The Cummins ISX15, produced between 2010 and 2012, is a heavy-duty engine known for its power, fuel efficiency, and emissions compliance. During this period, the ISX15 featured major advancements, including an enhanced aftertreatment system and onboard diagnostic capabilities. With these updates came a comprehensive fault code system that helps technicians and fleet managers quickly identify and resolve issues, keeping trucks on the road and reducing costly downtime.
If you’re a diesel tech, fleet operator, or truck owner working with ISX15 engines, access to fault codes, wiring diagrams, and repair instructions is essential for fast, accurate diagnostics and repair.
Cummins ISX15 Engine Overview
- Displacement: 14.9L
- Horsepower Range: 400–600 HP
- Torque: Up to 2,050 lb-ft
- Fuel System: High-Pressure Common Rail (HPCR)
- Emissions Control: EGR, DPF, SCR (introduced in 2010 models)
- Applications: Freightliner Cascadia, Peterbilt 389, Kenworth T680, International ProStar, and other heavy-duty trucks
🔗 Get FREE Fault Code Information for all makes and models on Diesel Repair → Diesel Repair
Cummins ISX15 (2010–2012) Fault Codes
Below is a complete list of fault codes for the Cummins ISX15, covering model years 2010 through 2012. To access detailed repair instructions, diagnostic trees, parts lookup, and labor time estimates, visit Diesel Repair, the go-to platform for diesel diagnostics and engine support.
| Fault | PID | SPN | FMI | Title |
| SPN 100 FMI 1 (415) | 100 | 100 | 1 | Engine Oil Rifle Pressure – Data Valid But Below Normal Operating Range – Most Severe Level |
| SPN 100 FMI 18 (143) | 100 | 100 | 18 | Engine Oil Rifle Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level |
| SPN 100 FMI 18 (1691) | 380 | 100 | 18 | Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level |
| SPN 100 FMI 2 (435) | 100 | 100 | 2 | Engine Oil Rifle Pressure – Data Erratic, Intermittent, or Incorrect |
| 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) | 522 | 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 16 (1974) | 101 | 101 | 16 | 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 10 (3361) | 102 | 10 | Intake Manifold 1 Pressure – Abnormal Rate of Change | |
| SPN 102 FMI 15 (6725) | 102 | 15 | Intake Manifold 1 Pressure – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 102 FMI 16 (124) | 102 | 102 | 16 | Intake Manifold 1 Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level |
| SPN 102 FMI 17 (4616) | 102 | 17 | Intake Manifold 1 Pressure – Data Valid But Below Normal Operating Range – Least Severe Level | |
| SPN 102 FMI 18 (125) | 102 | 102 | 18 | 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 31 (2191) | 102 | 102 | 31 | Intake Manifold 1 Pressure Sensor – Condition Exists |
| 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 3 (2468) | 190 | 102 | 3 | Engine Crankshaft Speed / Position – Data Valid But Above Normal Operating Range – Moderately Severe Level |
| 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 0 (595) | 103 | 103 | Turbocharger 1 Speed – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 103 FMI 15 (2288) | 103 | 103 | 15 | Turbocharger 1 Speed – Data Valid But Above Normal Operating 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 Operating Range – Least Severe Level |
| SPN 105 FMI 16 (488) | 105 | 105 | 16 | Intake Manifold 1 Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level |
| SPN 105 FMI 2 (436) | 111 | 105 | 2 | Intake Manifold 1 Temperature – Data Erratic, Intermittent, or Incorrect |
