The Cummins ISX engine from 2007 to 2010 introduced improvements in emissions control, fuel efficiency, and electronic management. These engines used EGR and DPF systems to meet stricter emissions standards, while maintaining the power and reliability that made the ISX a favorite for heavy-duty trucks.

Knowing your fault codes can make the difference between quick repairs and costly downtime. This list helps you decode ISX fault codes fast—so you can get back on the road with confidence.

Cummins ISX (2007–2010) Engine Overview

  • Displacement: 15L

  • Horsepower Range: 400–600 HP

  • Torque: Up to 2,050 lb-ft

  • Emissions System: EGR + DPF

  • Fuel System: Common Rail

Applications: Freightliner, Kenworth, Peterbilt, International, and other Class 8 trucks.

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

Fault Codes for Cummins ISX (2007–2010)

Fault PID SPN FMI SID Title
SPN 100 FMI 1  (415) 100 100 1 Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Most Severe Level
SPN 100 FMI 18  (143) 100 100 18 Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level
SPN 100 FMI 2  (435) 100 100 2 Engine Oil Rifle Pressure – Data Erratic, Intermittent, or Incorrect
SPN 100 FMI 3  (135) 100 100 3 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal, or Shorted to High Source
SPN 100 FMI 4  (141) 100 100 4 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source
SPN 101 FMI 0  (556) 101 101 Crankcase Pressure – Data Valid but Above Normal Operating Range – Most Severe Level
SPN 101 FMI 15  (1974) 101 101 15 Crankcase Pressure – Data Valid but Above Normal Operating Range – Least Severe Level
SPN 101 FMI 16  (555) 101 101 16 Crankcase Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 101 FMI 2  (1942) 101 101 2 Crankcase Pressure – Data Erratic, Intermittent, or Incorrect
SPN 101 FMI 3  (1843) 101 101 3 Crankcase Pressure Circuit – Voltage Above Normal, or Shorted to High Source
SPN 101 FMI 4  (1844) 101 101 4 Crankcase Pressure Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 102 FMI 16  (125) 102 102 16 Intake Manifold 1 Pressure – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 102 FMI 2  (2973) 102 102 2 Intake Manifold 1 Pressure – Data Erratic, Intermittent, or Incorrect
SPN 102 FMI 3  (122) 102 102 3 Intake Manifold 1 Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source
SPN 102 FMI 4  (123) 102 102 4 Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
SPN 103 FMI 10  (2345) 103 103 10 Turbocharger 1 Speed – Abnormal Rate of Change
SPN 103 FMI 15  (2288) 103 103 15 Turbocharger 1 Speed – Data Valid but Above Normal Operational Range – Least Severe Level
SPN 103 FMI 18  (687) 103 103 18 Turbocharger 1 Speed – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 103 FMI 2  (686) 103 103 2 Turbocharger 1 Speed – Data Erratic, Intermittent, or Incorrect
SPN 105 FMI 0  (155) 105 105 Intake Manifold 1 Temperature – Data Valid but Above Normal Operating Range – Most Severe Level
SPN 105 FMI 15  (2964) 105 105 15 Intake Manifold 1 Temperature – Data Valid but Above Normal Operational Range – Least Severe Level
SPN 105 FMI 3  (153) 105 105 3 Intake Manifold 1 Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
SPN 105 FMI 4  (154) 105 105 4 Intake Manifold 1 Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source
