, Intermittent or Incorrect
SPN 3226 FMI 4 3226 4 Aftertreatment 1 Outlet NOx 1 – Voltage Below Normal, or Shorted to Low Source
SPN 3228 FMI 2 3228 2 Aftertreatment 1 Outlet Gas Sensor 1 Power in Range – Data Erratic, Intermittent or Incorrect
SPN 3242 FMI 0 3242 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3242 FMI 12 3242 12 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Bad Intelligent Device or Component
SPN 3242 FMI 15 3242 15 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3242 FMI 16 3242 16 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3242 FMI 18 3242 18 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 3242 FMI 2 3242 2 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Data Erratic, Intermittent or Incorrect
SPN 3242 FMI 20 3242 20 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Data Drifted High
SPN 3242 FMI 21 3242 21 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Data Drifted Low
SPN 3242 FMI 3 3242 3 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Voltage Above Normal, or Shorted to High Source
SPN 3242 FMI 4 3242 4 Aftertreatment 1 Diesel Particulate Filter Intake Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 3246 FMI 0 3246 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3246 FMI 12 3246 12 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Bad Intelligent Device or Component
SPN 3246 FMI 15 3246 15 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3246 FMI 16 3246 16 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3246 FMI 18 3246 18 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 3246 FMI 2 3246 2 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Data Erratic, Intermittent or Incorrect
SPN 3246 FMI 20 3246 20 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Data Drifted High
SPN 3246 FMI 21 3246 21 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Data Drifted Low
SPN 3246 FMI 3 3246 3 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Voltage Above Normal, or Shorted to High Source
SPN 3246 FMI 4 3246 4 Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 3251 FMI 0 3251 Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 3251 FMI 15 3251 15 Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3251 FMI 16 3251 16 Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3251 FMI 2 3251 2 Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Data Erratic, Intermittent or Incorrect
SPN 3251 FMI 3 3251 3 Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Voltage Above Normal, or Shorted to High Source
SPN 3251 FMI 4 3251 4 Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 3362 FMI 31 3362 31 Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 1 Input Lines – Condition Exists
SPN 3363 FMI 16 3363 16 Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3363 FMI 17 3363 17 Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 3363 FMI 18 3363 18 Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 3363 FMI 3 3363 3 Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Voltage Above Normal, or Shorted to High Source
SPN 3363 FMI 4 3363 4 Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Voltage Below Normal, or Shorted to Low Source
SPN 3364 FMI 13 3364 13 Aftertreatment 1 Diesel Exhaust Fluid Tank Quality – Out of Calibration
SPN 3480 FMI 17 3480 17 Aftertreatment 1 Fuel Pressure 1 – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 3480 FMI 2 3480 2 Aftertreatment 1 Fuel Pressure 1 – Data Erratic, Intermittent or Incorrect
SPN 3480 FMI 20 3480 20 Aftertreatment 1 Fuel Pressure 1 – Data Drifted High
SPN 3480 FMI 3 3480 3 Aftertreatment 1 Fuel Pressure 1 – Voltage Above Normal, or Shorted to High Source
SPN 3480 FMI 4 3480 4 Aftertreatment 1 Fuel Pressure 1 – Voltage Below Normal, or Shorted to Low Source