| 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 1070 FMI 3 (6258) | 1070 | 3 | Electric Lift Pump for Engine Fuel Supply – Voltage Above Normal or Shorted to High Source | |
| SPN 1072 FMI 3 (2182) | 1072 | 3 | Engine Brake Actuator Driver 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1072 FMI 3 (6418) | 1072 | 3 | Engine Brake Actuator Driver 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1072 FMI 4 (2183) | 1072 | 4 | Engine Brake Actuator Driver 1 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1072 FMI 4 (6419) | 1072 | 4 | Engine Brake Actuator Driver 1 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1073 FMI 3 (2367) | 1073 | 3 | Engine Brake Actuator Driver Output 2 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1073 FMI 3 (6421) | 1073 | 3 | Engine Brake Actuator Driver Output 2 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1073 FMI 4 (2363) | 1073 | 4 | Engine Brake Actuator Driver Output 2 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1073 FMI 4 (6422) | 1073 | 4 | Engine Brake Actuator Driver Output 2 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1075 FMI 3 (2265) | 1075 | 3 | Electric Lift Pump for Engine Fuel Supply Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1075 FMI 4 (2266) | 1075 | 4 | Electric Lift Pump for Engine Fuel Supply Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1075 FMI 4 (6259) | 1075 | 4 | Electric Lift Pump for Engine Fuel Supply – 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 Operating Range – Most Severe Level | |
| SPN 110 FMI 15 (2963) | 110 | 110 | 15 | Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Least Severe Level |
| SPN 110 FMI 16 (146) | 110 | 110 | 16 | Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level |
| SPN 110 FMI 18 (2789) | 110 | 110 | 18 | Engine Coolant Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level |
| SPN 110 FMI 2 (334) | 116 | 110 | 2 | Engine Coolant Temperature – Data Erratic, Intermittent, or Incorrect |
| 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 111 FMI 17 (2448) | 2560 | 111 | 17 | Coolant Level – Data Valid But Below Normal Operational Range – Least Severe Level |
| SPN 111 FMI 18 (197) | 2560 | 111 | 18 | Coolant Level – Data Valid But Below Normal Operating Range – Moderately Severe Level |
| SPN 111 FMI 18 (3366) | 111 | 18 | Coolant Level – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 111 FMI 3 (195) | 2559 | 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) | 2558 | 111 | 4 | Coolant Level Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 1136 FMI 2 (699) | 21 | 1136 | 2 | Engine ECU Temperature – Data Erratic, Intermittent, or Incorrect |
| SPN 1136 FMI 3 (697) | 21 | 1136 | 3 | Engine ECU Temperature Sensor Circuit – Voltage Above Normal, or Shorted to High Source |
| SPN 1136 FMI 4 (698) | 21 | 1136 | 4 | Engine ECU Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 1172 FMI 2 (693) | 351 | 1172 | 2 | Turbocharger 1 Compressor Intake Temperature – Data Erratic, Intermittent, or Incorrect |
| SPN 1172 FMI 3 (691) | 351 | 1172 | 3 | Turbocharger 1 Compressor Intake Temperature Circuit – Voltage Above Normal or Shortened to High Source |
| SPN 1172 FMI 4 (692) | 351 | 1172 | 4 | Turbocharger 1 Compressor Intake Temperature 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) | 314 | 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 1213 FMI 9 (3535) | 1213 | 9 | Malfunction Indicator Lamp – Abnormal Update Rate | |