SPN 1072 FMI 3  (2182) 1072 3 79 Engine Brake Actuator Driver 1 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 1072 FMI 4  (2183) 1072 4 79 Engine Brake Actuator Driver 1 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 1073 FMI 3  (2367) 1073 3 80 Engine Brake Actuator Driver Output 2 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 1073 FMI 4  (2363) 1073 4 80 Engine Brake Actuator Driver Output 2 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 108 FMI 2  (295) 108 108 2 Barometric Pressure – Data Erratic, Intermittent, or Incorrect
SPN 108 FMI 3  (221) 108 108 3 Barometric Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source
SPN 108 FMI 4  (222) 108 108 4 Barometric Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
SPN 110 FMI 0  (151) 110 110 Engine Coolant Temperature – Data Valid but Above Normal Operational Range – Most Severe Level
SPN 110 FMI 15  (2963) 110 110 15 Engine Coolant Temperature – Data Valid but Above Normal Operational Range – Least Severe Level
SPN 110 FMI 16  (146) 110 110 16 Engine Coolant Temperature – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 110 FMI 18  (2789) 110 110 18 Engine Coolant Temperature – Data Valid but Below Normal Operational Range – Moderately Severe Level
SPN 110 FMI 31  (2646) 110 110 31 Engine Coolant Temperature – Condition Exists
SPN 110 FMI 31  (2659) 110 110 31 Engine Coolant Temperature – Condition Exists
SPN 110 FMI 3  (144) 110 110 3 Engine Coolant Temperature 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source
SPN 110 FMI 4  (145) 110 110 4 Engine Coolant Temperature 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source
SPN 1112 FMI 3  (2368) 1112 3 82 Engine Brake Actuator Driver Output 3 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 1112 FMI 4  (2365) 1112 4 82 Engine Brake Actuator Driver Output 3 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 111 FMI 17  (2448) 111 17 Coolant Level – Data Valid but Below Normal Operational Range – Least Severe Level
SPN 111 FMI 18  (197) 111 111 18 Coolant Level – Data Valid but Below Normal Operational Range – Moderately Severe Level
SPN 111 FMI 3  (195) 111 111 3 Coolant Level Sensor 1 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 111 FMI 3  (195) 111 111 3 Coolant Level Sensor 1 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 111 FMI 4  (196) 111 111 4 Coolant Level Sensor 1 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 111 FMI 4  (196) 111 111 4 Coolant Level Sensor 1 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 1136 FMI 3  (697) 21 1136 3 ECM Internal Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
SPN 1136 FMI 4  (698) 21 1136 4 ECM Internal Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source
SPN 1172 FMI 3  (691) 351 1172 3 Turbocharger 1 Compressor Inlet Temperature Sensor Circuit – Voltage Above Normal, or Shorted to High Source
SPN 1172 FMI 4  (692) 351 1172 4 Turbocharger 1 Compressor Inlet Temperature Sensor Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 1176 FMI 1  (3348) 1176 1 Turbocharger 1 Compressor Inlet Pressure – Data Valid but Below Normal Operating Range – Most Severe Level
SPN 1176 FMI 18  (629) 1176 18 Turbocharger 1 Compressor Inlet Pressure – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 1209 FMI 16  (2764) 131 1209 16 Exhaust Gas Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 1209 FMI 2  (2554) 131 1209 2 Exhaust Gas Pressure – Data Erratic, Intermittent, or Incorrect
SPN 1209 FMI 3  (2373) 131 1209 3 Exhaust Gas Pressure Sensor Circuit – Voltage Above Normal, or Shorted to High Source
SPN 1209 FMI 4  (2374) 131 1209 4 Exhaust Gas Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 1244 FMI 31  (2313) 1244 31 83 Fuel Control Valve Solenoid Driver 2 Circuit – Condition Exists