SPN 3482 FMI 16 3482 16 Aftertreatment 1 Fuel Enable Actuator – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3482 FMI 2 3482 2 Aftertreatment 1 Fuel Enable Actuator – Data Erratic, Intermittent or Incorrect
SPN 3482 FMI 3 3482 3 Aftertreatment 1 Fuel Enable Actuator – Voltage Above Normal, or Shorted to High Source
SPN 3482 FMI 4 3482 4 Aftertreatment 1 Fuel Enable Actuator – Voltage Below Normal, or Shorted to Low Source
SPN 3482 FMI 7 3482 7 Aftertreatment 1 Fuel Enable Actuator – Mechanical System Not Responding or Out of Adjustment
SPN 3490 FMI 3 3490 3 Aftertreatment 1 Purge Air Actuator – Voltage Above Normal, or Shorted to High Source
SPN 3490 FMI 4 3490 4 Aftertreatment 1 Purge Air Actuator – Voltage Below Normal, or Shorted to Low Source
SPN 3490 FMI 7 3490 7 Aftertreatment 1 Purge Air Actuator – Mechanical System Not Responding or Out of Adjustment
SPN 3509 FMI 14 3509 14 Sensor Supply Voltage 1 – Special Instructions
SPN 3509 FMI 3 3509 3 Sensor Supply Voltage 1 – Voltage Above Normal, or Shorted to High Source
SPN 3509 FMI 4 3509 4 Sensor Supply Voltage 1 – Voltage Below Normal, or Shorted to Low Source
SPN 3509 FMI 6 3509 6 Sensor Supply Voltage 1 – Current Above Normal or Grounded Circuit
SPN 3510 FMI 14 3510 14 Sensor Supply Voltage 2 – Special Instructions
SPN 3510 FMI 3 3510 3 Sensor Supply Voltage 2 – Voltage Above Normal, or Shorted to High Source
SPN 3510 FMI 4 3510 4 Sensor Supply Voltage 2 – Voltage Below Normal, or Shorted to Low Source
SPN 3510 FMI 6 3510 6 Sensor Supply Voltage 2 – Current Above Normal or Grounded Circuit
SPN 3511 FMI 14 3511 14 Sensor Supply Voltage 3 – Special Instructions
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 3511 FMI 6 3511 6 Sensor Supply Voltage 3 – Current Above Normal or Grounded Circuit
SPN 3512 FMI 14 3512 14 Sensor Supply Voltage 4 – Special Instructions
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 3512 FMI 6 3512 6 Sensor Supply Voltage 4 – Current Above Normal or Grounded Circuit
SPN 3515 FMI 10 3515 10 Aftertreatment 1 Diesel Exhaust Fluid Temperature 2 – Abnormal Rate of Change
SPN 3515 FMI 20 3515 20 Aftertreatment 1 Diesel Exhaust Fluid Temperature 2 – Data Drifted High
SPN 3515 FMI 3 3515 3 Aftertreatment 1 Diesel Exhaust Fluid Temperature 2 – Voltage Above Normal, or Shorted to High Source
SPN 3515 FMI 4 3515 4 Aftertreatment 1 Diesel Exhaust Fluid Temperature 2 – Voltage Below Normal, or Shorted to Low Source
SPN 3516 FMI 10 3516 10 Aftertreatment 1 Diesel Exhaust Fluid Concentration – Abnormal Rate of Change
SPN 3516 FMI 12 3516 12 Aftertreatment 1 Diesel Exhaust Fluid Concentration – Bad Intelligent Device or Component
SPN 3516 FMI 15 3516 15 Aftertreatment 1 Diesel Exhaust Fluid Concentration – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3516 FMI 19 3516 19 Aftertreatment 1 Diesel Exhaust Fluid Concentration – Received Network Data in Error
SPN 3516 FMI 2 3516 2 Aftertreatment 1 Diesel Exhaust Fluid Concentration – Data Erratic, Intermittent or Incorrect
SPN 3516 FMI 3 3516 3 Aftertreatment 1 Diesel Exhaust Fluid Concentration – Voltage Above Normal, or Shorted to High Source
SPN 3516 FMI 4 3516 4 Aftertreatment 1 Diesel Exhaust Fluid Concentration – Voltage Below Normal, or Shorted to Low Source
SPN 3521 FMI 14 3521 14 Aftertreatment 1 Diesel Exhaust Fluid Property – Special Instructions
SPN 3556 FMI 18 3556 18 Aftertreatment 1 Hydrocarbon Doser 1 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 3556 FMI 2 3556 2 Aftertreatment 1 Hydrocarbon Doser 1 – Data Erratic, Intermittent or Incorrect
SPN 3556 FMI 5 3556 5 Aftertreatment 1 Hydrocarbon Doser 1 – Current Below Normal or Open Circuit
SPN 3597 FMI 3 3597 3 ECU Power Output Supply Voltage No. 1 – Voltage Above Normal, or Shorted to High Source