| SPN 1267 FMI 3 (338) | 1267 | 3 | Idle Shutdown Vehicle Accessories Relay Driver Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1267 FMI 4 (339) | 1267 | 4 | Idle Shutdown Vehicle Accessories Relay Driver Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1322 FMI 31 (1718) | 1322 | 31 | Engine Misfire for Multiple Cylinders – Condition Exists | |
| SPN 1323 FMI 31 (1654) | 1323 | 31 | Engine Misfire Cylinder 1 – Condition Exists | |
| SPN 1324 FMI 31 (1655) | 1324 | 31 | Engine Misfire Cylinder 2 – Condition Exists | |
| SPN 1325 FMI 31 (1656) | 1325 | 31 | Engine Misfire Cylinder 3 – Condition Exists | |
| SPN 1326 FMI 31 (1657) | 1326 | 31 | Engine Misfire Cylinder 4 – Condition Exists | |
| SPN 1327 FMI 31 (1658) | 1327 | 31 | Engine Misfire Cylinder 5 – Condition Exists | |
| SPN 1328 FMI 31 (1659) | 1328 | 31 | Engine Misfire Cylinder 6 – Condition Exists | |
| SPN 1347 FMI 3 (272) | 1347 | 3 | Engine Fuel Pump Pressurizing Assembly 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1347 FMI 4 (271) | 1347 | 4 | Engine Fuel Pump Pressurizing Assembly 1 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1347 FMI 7 (281) | 1347 | 7 | Engine Fuel Pump Pressurizing Assembly 1 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 1378 FMI 31 (649) | 1378 | 31 | Engine Oil Change Interval – Condition Exists | |
| SPN 1569 FMI 31 (3714) | 1569 | 31 | Engine Protection Torque Derate – Condition Exists | |
| SPN 157 FMI 0 (1911) | 157 | 157 | Injector Metering Rail 1 Pressure Circuit – Data Valid But Above Normal Operating Range – Most Severe Level | |
| SPN 157 FMI 0 (449) | 157 | 157 | Injector Metering Rail 1 Pressure – Data Valid But Above Normal Operating Range – Most Severe Level | |
| SPN 157 FMI 16 (553) | 157 | 157 | 16 | Injector Metering Rail 1 Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level |
| SPN 157 FMI 18 (559) | 157 | 157 | 18 | Injector Metering Rail 1 Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level |
| SPN 157 FMI 3 (451) | 157 | 3 | Injector Metering Rail 1 Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 157 FMI 3 (452) | 157 | 157 | 3 | Injector Metering Rail 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 1590 FMI 2 (784) | 1590 | 2 | Adaptive Cruise Control Mode – Data Erratic, Intermittent, or Incorrect | |
| SPN 1623 FMI 19 (3213) | 1623 | 19 | Tachograph Output Shaft Speed – Received Network Data in Error | |
| SPN 1623 FMI 9 (3186) | 1623 | 9 | Tachograph Output Shaft Speed – Abnormal Update Rate | |
| SPN 1675 FMI 31 (3737) | 1675 | 31 | Engine Starter Mode Over Crank Protection – Condition Exists | |
| 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 15 (6256) | 168 | 15 | Battery 1 Voltage – Data Valid But Above Normal Operating Range – Least 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 17 (3724) | 168 | 168 | 17 | Battery 1 Voltage – Data Valid But Below Normal Operating Range – Least 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 19 (3532) | 171 | 19 | Ambient Air Temperature – Received Network Data in Error | |
| SPN 171 FMI 2 (2398) | 171 | 2 | Ambient Air Temperature – Data Erratic, Intermittent, or Incorrect | |
| 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 171 FMI 9 (3531) | 171 | 9 | Ambient Air Temperature – Abnormal Update Rate | |
| SPN 175 FMI 0 (214) | 175 | 175 | Engine Oil Temperature – Data Valid But Above Normal Operating Range – Most Severe Level | |
| SPN 175 FMI 16 (421) | 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 1761 FMI 1 (1673) | 1761 | 1 | Aftertreatment Diesel Exhaust Fluid Tank Level – Data Valid But Below Normal Operating Range – Most Severe Level | |