SPN 1245 FMI 31  (2314) 1245 31 84 Engine Timing Actuator Driver 2 Circuit Error – Condition Exists
SPN 1267 FMI 3  (338) 1267 3 87 Idle Shutdown Vehicle Accessories Relay Driver Circuit – Voltage Above Normal, or Shorted to High Source
SPN 1267 FMI 4  (339) 1267 4 87 Idle Shutdown Vehicle Accessories Relay Driver Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 1349 FMI 16  (2551) 129 1349 16 Injector Metering Rail 2 Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 1378 FMI 31  (649) 1378 31 115 Engine Oil Change Interval – Condition Exists
SPN 157 FMI 16  (2552) 157 157 16 Injector Metering Rail 1 Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 1590 FMI 2  (784) 1590 2 145 Adaptive Cruise Control Mode – Data Erratic, Intermittent, or Incorrect
SPN 1639 FMI 2  (2412) 26 1639 2 Fan Speed – Data Erratic, Intermittent, or Incorrect
SPN 167 FMI 1  (598) 167 167 1 Electrical Charging System Voltage – Data Valid but Below Normal Operating Range – Most Severe Level
SPN 167 FMI 16  (596) 167 167 16 Electrical Charging System Voltage – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 167 FMI 18  (597) 167 167 18 Electrical Charging System Voltage – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 168 FMI 16  (442) 168 168 16 Battery 1 Voltage – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 168 FMI 18  (441) 168 168 18 Battery 1 Voltage – Data Valid but Below Normal Operational Range – Moderately Severe Level
SPN 171 FMI 3  (249) 171 171 3 Ambient Air Temperature Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
SPN 171 FMI 4  (256) 171 171 4 Ambient Air Temperature Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 174 FMI 3  (263) 174 174 3 Engine Fuel Temperature Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
SPN 174 FMI 4  (265) 174 174 4 Engine Fuel Temperature Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 175 FMI 0  (214) 175 175 Engine Oil Temperature High – Data Valid but Above Normal Operational Range – Most Severe Level
SPN 175 FMI 16  (421) 175 175 16 Engine Oil Temperature – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 175 FMI 3  (212) 175 175 3 Engine Oil Temperature Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
SPN 175 FMI 4  (213) 175 175 4 Engine Oil Temperature Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 1818 FMI 31  (3374) 1818 31 Roll Over Protection Brake Control Active – Condition Exists
SPN 190 FMI 0  (234) 190 190 Engine Crankshaft Speed/Position – Data Valid but Above Normal Operational Range – Most Severe Level
SPN 190 FMI 16  (1992) 190 190 16 Engine Crankshaft Speed/Position – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 190 FMI 2  (2321) 190 190 2 Engine Crankshaft Speed/Position – Data Erratic, Intermittent, or Incorrect
SPN 190 FMI 2  (689) 190 190 2 Engine Crankshaft Speed/Position – Data Erratic, Intermittent, or Incorrect
SPN 251 FMI 2  (319) 251 251 2 Real-Time Clock Power Interrupt – Data Erratic, Intermittent or Incorrect
SPN 2623 FMI 3  (1239) 2623 3 Accelerator Pedal or Lever Position Sensor 2 Circuit – Voltage Above Normal or Shorted to High Source
SPN 2623 FMI 4  (1241) 2623 4 Accelerator Pedal or Lever Position Sensor 2 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 2789 FMI 15  (2346) 2789 15 Turbocharger Turbine Intake Temperature (Calculated) – Data Valid but Above Normal Operating Range – Least Severe Level
SPN 2789 FMI 16  (2451) 2789 16 Turbocharger Turbine Intake Temperature (Calculated) – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 2790 FMI 15  (2347) 2790 15 Turbocharger Compressor Outlet Temperature (Calculated) – Data Valid but Above Normal Operational Range – Least Severe Level