SPN 3597 FMI 4 3597 4 ECU Power Output Supply Voltage No. 1 – Voltage Below Normal, or Shorted to Low Source
SPN 3598 FMI 3 3598 3 ECU Power Output Supply Voltage No. 2 – Voltage Above Normal, or Shorted to High Source
SPN 3598 FMI 4 3598 4 ECU Power Output Supply Voltage No. 2 – Voltage Below Normal, or Shorted to Low Source
SPN 3599 FMI 3 3599 3 ECU Power Output Supply Voltage No. 3 – Voltage Above Normal, or Shorted to High Source
SPN 3599 FMI 4 3599 4 ECU Power Output Supply Voltage No. 3 – Voltage Below Normal, or Shorted to Low Source
SPN 3610 FMI 10 3610 10 Aftertreatment 1 Diesel Particulate Filter Outlet Pressure – Abnormal Rate of Change
SPN 3610 FMI 16 3610 16 Aftertreatment 1 Diesel Particulate Filter Outlet Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 3610 FMI 2 3610 2 Aftertreatment 1 Diesel Particulate Filter Outlet Pressure – Data Erratic, Intermittent or Incorrect
SPN 3610 FMI 3 3610 3 Aftertreatment 1 Diesel Particulate Filter Outlet Pressure – Voltage Above Normal, or Shorted to High Source
SPN 3610 FMI 4 3610 4 Aftertreatment 1 Diesel Particulate Filter Outlet Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 3695 FMI 2 3695 2 Aftertreatment Regeneration Inhibit Switch – Data Erratic, Intermittent or Incorrect
SPN 3703 FMI 31 3703 31 Diesel Particulate Filter Active Regeneration Inhibited Due to Inhibit Switch – Condition Exists
SPN 3713 FMI 31 3713 31 Diesel Particulate Filter Active Regeneration Inhibited Due to System Timeout – Condition Exists
SPN 3750 FMI 31 3750 31 Aftertreatment 1 Diesel Particulate Filter Conditions Not Met for Active Regeneration – Condition Exists
SPN 3936 FMI 14 3936 14 Aftertreatment Diesel Particulate Filter System – Special Instructions
SPN 3936 FMI 15 3936 15 Aftertreatment Diesel Particulate Filter System – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 3936 FMI 16 3936 16 Aftertreatment Diesel Particulate Filter System – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 4094 FMI 31 4094 31 NOx limits exceeded due to Insufficient Diesel Exhaust Fluid Quality – Condition Exists
SPN 412 FMI 0 412 Engine Exhaust Gas Recirculation 1 Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 412 FMI 2 412 2 Engine Exhaust Gas Recirculation 1 Temperature – Data Erratic, Intermittent or Incorrect
SPN 412 FMI 3 412 3 Engine Exhaust Gas Recirculation 1 Temperature – Voltage Above Normal, or Shorted to High Source
SPN 412 FMI 4 412 4 Engine Exhaust Gas Recirculation 1 Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 4192 FMI 3 4192 3 Engine Fuel Filter Water Level Sensor – Voltage Above Normal, or Shorted to High Source
SPN 4192 FMI 4 4192 4 Engine Fuel Filter Water Level Sensor – Voltage Below Normal, or Shorted to Low Source
SPN 4227 FMI 1 4227 1 Engine Crankcase Breather Oil Separator – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 4227 FMI 8 4227 8 Engine Crankcase Breather Oil Separator – Abnormal Frequency or Pulse Width or Period
SPN 4228 FMI 0 4228 Engine Variable Geometry Turbocharger Actuator 1 Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 4228 FMI 14 4228 14 Engine Variable Geometry Turbocharger Actuator 1 Temperature – Special Instructions
SPN 4228 FMI 15 4228 15 Engine Variable Geometry Turbocharger Actuator 1 Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 4331 FMI 16 4331 16 Aftertreatment 1 Diesel Exhaust Fluid Actual Dosing Quantity – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 4331 FMI 18 4331 18 Aftertreatment 1 Diesel Exhaust Fluid Actual Dosing Quantity – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 4334 FMI 15 4334 15 Aftertreatment 1 Diesel Exhaust Fluid Doser 1 Absolute Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 4334 FMI 16 4334 16 Aftertreatment 1 Diesel Exhaust Fluid Doser 1 Absolute Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 4334 FMI 18 4334 18 Aftertreatment 1 Diesel Exhaust Fluid Doser 1 Absolute Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 4334 FMI 2 4334 2 Aftertreatment 1 Diesel Exhaust Fluid Doser 1 Absolute Pressure – Data Erratic, Intermittent or Incorrect