| SPN 1761 FMI 17 (3497) | 1761 | 17 | Aftertreatment Diesel Exhaust Fluid Tank Level – Data Valid But Below Normal Operating Range – Least Severe Level | |
| SPN 1761 FMI 18 (3498) | 1761 | 18 | Aftertreatment Diesel Exhaust Fluid Tank Level – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 1761 FMI 3 (1669) | 203D | 1761 | 3 | Aftertreatment Diesel Exhaust Fluid Tank Level Sensor Circuit – Voltage Above Normal or Shorted to High Source |
| SPN 1761 FMI 3 (1669) | 203D | 1761 | 3 | Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor Circuit – Voltage Above Normal or Shorted to High Source |
| SPN 1761 FMI 4 (1668) | 203C | 1761 | 4 | Aftertreatment Diesel Exhaust Fluid Tank Level Sensor Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 1761 FMI 4 (1668) | 203C | 1761 | 4 | Aftertreatment Diesel Exhaust Fluid Tank Level Sensor 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 188 FMI 16 (3715) | 188 | 16 | Engine Speed at Idle – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 188 FMI 18 (3716) | 188 | 18 | Engine Speed at Idle – Data Valid But Below Normal Operational Range – Moderately Severe Level | |
| SPN 190 FMI 0 (234) | 190 | 190 | Engine Crankshaft Speed / Position – Data Valid But Above Normal Operating Range – Most Severe Level | |
| SPN 190 FMI 11 (6595) | 190 | 11 | Engine Speed – Root Cause Not Known | |
| 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 191 FMI 19 (3418) | 191 | 19 | Transmission Output Shaft Speed – Received Network Data in Error | |
| SPN 191 FMI 9 (3328) | 191 | 9 | Transmission Output Shaft Speed – Abnormal Update Rate | |
| SPN 251 FMI 10 (3492) | 251 | 10 | Real Time Clock – Abnormal Rate of Change | |
| 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 2629 FMI 15 (2347) | 404 | 2629 | 15 | Turbocharger Compressor Outlet Temperature (Calculated) – Data Valid But Above Normal Operating Range – Least Severe Level |
| SPN 2633 FMI 7 (3616) | 2633 | 7 | Engine Variable Geometry Turbocharger (VGT) Nozzle Position – Mechanical System Not Responding or Out of Adjustment | |
| SPN 2789 FMI 15 (2346) | 2789 | 15 | Turbocharger Turbine Intake Temperature – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 2789 FMI 16 (2451) | 2789 | 16 | Turbocharger Turbine Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 2791 FMI 13 (1896) | 2791 | 13 | EGR Valve Controller – Out of Calibration | |
| SPN 2791 FMI 15 (1961) | 2791 | 15 | EGR Valve Control Circuit Calculated Over Temperature – Data Valid But Above Normal Operational Range – Least Severe Level | |
| SPN 2791 FMI 5 (2349) | 2791 | 5 | EGR Valve Control Circuit – Current Below Normal or Open Circuit | |
| SPN 2791 FMI 6 (2353) | 2791 | 6 | EGR Valve Control Circuit – Current Above Normal or Grounded Circuit | |
| SPN 2791 FMI 7 (2357) | 2791 | 7 | EGR Valve Control Circuit – Mechanical System Not Responding or Out of Adjustment | |
| SPN 2797 FMI 13 (2765) | 2797 | 13 | Engine Injector Bank 1 Barcodes – Out of Calibration | |
| SPN 27 FMI 2 (1228) | 27 | 27 | 2 | EGR Valve Position – Data Erratic, Intermittent, or Incorrect |
| SPN 27 FMI 4 (2272) | 27 | 27 | 4 | EGR Valve Position Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 2978 FMI 9 (3838) | 2978 | 9 | Estimated Engine Parasitic Losses – Percent Torque – Abnormal Update Rate | |
| SPN 3031 FMI 18 (3651) | 3031 | 18 | Aftertreatment Diesel Exhaust Fluid Tank Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 3031 FMI 2 (1679) | 3031 | 2 | Aftertreatment Diesel Exhaust Fluid Tank Temperature – Data Erratic, Intermittent, or Incorrect | |