SPN 2791 FMI 11  (1935) 2791 11 146 EGR Actuator Driver Circuit – Root Cause Not Known
SPN 2791 FMI 12  (1895) 2791 12 146 EGR Valve Controller – Bad Intelligent Device or Component
SPN 2791 FMI 13  (1896) 2791 13 146 EGR Valve Controller – Out of Calibration
SPN 2791 FMI 14  (2813) 2791 14 146 EGR Valve Control – Special Instructions
SPN 2791 FMI 15  (1961) 2791 15 146 EGR Valve Control Circuit Calculated Over Temperature – Data Valid but Above Normal Operational Range – Least Severe Level
SPN 2791 FMI 4  (2351) 2791 4 146 EGR Valve Control Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 2791 FMI 5  (2349) 2791 5 146 EGR Valve Control Circuit – Current Below Normal, or Open Circuit
SPN 2791 FMI 7  (2357) 2791 7 146 EGR Valve Control Circuit – Mechanical System Not Responding Properly or Out of Adjustment
SPN 27 FMI 4  (2272) 27 27 4 EGR Valve Position Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 3050 FMI 31  (1664) 3050 31 380 Catalyst Missing – Condition Exists
SPN 3058 FMI 31  (2774) 3058 31 391 Exhaust Gas Recirculation (EGR) System – Condition Exists
SPN 3064 FMI 31  (1993) 3064 31 Aftertreatment Diesel Particulate Filter Missing – Condition Exists
SPN 3241 FMI 0  (1966) 326 3241 Aftertreatment Exhaust Gas Temperature 1 – Data Valid but Above Normal Operational Range – Most Severe Level
SPN 3241 FMI 2  (1667) 3241 2 326 Aftertreatment Exhaust Gas Temperature 1 – Data Erratic, Intermittent, or Incorrect
SPN 3241 FMI 31  (1663) SID 326 3241 31 Aftertreatment Exhaust Gas Temperature 1 Swapped – Condition Exists
SPN 3241 FMI 3  (1666) 3241 3 326 Aftertreatment Exhaust Gas Temperature 1 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 3241 FMI 4  (1665) 3241 4 326 Aftertreatment Exhaust Gas Temperature 1 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 3245 FMI 0  (1973) 3245 328 Exhaust Gas Temperature 3 – Data Valid but Above Normal Operational Range – Most Severe Level
SPN 3245 FMI 16  (1972) 3245 16 328 Exhaust Gas Temperature 3 – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 3245 FMI 2  (1878) 3245 2 328 Aftertreatment Exhaust Gas Temperature 3 – Data Erratic, Intermittent, or Incorrect
SPN 3245 FMI 3  (1876) 3245 3 328 Aftertreatment Exhaust Gas Temperature 3 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 3245 FMI 4  (1877) 3245 4 328 Aftertreatment Exhaust Gas Temperature 3 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 3249 FMI 0  (1969) 3249 327 Aftertreatment Exhaust Gas Temperature 2 – Data Valid but Above Normal Operational Range – Most Severe Level
SPN 3249 FMI 16  (1968) 3249 16 327 Aftertreatment Exhaust Gas Temperature 2 – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 3249 FMI 17  (2742) 3249 17 327 Aftertreatment Exhaust Gas Temperature 2 – Data Valid but Below Normal Operating Range – Least Severe Level
SPN 3249 FMI 18  (2743) 3249 18 327 Aftertreatment Exhaust Gas Temperature 2 – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 3249 FMI 2  (1676) 3249 2 327 Aftertreatment Exhaust Gas Temperature 2 – Data Erratic, Intermittent, or Incorrect
SPN 3249 FMI 3  (1675) 3249 3 327 Aftertreatment Exhaust Gas Temperature 2 Circuit – Voltage Above Normal or Shorted to High Source
SPN 3249 FMI 4  (1674) 3249 4 327 Aftertreatment Exhaust Gas Temperature 2 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 3250 FMI 13  (1691) 3250 13 380 Catalyst Efficiency – Out of Calibration