SPN 4334 FMI 20 4334 20 Aftertreatment 1 Diesel Exhaust Fluid Doser 1 Absolute Pressure – Data Drifted High
SPN 4334 FMI 3 4334 3 Aftertreatment 1 Diesel Exhaust Fluid Doser 1 Absolute Pressure – Voltage Above Normal, or Shorted to High Source
SPN 4334 FMI 4 4334 4 Aftertreatment 1 Diesel Exhaust Fluid Doser 1 Absolute Pressure – Voltage Below Normal, or Shorted to Low Source
SPN 4334 FMI 7 4334 7 Aftertreatment 1 Diesel Exhaust Fluid Doser 1 Absolute Pressure – Mechanical System Not Responding or Out of Adjustment
SPN 4340 FMI 3 4340 3 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 State – Voltage Above Normal, or Shorted to High Source
SPN 4340 FMI 4 4340 4 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 State – Voltage Below Normal, or Shorted to Low Source
SPN 4342 FMI 3 4342 3 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 State – Voltage Above Normal, or Shorted to High Source
SPN 4342 FMI 4 4342 4 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 State – Voltage Below Normal, or Shorted to Low Source
SPN 4344 FMI 3 4344 3 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3 State – Voltage Above Normal, or Shorted to High Source
SPN 4344 FMI 4 4344 4 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3 State – Voltage Below Normal, or Shorted to Low Source
SPN 4360 FMI 14 4360 14 Aftertreatment 1 SCR Intake Temperature – Special Instructions
SPN 4360 FMI 2 4360 2 Aftertreatment 1 SCR Intake Temperature – Data Erratic, Intermittent or Incorrect
SPN 4363 FMI 0 4363 Aftertreatment 1 SCR Outlet Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 4363 FMI 16 4363 16 Aftertreatment 1 SCR Outlet Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 4363 FMI 2 4363 2 Aftertreatment 1 SCR Outlet Temperature – Data Erratic, Intermittent or Incorrect
SPN 4363 FMI 20 4363 20 Aftertreatment 1 SCR Outlet Temperature – Data Drifted High
SPN 4363 FMI 21 4363 21 Aftertreatment 1 SCR Outlet Temperature – Data Drifted Low
SPN 4363 FMI 3 4363 3 Aftertreatment 1 SCR Outlet Temperature – Voltage Above Normal, or Shorted to High Source
SPN 4363 FMI 4 4363 4 Aftertreatment 1 SCR Outlet Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 4364 FMI 18 4364 18 Aftertreatment 1 SCR Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 4375 FMI 2 4375 2 Aftertreatment 1 Diesel Exhaust Fluid Pump Drive Percentage – Data Erratic, Intermittent or Incorrect
SPN 4752 FMI 18 4752 18 Engine Exhaust Gas Recirculation 1 Cooler Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 4765 FMI 12 4765 12 Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature – Bad Intelligent Device or Component
SPN 4765 FMI 16 4765 16 Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 4765 FMI 18 4765 18 Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 4765 FMI 2 4765 2 Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature – Data Erratic, Intermittent or Incorrect
SPN 4765 FMI 20 4765 20 Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature – Data Drifted High
SPN 4765 FMI 21 4765 21 Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature – Data Drifted Low
SPN 4765 FMI 3 4765 3 Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature – Voltage Above Normal, or Shorted to High Source
SPN 4765 FMI 4 4765 4 Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 4792 FMI 10 4792 10 Aftertreatment 1 SCR System – Abnormal Rate of Change