| SPN 3031 FMI 3 (1678) | 3031 | 3 | Aftertreatment Diesel Exhaust Fluid Tank Temperature Sensor – Voltage Above Normal or Shorted to High Source | |
| SPN 3031 FMI 4 (1677) | 3031 | 4 | Aftertreatment Diesel Exhaust Fluid Tank Temperature Sensor – Voltage Below Normal or Shorted to Low Source | |
| SPN 3058 FMI 16 (3383) | 411 | 3058 | 16 | Engine Exhaust Gas Recirculation (EGR) System – Data Valid But Above Normal Operating Range – Moderately Severe Level |
| SPN 3058 FMI 18 (3382) | 3058 | 18 | Engine Exhaust Gas Recirculation (EGR) System – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 3060 FMI 18 (3243) | 3060 | 18 | Engine Cooling System Monitor – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 3216 FMI 10 (3725) | 102 | 3216 | 10 | Aftertreatment Intake NOx Sensor – Abnormal Rate of Change |
| SPN 3216 FMI 13 (3718) | 3216 | 13 | Aftertreatment Intake NOx – Out of Calibration | |
| SPN 3216 FMI 16 (3726) | 3216 | 16 | Aftertreatment Intake NOx – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 3216 FMI 20 (3748) | 3216 | 20 | Aftertreatment Intake NOx Sensor – Data Not Rational – Drifted High | |
| SPN 3216 FMI 2 (3228) | 3216 | 2 | Aftertreatment Intake NOx Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 3216 FMI 4 (1885) | 102 | 3216 | 4 | Aftertreatment Intake NOx Sensor Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 3216 FMI 9 (3232) | 3216 | 9 | Aftertreatment Intake NOx Sensor – Abnormal Update Rate | |
| SPN 3218 FMI 2 (3682) | 190 | 3218 | 2 | Aftertreatment Intake NOx Sensor Power Supply – Data Erratic, Intermittent, or Incorrect |
| SPN 3226 FMI 10 (3545) | 2202 | 3226 | 10 | Aftertreatment Outlet NOx Sensor – Abnormal Rate of Change |
| SPN 3226 FMI 13 (3717) | 3226 | 13 | Aftertreatment Outlet NOx Sensor – Out of Calibration | |
| SPN 3226 FMI 20 (3749) | 3226 | 20 | Aftertreatment Outlet NOx Sensor – Data Not Rational – Drifted High | |
| SPN 3226 FMI 2 (1694) | 2201 | 3226 | 2 | Aftertreatment Outlet NOx Sensor – Data Erratic, Intermittent, or Incorrect |
| SPN 3226 FMI 4 (1887) | 2202 | 3226 | 4 | Aftertreatment Outlet NOx Sensor Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 3226 FMI 9 (2771) | 3226 | 9 | Aftertreatment Outlet NOx Sensor – Abnormal Update Rate | |
| SPN 3228 FMI 2 (3681) | 411 | 3228 | 2 | Aftertreatment Outlet NOx Sensor Power Supply – Data Erratic, Intermittent, or Incorrect |
| SPN 3242 FMI 0 (3311) | 3242 | Aftertreatment Diesel Particulate Filter Intake Temperature – Data Valid But Above Normal Operating Range – Most Severe Level | ||
| SPN 3242 FMI 15 (3254) | 3242 | 15 | Aftertreatment Diesel Particulate Filter Intake Temperature – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 3242 FMI 16 (3253) | 3242 | 16 | Aftertreatment Diesel Particulate Filter Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 3242 FMI 2 (3318) | 3242 | 2 | Aftertreatment Diesel Particulate Filter Intake Temperature – Data Erratic, Intermittent, or Incorrect | |
| SPN 3242 FMI 3 (3317) | 3242 | 3 | Aftertreatment Diesel Particulate Filter Intake Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3242 FMI 4 (3316) | 3242 | 4 | Aftertreatment Diesel Particulate Filter Intake Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3246 FMI 0 (3312) | 3246 | Aftertreatment Diesel Particulate Filter Outlet Temperature – Data Valid But Above Normal Operating Range – Most Severe Level | ||