SPN 3251 FMI 0  (1922) 3251 324 Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid but Above Normal Operational Range – Most Severe Level
SPN 3251 FMI 15  (1981) 3251 15 324 Aftertreatment Particulate Filter Differential Pressure – Data Valid but Above Normal Operating Range – Least Severe Level
SPN 3251 FMI 15  (1981) 3251 15 324 Aftertreatment Particulate Filter Differential Pressure – Data Valid but Above Normal Operating Range – Least Severe Level
SPN 3251 FMI 15  (2639) 3251 15 324 Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid but Above Normal Operating Range – Least Severe Level
SPN 3251 FMI 16  (1921) 3251 16 324 Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 3251 FMI 2  (1883) 3251 2 324 Aftertreatment Particulate Filter Differential Pressure Sensor – Data Erratic, Intermittent, or Incorrect
SPN 3251 FMI 2  (1893) 3251 2 324 EGR Valve Control Circuit – Abnormal Update Rate
SPN 3251 FMI 3  (1879) 3251 3 324 Aftertreatment Particulate Filter Differential Pressure Sensor Circuit – Voltage Above Normal, or Shorted to High Source
SPN 3251 FMI 4  (1881) 3251 4 324 Aftertreatment Particulate Filter Differential Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 3480 FMI 17  (2881) 3480 17 332 Aftertreatment Fuel Pressure Sensor – Data Valid but Below Normal Operational Range – Least Severe Level
SPN 3480 FMI 2  (1926) 3480 2 Aftertreatment 1 Fuel Pressure Sensor – Data Erratic, Intermittent, or Incorrect
SPN 3480 FMI 3  (1927) 3480 3 Aftertreatment 1 Fuel Pressure Sensor – Voltage Above Normal, or Shorted to High Source
SPN 3480 FMI 4  (1928) 3480 4 Aftertreatment 1 Fuel Pressure Sensor – Voltage Below Normal, or Shorted to Low Source
SPN 3482 FMI 2  (1925) 334 3482 2 Aftertreatment Fuel Shutoff Valve 1 – Data Erratic, Intermittent, or Incorrect
SPN 3482 FMI 31  (2741) 3482 31 334 Aftertreatment Fuel Shutoff Valve 1 Swapped – Condition Exists
SPN 3482 FMI 3  (1923) 3482 3 334 Aftertreatment Fuel Shutoff Valve 1 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 3482 FMI 4  (1924) 3482 4 334 Aftertreatment Fuel Shutoff Valve 1 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 3482 FMI 7  (1963) 332 3482 7 Aftertreatment Fuel Shutoff Valve 1 – Mechanical System Not Responding Properly or Out of Adjustment
SPN 3509 FMI 3  (386) 3509 3 212 Sensor Supply 1 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 3509 FMI 4  (352) 3509 4 212 Sensor Supply 1 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 3510 FMI 3  (227) 3510 3 211 Sensor Supply 2 Circuit – Voltage Above Normal or Shorted to High Source
SPN 3510 FMI 4  (187) 3510 4 211 Sensor Supply 2 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 3511 FMI 4  (238) 3511 4 232 Sensor Supply 3 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 3512 FMI 3  (2185) 3512 3 232 Sensor Supply 4 Circuit – Voltage Above Normal, or Shorted to High Source
SPN 3512 FMI 4  (2186) 3512 4 232 Sensor Supply 4 Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 3513 FMI 3  (1695) 3513 3 232 Sensor Supply 5 – Voltage Above Normal, or Shorted to High Source
SPN 3513 FMI 4  (1696) 3513 4 232 Sensor Supply 5 – Voltage Below Normal, or Shorted to Low Source
SPN 3555 FMI 17  (1943) 3555 17 Ambient Air Density – Data Valid but Below Normal Operational Range – Least Severe Level
SPN 3556 FMI 11  (4283) 3556 11 Aftertreatment Doser – Data Valid but Below Normal Operating Range – Condition Exists
SPN 3556 FMI 18  (3167) 3556 18 382 Aftertreatment Doser – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 3556 FMI 2  (1932) 3556 2 Aftertreatment Fuel Injection System – Data Erratic, Intermittent, or Incorrect