SPN 4795 FMI 31 4795 31 Aftertreatment 1 Diesel Particulate Filter Missing – Conditions Exists
SPN 5016 FMI 3 5016 3 ECU Power Output Supply Voltage No. 4 – Voltage Above Normal, or Shorted to High Source
SPN 5016 FMI 4 5016 4 ECU Power Output Supply Voltage No. 4 – Voltage Below Normal, or Shorted to Low Source
SPN 5024 FMI 10 5024 10 Aftertreatment 1 Intake NOx Sensor Heater Ratio – Abnormal Rate of Change
SPN 5031 FMI 10 5031 10 Aftertreatment 1 Outlet NOx Sensor Heater Ratio – Abnormal Rate of Change
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 – Lease 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 5285 18 Engine Charge Air Cooler 1 Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 5298 FMI 18 5298 18 Aftertreatment 1 Diesel Oxidation Catalyst Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 5319 FMI 31 5319 31 Aftertreatment 1 Diesel Particulate Filter Incomplete Regeneration – Condition Exists
SPN 5394 FMI 5 5394 5 Aftertreatment 1 Diesel Exhaust Fluid Doser Valve 1 – Current Below Normal or Open Circuit
SPN 5394 FMI 7 5394 7 Aftertreatment 1 Diesel Exhaust Fluid Doser Valve 1 – Mechanical System Not Responding or Out of Adjustment
SPN 5395 FMI 0 5395 Engine Unable to Achieve Desired Idle Torque (Too High)
SPN 5395 FMI 1 5395 1 Engine Unable to Achieve Desired Idle Torque (Too Low)
SPN 5395 FMI 16 5395 16 Engine Idle Fuel Quantity – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 5395 FMI 18 5395 18 Engine Idle Fuel Quantity – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 5397 FMI 31 5397 31 Aftertreatment 1 Diesel Particulate Filter Regeneration Too Frequent – Condition Exists
SPN 5491 FMI 3 5491 3 Aftertreatment 1 Diesel Exhaust Fluid Line Heater Relay 1 – Voltage Above Normal, or Shorted to High Source
SPN 5491 FMI 5 5491 5 Aftertreatment 1 Diesel Exhaust Fluid Line Heater Relay 1 – Current Below Normal or Open Circuit
SPN 5548 FMI 1 5548 1 Engine Cold Start Fuel Igniter Command – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 5548 FMI 3 5548 3 Engine Cold Start Fuel Igniter Command – Voltage Above Normal, or Shorted to High Source
SPN 5548 FMI 4 5548 4 Engine Cold Start Fuel Igniter Command – Voltage Below Normal, or Shorted to Low Source
SPN 5548 FMI 5 5548 5 Engine Cold Start Fuel Igniter Command – Current Below Normal or Open Circuit
SPN 5548 FMI 8 5548 8 Engine Cold Start Fuel Igniter Command – Abnormal Frequency or Pulse Width or Period
SPN 5569 FMI 16 5569 16 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 5569 FMI 2 5569 2 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature – Data Erratic, Intermittent or Incorrect
SPN 5569 FMI 3 5569 3 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature – Voltage Above Normal, or Shorted to High Source
SPN 5569 FMI 4 5569 4 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 5585 FMI 1 5585 1 Engine Fuel 1 Injector Metering Rail 1 Cranking Pressure – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 560 FMI 2 560 2 Transmission Driveline Engaged – Data Erratic, Intermittent or Incorrect
SPN 5742 FMI 12 5742 12 Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Bad Intelligent Device or Component
SPN 5742 FMI 16 5742 16 Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 5742 FMI 19 5742 19 Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Received Network Data in Error
SPN 5742 FMI 3 5742 3 Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Voltage Above Normal, or Shorted to High Source
SPN 5742 FMI 4 5742 4 Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Voltage Below Normal, or Shorted to Low Source
SPN 5743 FMI 19 5743 19 Aftertreatment 1 SCR Temperature Sensor Module – Received Network Data in Error