| SPN 3246 FMI 15 (3256) | 3246 | 15 | Aftertreatment Diesel Particulate Filter Outlet Temperature – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 3246 FMI 16 (3255) | 3246 | 16 | Aftertreatment Diesel Particulate Filter Outlet Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 3246 FMI 2 (3322) | 3246 | 2 | Aftertreatment Diesel Particulate Filter Outlet Temperature – Data Erratic, Intermittent, or Incorrect | |
| SPN 3246 FMI 3 (3319) | 3246 | 3 | Aftertreatment Diesel Particulate Filter Outlet Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3246 FMI 4 (3321) | 3246 | 4 | Aftertreatment Diesel Particulate Filter Outlet Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3251 FMI 0 (1922) | 3251 | Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Most Severe Level | ||
| SPN 3251 FMI 10 (5715) | 3251 | 10 | Aftertreatment 1 Diesel Particulate Filter Differential Pressure Sensor – Abnormal Rate of Change | |
| SPN 3251 FMI 15 (2639) | 3251 | 15 | Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 3251 FMI 16 (1921) | 3251 | 16 | Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 3251 FMI 2 (1883) | 3251 | 2 | Aftertreatment Diesel Particulate Filter Differential Pressure Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 3251 FMI 3 (1879) | 3251 | 3 | Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3251 FMI 4 (1881) | 3251 | 4 | Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3360 FMI 11 (3736) | 3360 | 11 | Aftertreatment Diesel Exhaust Fluid Controller – Root Cause Not Known | |
| SPN 3360 FMI 12 (1688) | 3360 | 12 | Aftertreatment Diesel Exhaust Fluid Controller – Bad Intelligent Device or Component | |
| SPN 3360 FMI 13 (4431) | 3360 | 13 | Aftertreatment Diesel Exhaust Fluid Controller – Out of Calibration | |
| SPN 3360 FMI 19 (3598) | 3360 | 19 | Aftertreatment Diesel Exhaust Fluid Controller – Received Network Data in Error | |
| SPN 3360 FMI 2 (3557) | 3360 | 2 | Aftertreatment Diesel Exhaust Fluid Controller – Data Erratic, Intermittent, or Incorrect | |
| SPN 3360 FMI 9 (3597) | 3360 | 9 | Aftertreatment Diesel Exhaust Fluid Controller – Abnormal Update Rate | |
| SPN 3361 FMI 11 (3679) | 3361 | 11 | Aftertreatment Diesel Exhaust Fluid Dosing Unit – Root Cause Not Known | |
| SPN 3361 FMI 12 (1681) | 3361 | 12 | Aftertreatment Diesel Exhaust Fluid Dosing Unit – Bad Intelligent Device or Component | |
| SPN 3361 FMI 12 (4157) | 3361 | 12 | Aftertreatment Diesel Exhaust Fluid Return Valve – Mechanical System Not Responding or Out of Adjustment | |
| SPN 3361 FMI 2 (2976) | 3361 | 2 | Aftertreatment Diesel Exhaust Fluid Dosing Unit Temperature – Data Erratic, Intermittent, or Incorrect | |
| SPN 3361 FMI 3 (3558) | 3361 | 3 | Aftertreatment Diesel Exhaust Fluid Dosing Unit – Voltage Above Normal or Shorted to High Source | |
| SPN 3361 FMI 4 (3559) | 3361 | 4 | Aftertreatment Diesel Exhaust Fluid Dosing Unit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3361 FMI 5 (3561) | 3361 | 5 | Aftertreatment Diesel Exhaust Fluid Dosing Unit – Current Below Normal or Open Circuit | |
| SPN 3361 FMI 7 (3612) | 3361 | 7 | Aftertreatment Diesel Exhaust Fluid Doing Unit – Mechanical System Not Responding or Out of Adjustment | |
| SPN 3362 FMI 31 (1682) | 3362 | 31 | Aftertreatment Diesel Exhaust Fluid Dosing Unit Input Lines – Condition Exists | |
| SPN 3362 FMI 7 (3569) | 3362 | 7 | Aftertreatment Diesel Exhaust Fluid Dosing Unit Input Lines – Mechanical System Not Responding or Out of Adjustment | |