SPN 3556 FMI 5  (1977) 3556 5 Aftertreatment Fuel Injector 1 Circuit – Current Below Normal, or Open Circuit
SPN 3597 FMI 18  (1938) 3597 18 212 ECU Power Output Supply Voltage 1 – Data Valid but Below Normal Operational Range – Moderately Severe Level
SPN 3598 FMI 16  (1933) 3598 16 ECU Power Output Supply Voltage 2 – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 3598 FMI 18  (1934) 3598 18 211 ECU Power Output Supply Voltage 2 – Data Valid but Below Normal Operational Range – Moderately Severe Level
SPN 3703 FMI 31  (2777) SID 390 3703 31 Particulate Trap Active Regeneration Inhibited Due to Inhibit Switch – Condition Exists
SPN 380 FMI 13  (2638) 380 13 Catalyst Efficiency – Out of Calibration
SPN 382 FMI 16  (2728) 382 16 Aftertreatment Fuel Injector 1 – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 4097 FMI 2  (2879) 4097 2 381 Aftertreatment Fuel Drain Valve – Data Erratic, Intermittent, or Incorrect
SPN 4097 FMI 3  (2732) 4097 3 338 Aftertreatment Fuel Drain Valve Circuit – Voltage Above Normal or Shorted to High Source
SPN 4097 FMI 4  (2733) 4097 4 338 Aftertreatment Fuel Drain Valve Circuit – Voltage Below Normal or Shorted to Low Source
SPN 4097 FMI 7  (2878) 381 4097 7 Aftertreatment Fuel Drain Valve – Mechanical System Not Responding Properly or Out of Adjustment
SPN 411 FMI 16  (2359) 411 411 16 Exhaust Gas Recirculation Valve Differential Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level
SPN 411 FMI 16  (3385) 105 411 16 Intake Manifold 1 Temperature – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 411 FMI 18  (1899) 411 411 18 Exhaust Gas Recirculation Valve Delta Pressure – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 411 FMI 2  (1866) 411 411 2 Exhaust Gas Recirculation Valve Delta Pressure – Data Erratic, Intermittent, or Incorrect
SPN 411 FMI 3  (2273) 411 411 3 Exhaust Gas Recirculation Valve Delta Pressure Sensor Circuit – Voltage Above Normal, or Shorted to High Source
SPN 411 FMI 4  (2274) 411 411 4 Exhaust Gas Recirculation Valve Delta Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 412 FMI 15  (2961) 412 412 15 Exhaust Gas Recirculation (EGR) Temperature – Data Valid but Above Normal Operating Range – Least Severe Level
SPN 412 FMI 16  (2962) 412 412 16 Exhaust Gas Recirculation Temperature – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 412 FMI 3  (2375) 412 412 3 Exhaust Gas Recirculation Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
SPN 412 FMI 4  (2376) 412 412 4 Exhaust Gas Recirculation Temperature Sensor Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 5018 FMI 11  (2637) 5018 11 Catalyst Face Plugged – Root Cause Not Known
SPN 5018 FMI 18  (4214) 5018 18 Aftertreatment 1 Diesel Oxidation Catalyst System – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 5018 FMI 18  (4214) 5018 18 Aftertreatment 1 Diesel Oxidation Catalyst System – Data Valid But Below Normal Operating Range – Moderately Severe Level
SPN 5298 FMI 13  (4282) 5298 13 Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency – Condition Exists
SPN 563 FMI 9  (3488) 563 9 Anti-Lock Braking (ABS) Controller – Abnormal Update Rate
SPN 612 FMI 2  (115) 190 612 2 Engine Magnetic Speed/Position Lost Both of Two Signals – Data Erratic, Intermittent, or Incorrect
SPN 626 FMI 3  (2738) 626 3 237 Start Enable Device 1 Circuit (Ether Injection) – Voltage Above Normal or Shorted to High Source
SPN 626 FMI 4  (2739) 626 4 237 Start Enable Device 1 Circuit (Ether Injection) – Voltage Below Normal or Shorted to Low Source