SPN 5747 FMI 10 5747 10 Aftertreatment 1 Outlet Soot Sensor Heater – Abnormal Rate of Change
SPN 5747 FMI 3 5747 3 Aftertreatment 1 Outlet Soot Sensor Heater – Voltage Above Normal, or Shorted to High Source
SPN 5747 FMI 4 5747 4 Aftertreatment 1 Outlet Soot Sensor Heater – Voltage Below Normal, or Shorted to Low Source
SPN 5747 FMI 5 5747 5 Aftertreatment 1 Outlet Soot Sensor Heater – Current Below Normal or Open Circuit
SPN 5765 FMI 0 5765 Engine Exhaust Gas Recirculation 1 Actuator 1 Temperature – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 5765 FMI 14 5765 14 Engine Exhaust Gas Recirculation 1 Actuator 1 Temperature – Special Instructions
SPN 5765 FMI 15 5765 15 Engine Exhaust Gas Recirculation 1 Actuator 1 Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 5835 FMI 19 5835 19 Aftertreatment 1 Particulate Sensor – Received Network Data in Error
SPN 5835 FMI 21 5835 21 Aftertreatment 1 Particulate Sensor – Data Drifted Low
SPN 5835 FMI 3 5835 3 Aftertreatment 1 Particulate Sensor – Voltage Above Normal, or Shorted to High Source
SPN 5835 FMI 4 5835 4 Aftertreatment 1 Particulate Sensor – Voltage Below Normal, or Shorted to Low Source
SPN 597 FMI 19 597 19 Brake Switch – Received Network Data in Error
SPN 626 FMI 3 626 3 Engine Start Enable Device 1 – Voltage Above Normal, or Shorted to High Source
SPN 626 FMI 4 626 4 Engine Start Enable Device 1 – Voltage Below Normal, or Shorted to Low Source
SPN 626 FMI 5 626 5 Engine Start Enable Device 1 – Current Below Normal or Open Circuit
SPN 628 FMI 12 628 12 Program Memory – Bad Intelligent Device or Component
SPN 629 FMI 0 629 ECM Error – Controller No. 1 – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 629 FMI 12 629 12 Controller No. 1 – Bad Intelligent Device or Component
SPN 629 FMI 14 629 14 Controller No. 1 – Special Instructions
SPN 629 FMI 15 629 15 Controller No. 1 – Data Valid But Above Normal Operating Range – Least Severe Level
SPN 629 FMI 2 629 2 Controller No. 1 – Data Erratic, Intermittent or Incorrect
SPN 629 FMI 31 629 31 Controller No. 1 – Condition Exists
SPN 629 FMI 8 629 8 Controller No. 1 – Abnormal Frequency or Pulse Width or Period
SPN 633 FMI 3 633 3 Engine Fuel Actuator 1 Control Command – Voltage Above Normal, or Shorted to High Source
SPN 633 FMI 4 633 4 Engine Fuel Actuator 1 Control Command – Voltage Below Normal, or Shorted to Low Source
SPN 633 FMI 5 633 5 Engine Fuel Actuator 1 Control Command – Current Below Normal or Open Circuit
SPN 636 FMI 10 636 10 Engine Position Sensor – Abnormal Rate of Change
SPN 636 FMI 2 636 2 Engine Position Sensor – Data Erratic, Intermittent or Incorrect
SPN 636 FMI 8 636 8 Engine Position Sensor – Abnormal Frequency or Pulse Width or Period
SPN 637 FMI 10 637 10 Engine Timing Sensor – Abnormal Rate of Change
SPN 637 FMI 8 637 8 Engine Timing Sensor – Abnormal Frequency or Pulse Width or Period
SPN 639 FMI 14 639 14 J1939 Network No. 1, Primary Vehicle Network – Special Instructions
SPN 639 FMI 19 639 19 J1939 Network No. 1, Primary Vehicle Network – Received Network Data in Error
SPN 641 FMI 12 641 12 Engine Variable Geometry Turbocharger Actuator No. 1 – Bad Intelligent Device or Component
SPN 641 FMI 14 641 14 Engine Variable Geometry Turbocharger Actuator No. 1 – Special Instructions
SPN 641 FMI 19 641 19 Engine Variable Geometry Turbocharger Actuator No. 1 – Received Network Data in Error
SPN 641 FMI 2 641 2 Engine Variable Geometry Turbocharger Actuator No. 1 – Data Erratic, Intermittent or Incorrect
SPN 641 FMI 7 641 7 Engine Variable Geometry Turbocharger Actuator No. 1 – Mechanical System Not Responding or Out of Adjustment
SPN 651 FMI 13 651 13 Engine Fuel 1 Injector Cylinder 1 – Out of Calibration