| SPN 3363 FMI 16 (1713) | 3363 | 16 | Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 3363 FMI 18 (1712) | 3363 | 18 | Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 3363 FMI 3 (1683) | 3363 | 3 | Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Voltage Above Normal or Shorted to High Source | |
| SPN 3363 FMI 4 (1684) | 3363 | 4 | Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Voltage Below Normal or Shorted to Low Source | |
| SPN 3363 FMI 5 (3576) | 3363 | 5 | Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Current Below Normal or Open Circuit | |
| SPN 3363 FMI 7 (3242) | 3363 | 7 | Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Mechanical System Not Responding or Out of Adjustment | |
| SPN 3480 FMI 17 (2881) | 3480 | 17 | Aftertreatment Fuel Pressure Sensor – Data Valid But Below Normal Operating Range – Least Severe Level | |
| SPN 3480 FMI 2 (1926) | 3480 | 2 | Aftertreatment Fuel Pressure Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 3480 FMI 3 (1927) | 3480 | 3 | Aftertreatment Fuel Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3480 FMI 4 (1928) | 3480 | 4 | Aftertreatment Fuel Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3482 FMI 2 (1925) | 3482 | 2 | Aftertreatment Fuel Shutoff Valve 1 – Data Erratic, Intermittent, or Incorrect | |
| SPN 3482 FMI 3 (1923) | 3482 | 3 | Aftertreatment Fuel Shutoff Valve 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3482 FMI 4 (1924) | 3482 | 4 | Aftertreatment Fuel Shutoff Valve 1 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3482 FMI 7 (1963) | 3482 | 7 | Aftertreatment Fuel Shutoff Valve 1 – Mechanical System Not Responding Properly or Out of Adjustment | |
| SPN 3490 FMI 3 (3224) | 3490 | 3 | Aftertreatment Purge Air Actuator Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3490 FMI 4 (3223) | 3490 | 4 | Aftertreatment Purge Air Actuator Circuit – Voltage Below Normal, or Shorted to Low Source | |
| SPN 3490 FMI 7 (3225) | 3490 | 7 | Aftertreatment Purge Air Actuator – Mechanical System Not Responding or Out of Adjustment | |
| SPN 3509 FMI 3 (386) | 3509 | 3 | Sensor Supply 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3509 FMI 4 (352) | 3509 | 4 | Sensor Supply 1 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3510 FMI 3 (227) | 3510 | 3 | Sensor Supply 2 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3510 FMI 4 (187) | 3510 | 4 | Sensor Supply 2 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3511 FMI 3 (239) | 3511 | 3 | Sensor Supply Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3511 FMI 4 (238) | 105 | 3511 | 4 | Sensor Supply 3 Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 3512 FMI 3 (2185) | 3512 | 3 | Sensor Supply 4 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3512 FMI 4 (2186) | 3512 | 4 | Sensor Supply 4 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3513 FMI 3 (1695) | 3513 | 3 | Sensor Supply 5 – Voltage Above Normal or Shorted to High Source | |
| SPN 3513 FMI 4 (1696) | 3513 | 4 | Sensor Supply 5 – Voltage Below Normal or Shorted to Low Source | |
| SPN 3514 FMI 3 (515) | 3514 | 3 | Sensor Supply 6 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3514 FMI 4 (516) | 3514 | 4 | Sensor Supply 6 Circuit – 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 18 (3167) | 3556 | 18 | Aftertreatment Doser – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 3556 FMI 2 (1932) | 3556 | 2 | Aftertreatment Doser – Data Erratic, Intermittent, or Incorrect | |
| SPN 3556 FMI 5 (1977) | 3556 | 5 | Aftertreatment Doser Circuit – Current Below Normal or Open Circuit | |