SPN 627 FMI 12  (351) 627 12 251 Injector Power Supply – Bad Intelligent Device or Component
SPN 627 FMI 2  (1117) 627 2 251 Power Supply Lost With Ignition On – Data Erratic, Intermittent, or Incorrect
SPN 629 FMI 12  (111) 629 12 254 Electronic Control Module Critical Internal Failure – Bad Intelligent Device or Component
SPN 629 FMI 12  (343) 629 12 254 Electronic Control Module Warning Internal Hardware Failure – Bad Intelligent Device or Component
SPN 630 FMI 12  (346) 253 630 12 Engine Control Module Calibration Memory Software – Bad Intelligent Device or Component
SPN 632 FMI 3  (255) 632 3 17 Engine Fuel Shutoff Valve Driver Circuit – Voltage Above Normal or Shorted to High Source
SPN 632 FMI 4  (254) 632 4 17 Engine Fuel Shutoff Valve Driver Circuit – Voltage Below Normal or Shorted to Low Source
SPN 632 FMI 7  (257) 632 7 17 Engine Fuel Shutoff Valve Driver – Mechanical System Not Responding Properly or Out of Adjustment
SPN 633 FMI 31  (2311) 633 31 18 Electronic Fuel Injection Control Valve Circuit – Condition Exists
SPN 635 FMI 31  (2312) 635 31 20 Timing Actuator Driver Circuit – Condition Exists
SPN 639 FMI 13  (286) 639 13 231 SAE J1939 Multiplexing Configuration Error – Out of Calibration
SPN 639 FMI 9  (285) 639 9 231 SAE J1939 Multiplexing PGN Timeout Error – Abnormal Update Rate
SPN 639 FMI 9  (427) 639 9 231 SAE J1939 Datalink – Abnormal Update Rate
SPN 641 FMI 11  (2198) 641 11 27 VGT Actuator Driver Circuit – Root Cause Not Known
SPN 641 FMI 12  (2634) 641 12 27 VGT Actuator Controller – Bad Intelligent Device or Component
SPN 641 FMI 13  (2449) 641 13 27 VGT Actuator Controller – Out of Calibration
SPN 641 FMI 15  (1962) 641 15 27 VGT Actuator Driver Over Temperature (Calculated) – Data Valid but Above Normal Operational Range – Least Severe Level
SPN 641 FMI 31  (2635) 641 31 27 VGT Actuator Driver Circuit – Condition Exists
SPN 641 FMI 7  (2387) 641 7 27 Variable Geometry Turbocharger (VGT) Actuator Driver Circuit (Motor) – Mechanical System Not Responding Properly or Out of Adjustment
SPN 641 FMI 7  (3616) 641 7 Engine Variable Geometry Turbocharger (VGT) Nozzle Position – Mechanical System Not Responding or Out of Adjustment
SPN 641 FMI 9  (2636) 641 9 27 VGT Actuator Driver Circuit – Abnormal Update Rate
SPN 647 FMI 3  (2377) 647 3 33 Fan Control Circuit – Voltage Above Normal, or Shorted to High Source
SPN 647 FMI 4  (245) 647 4 33 Fan Control Circuit – Voltage Below Normal or Shorted to Low Source
SPN 648 FMI 18  (2319) 648 18 Exhaust Back Pressure – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 651 FMI 6  (311) 651 6 1 Injector Solenoid Driver Cylinder 1 Circuit – Current Above Normal or Grounded Circuit
SPN 652 FMI 6  (315) 652 6 2 Injector Solenoid Driver Cylinder 2 Circuit – Current Above Normal or Grounded Circuit
SPN 653 FMI 6  (313) 653 6 3 Injector Solenoid Driver Cylinder 3 Circuit – Current Above Normal or Grounded Circuit
SPN 654 FMI 6  (321) 654 6 4 Injector Solenoid Driver Cylinder 4 Circuit – Current Above Normal, or Grounded Circuit
SPN 655 FMI 6  (312) 655 6 5 Injector Solenoid Driver Cylinder 5 Circuit – Current Above Normal or Grounded Circuit
SPN 656 FMI 5  (322) 656 5 6 Injector Solenoid Driver Cylinder 1 Circuit – Current Below Normal, or Open Circuit
SPN 656 FMI 5  (323) 656 5 6 Injector Solenoid Driver Cylinder 5 Circuit – Current Below Normal, or Open Circuit
SPN 656 FMI 5  (324) 656 5 6 Injector Solenoid Driver Cylinder 3 Circuit – Current Below Normal, or Open Circuit