SPN 651 FMI 16 651 16 Engine Fuel 1 Injector Cylinder 1 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 651 FMI 18 651 18 Engine Fuel 1 Injector Cylinder 1 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 651 FMI 3 651 3 Engine Fuel 1 Injector Cylinder 1 – Voltage Above Normal, or Shorted to High Score
SPN 651 FMI 4 651 4 Engine Fuel 1 Injector Cylinder 1 – Voltage Below Normal, or Shorted to Low Source
SPN 651 FMI 5 651 5 Engine Fuel 1 Injector Cylinder 1 – Current Below Normal or Open Circuit
SPN 652 FMI 13 652 13 Engine Fuel 1 Injector Cylinder 2 – Out of Calibration
SPN 652 FMI 16 652 16 Engine Fuel 1 Injector Cylinder 2 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 652 FMI 18 652 18 Engine Fuel 1 Injector Cylinder 2 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 652 FMI 3 652 3 Engine Fuel 1 Injector Cylinder 2 – Voltage Above Normal, or Shorted to High Source
SPN 652 FMI 4 652 4 Engine Fuel 1 Injector Cylinder 2 – Voltage Below Normal, or Shorted to Low Source
SPN 652 FMI 5 652 5 Engine Fuel 1 Injector Cylinder 2 – Current Below Normal or Open Circuit
SPN 653 FMI 13 653 13 Engine Fuel 1 Injector Cylinder 3 – Out of Calibration
SPN 653 FMI 16 653 16 Engine Fuel 1 Injector Cylinder 3 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 653 FMI 18 653 18 Engine Fuel 1 Injector Cylinder 3 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 653 FMI 3 653 3 Engine Fuel 1 Injector Cylinder 3 – Voltage Above Normal, or Shorted to High Source
SPN 653 FMI 4 653 4 Engine Fuel 1 Injector Cylinder 3 – Voltage Below Normal, or Shorted to Low Source
SPN 653 FMI 5 653 5 Engine Fuel 1 Injector 3 – Current Below Normal or Open Circuit
SPN 654 FMI 13 654 13 Engine Fuel 1 Injector Cylinder 4 – Out of Calibration
SPN 654 FMI 16 654 16 Engine Fuel 1 Injector Cylinder 4 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 654 FMI 18 654 18 Engine Fuel 1 Injector Cylinder 4 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 654 FMI 3 654 3 Engine Fuel 1 Injector Cylinder 4 – Voltage Above Normal, or Shorted to High Source
SPN 654 FMI 4 654 4 Engine Fuel 1 Injector Cylinder 4 – Voltage Below Normal, or Shorted to Low Source
SPN 654 FMI 5 654 5 Engine Fuel Injector 1 Cylinder 4 – Current Below Normal or Open Circuit
SPN 655 FMI 13 655 13 Engine Fuel 1 Injector Cylinder 5 – Out of Calibration
SPN 655 FMI 16 655 16 Engine Fuel 1 Injector Cylinder 5 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 655 FMI 18 655 18 Engine Fuel 1 Injector Cylinder 5 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 655 FMI 3 655 3 Engine Fuel 1 Injector Cylinder 5 – Voltage Above Normal, or Shorted to High Source
SPN 655 FMI 4 655 4 Engine Fuel 1 Injector Cylinder 5 – Voltage Below Normal, or Shorted to Low Source
SPN 655 FMI 5 655 5 Engine Fuel 1 Injector Cylinder 5 – Current Below Normal or Open Circuit
SPN 656 FMI 13 656 13 Engine Fuel 1 Injector Cylinder 6 – Out of Calibration
SPN 656 FMI 16 656 16 Engine Fuel 1 Injector Cylinder 6 – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 656 FMI 18 656 18 Engine Fuel 1 Injector Cylinder 6 – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 656 FMI 3 656 3 Engine Fuel 1 Injector Cylinder 6 – Voltage Above Normal, or Shorted to High Source
SPN 656 FMI 4 656 4 Engine Fuel 1 Injector Cylinder 6 – Voltage Below Normal, or Shorted to Low Source
SPN 656 FMI 5 656 5 Engine Fuel 1 Injector Cylinder 6 – Current Below Normal or Open Circuit
SPN 6653 FMI 16 6653 16 Engine Fuel 1 Injector Metering Rail 1 Cold Start Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 6653 FMI 18 6653 18 Engine Fuel 1 Injector Metering Rail 1 Cold Start Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 6774 FMI 7 6774 7 Aftertreatment 1 Particulate Sensor Regeneration State – Mechanical System Not Responding or Out of Adjustment
SPN 6778 FMI 16 6778 16 Aftertreatment 1 Particulate Sensor Power Supply – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 6778 FMI 3 6778 3 Aftertreatment 1 Particulate Sensor Power Supply – Voltage Above Normal, or Shorted to High Source
SPN 6778 FMI 4 6778 4 Aftertreatment 1 Particulate Sensor Power Supply – Voltage Below Normal, or Shorted to Low Source
SPN 6780 FMI 2 6780 2 Aftertreatment 1 Particulate Sensor Temperature – Data Erratic, Intermittent or Incorrect
SPN 6780 FMI 3 6780 3 Aftertreatment 1 Particulate Sensor Temperature – Voltage Above Normal, or Shorted to High Source
SPN 6780 FMI 4 6780 4 Aftertreatment 1 Particulate Sensor Temperature – Voltage Below Normal, or Shorted to Low Source
SPN 69 FMI 19 69 19 Two Speed Axle Switch – Received Network Data in Error
SPN 70 FMI 19 70 19 Parking Brake Switch – Received Network Data in Error
SPN 7107 FMI 3 7107 3 Aftertreatment 1 Diesel Exhaust Fluid Pump – Voltage Above Normal, or Shorted to High Source
SPN 7107 FMI 4 7107 4 Aftertreatment 1 Diesel Exhaust Fluid Pump – Voltage Below Normal, or Shorted to Low Source
SPN 724 FMI 16 724 16 O₂ Sensor – Data Valid But Above Normal Operating Range – Moderately Severe Level
SPN 724 FMI 18 724 18 O₂ Sensor – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 724 FMI 2 724 2 O₂ Sensor – Data Erratic, Intermittent or Incorrect
SPN 7330 FMI 2 7330 2 Aftertreatment 1 Particulate Sensor Heater Power Supply Diagnostic Status – Data Erratic, Intermittent or Incorrect
SPN 7392 FMI 8 7392 8 Engine Cold Start Fuel Injection Timing for All Cylinders – Abnormal Frequency or Pulse Width or Period
SPN 7393 FMI 10 7393 10 Aftertreatment 1 Particulate Sensor Current – Abnormal Rate of Change
SPN 7393 FMI 2 7393 2 Aftertreatment 1 Particulate Sensor Current – Data Erratic, Intermittent or Incorrect
SPN 7416 FMI 3 7416 3 Aftertreatment 1 Diesel Exhaust Fluid Pump Power Relay – Voltage Above Normal, or Shorted to High Source
SPN 7712 FMI 3 7712 3 Battery Potential / Power Input 3 – Voltage Above Normal, or Shorted to High Source
SPN 7712 FMI 4 7712 4 Battery Potential / Power Input 3 – Voltage Below Normal, or Shorted to Low Source
SPN 7713 FMI 3 7713 3 Battery Potential / Power Input 4 – Voltage Above Normal, or Shorted to High Source
SPN 7713 FMI 4 7713 4 Battery Potential / Power Input 4 – Voltage Below Normal, or Shorted to Low Source
SPN 7854 FMI 2 7854 2 Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module Data Erratic, Intermittent or Incorrect
SPN 84 FMI 0 84 Wheel-Based Vehicle Speed – Data Valid But Above Normal Operational Range – Most Severe Level
SPN 84 FMI 1 84 1 Wheel-Based Vehicle Speed – Data Valid But Below Normal Operational Range – Most Severe Level
SPN 91 FMI 2 91 2 Accelerator Pedal Position 1 – Data Erratic, Intermittent or Incorrect
SPN 91 FMI 3 91 3 Accelerator Pedal Position 1 – Voltage Above Normal, or Shorted to High Source
SPN 91 FMI 4 91 4 Accelerator Pedal Position 1 – Voltage Below Normal, or Shorted to Low Source
SPN 974 FMI 19 974 19 Remote Accelerator Pedal Position – Received Network Data in Error
SPN 974 FMI 3 974 3 Remote Accelerator Pedal Position – Voltage Above Normal, or Shorted to High Source
SPN 974 FMI 4 974 4 Remote Accelerator Pedal Position – Voltage Below Normal, or Shorted to Low Source
SPN 97 FMI 31 97 31 Water-In-Fuel Indicator 1 – Condition Exists
SPN 98 FMI 14 98 14 Engine Oil Level – Special Instructions
SPN 98 FMI 17 98 17 Engine Oil Level – Data Valid But Below Normal Operating Range – Least Severe Level
SPN 98 FMI 3 98 3 Engine Oil Level – Voltage Above Normal, or Shorted to High Source
SPN 98 FMI 4 98 4 Engine Oil Level – Voltage Below Normal, or Shorted to Low Source

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