SPN 656 FMI 5  (325) 656 5 6 Injector Solenoid Driver Cylinder 6 Circuit – Current Below Normal or Open Circuit
SPN 656 FMI 5  (331) 656 5 6 Injector Solenoid Driver Cylinder 2 Circuit – Current Below Normal, or Open Circuit
SPN 656 FMI 5  (332) 656 5 6 Injector Solenoid Driver Cylinder 4 Circuit – Current Below Normal, or Open Circuit
SPN 656 FMI 6  (314) 656 6 6 Injector Solenoid Driver Cylinder 6 Circuit – Current Above Normal or Grounded Circuit
SPN 677 FMI 3  (584) 677 3 39 Starter Relay Driver Circuit – Voltage Above Normal, or Shorted to High Source
SPN 677 FMI 4  (585) 677 4 39 Starter Relay Driver Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 703 FMI 14  (2195) 703 14 51 Auxiliary Equipment Sensor Input 3 Engine Protection Critical – Special Instructions
SPN 723 FMI 2  (2322) 723 2 64 Engine Camshaft Speed/Position Sensor – Data Erratic, Intermittent, or Incorrect
SPN 723 FMI 2  (778) 723 2 64 Engine Camshaft Speed/Position Sensor – Data Erratic, Intermittent, or Incorrect
SPN 723 FMI 7  (731) 723 7 64 Engine Speed/Position Camshaft and Crankshaft Misalignment – Mechanical System Not Responding Properly, or Out of Adjustment
SPN 81 FMI 16  (2754) 81 81 16 Engine Particulate Filter Inlet Pressure – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 84 FMI 10  (242) 84 84 10 Wheel-Based Vehicle Speed Sensor Circuit Tampering Has Been Detected – Abnormal Rate of Change
SPN 84 FMI 2  (241) 84 84 2 Wheel-Based Vehicle Speed – Data Erratic, Intermittent or Incorrect
SPN 862 FMI 3  (3733) 862 3 Crankcase Breather Filter Heater Circuit – Voltage Above Normal or Shorted to High Source
SPN 862 FMI 4  (3734) 862 4 Crankcase Breather Filter Heater Circuit – Voltage Below Normal or Shorted to Low Source
SPN 91 FMI 19  (287) 91 91 19 SAE J1939 Multiplexed Accelerator Pedal or Lever Sensor System – Received Network Data In Error
SPN 91 FMI 2  (1242) 91 91 2 Accelerator Pedal or Lever Position Sensor 1 and 2 – Data Erratic, Intermittent, or Incorrect
SPN 91 FMI 3  (131) 91 91 3 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
SPN 91 FMI 4  (132) 91 91 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 94 FMI 16  (2216) 94 94 16 Fuel Pump Delivery Pressure – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 94 FMI 18  (2215) 94 94 18 Fuel Pump Delivery Pressure – Data Valid but Below Normal Operating Range – Moderately Severe Level
SPN 94 FMI 18  (482) 94 94 18 Fuel Pressure Low – Data Valid but Below Normal Operational Range – Moderately Severe Level
SPN 94 FMI 3  (546) 94 94 3 Fuel Delivery Pressure Sensor Circuit – Voltage Above Normal, or Shorted to High Source
SPN 94 FMI 4  (547) 94 94 4 Fuel Delivery Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source
SPN 95 FMI 16  (2372) 95 95 16 Fuel Filter Differential Pressure – Data Valid but Above Normal Operational Range – Moderately Severe Level
SPN 974 FMI 19  (288) 372 974 19 SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor System – Received Network Data In Error
SPN 974 FMI 3  (133) 372 974 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
SPN 974 FMI 4  (134) 372 974 4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
SPN 97 FMI 15  (418) 97 97 15 Water-In-Fuel Indicator – Data Valid but Above Normal Operating Range – Least Severe Level
SPN 97 FMI 3  (428) 97 97 3 Water-in-Fuel Indicator Sensor Circuit – Voltage Above Normal, or Shorted to High Source
SPN 97 FMI 4  (429) 97 97 4 Water-in-Fuel Indicator Sensor Circuit – Voltage Below Normal, or Shorted to Low Source

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