| SPN 3556 FMI 7 (1964) | 3556 | 7 | Aftertreatment Doser – Mechanical System Not Responding or Out of Adjustment | |
| SPN 3597 FMI 18 (1938) | 3597 | 18 | ECU Power Output Supply Voltage 1 – Data Valid But Below Normal Operational Range – Moderately Severe Level | |
| SPN 3610 FMI 10 (5716) | 3610 | 10 | Aftertreatment Diesel Particulate Filter Outlet Pressure – Abnormal Rate of Change | |
| SPN 3610 FMI 2 (3135) | 3610 | 2 | Aftertreatment Diesel Particulate Filter Outlet Pressure – Data Erratic, Intermittent, or Incorrect | |
| SPN 3610 FMI 3 (3133) | 3610 | 3 | Aftertreatment Diesel Particulate Filter Outlet Pressure Sensor Circuit – Voltage Above Normal, or Shorted to High Source | |
| SPN 3610 FMI 4 (3134) | 3610 | 4 | Aftertreatment Diesel Particulate Filter Outlet Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source | |
| SPN 3667 FMI 2 (5221) | 3667 | 2 | Engine Air Shutoff Status – Data Erratic, Intermittent, or Incorrect | |
| SPN 3667 FMI 3 (3139) | 3667 | 3 | Engine Air Shutoff Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3667 FMI 4 (3141) | 102 | 3667 | 4 | Engine Air Shutoff Circuit – Voltage Below Normal or Shorted to Low Source |
| SPN 3667 FMI 7 (4484) | 3667 | 7 | Engine Air Shutoff Circuit – Mechanical System Not Responding or Out of Adjustment | |
| SPN 3703 FMI 31 (2777) | SID 390 | 3703 | 31 | Particulate Trap Active Regeneration Inhibited Due to Inhibit Switch – Condition Exists |
| SPN 3703 FMI 31 (6416) | 3703 | 31 | Aftertreatment Regeneration Inhibited Due to Inhibit Switch – Condition Exists | |
| SPN 3711 FMI 31 (3495) | 3711 | 31 | Diesel Particulate Filter Active Regeneration Inhibited Due to Low Exhaust Gas Temperature – Condition Exists | |
| SPN 3713 FMI 31 (3753) | 3713 | 31 | Diesel Particulate Filter Active Regeneration Inhibited Due to System Timeout – Condition Exists | |
| SPN 3720 FMI 15 (5383) | 3720 | 15 | Aftertreatment 1 Diesel Particulate Filter Ash Load Percent – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 3936 FMI 15 (1981) | 3936 | 15 | Aftertreatment Diesel Particulate Filter System – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 3936 FMI 16 (3168) | 3936 | 16 | Aftertreatment Diesel Particulate Filter System – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 3936 FMI 7 (3245) | 3936 | 7 | Aftertreatment Diesel Particulate Filter System – Mechanical System Not Responding or Out of Adjustment | |
| SPN 4094 FMI 31 (3543) | 4094 | 31 | NOx Limits Exceeded Due to Insufficient Reagent Quality – Condition Exists | |
| SPN 4096 FMI 31 (3547) | 4096 | 31 | Aftertreatment Diesel Exhaust Fluid Tank Empty – Condition Exists | |
| SPN 411 FMI 16 (3385) | 105 | 411 | 16 | Intake Manifold 1 Temperature – Data Valid But Below Normal Operational Range – Moderately Severe Level |
| SPN 411 FMI 16 (3389) | 411 | 411 | 16 | Exhaust Gas Recirculation (EGR) System – Abnormal Rate of Change |
| 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 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 Operating Range – Moderately Severe Level |
| SPN 412 FMI 2 (1867) | 412 | 412 | 2 | Engine Gas Recirculation Temperature – Data Erratic, Intermittent, or Incorrect |
| 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 4334 FMI 16 (3575) | 4334 | 16 | Aftertreatment Diesel Exhaust Fluid Pressure Sensor – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 4334 FMI 18 (3574) | 4334 | 18 | Aftertreatment Diesel Exhaust Fluid Pressure Sensor – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 4334 FMI 2 (3596) | 4334 | 2 | Aftertreatment Diesel Exhaust Fluid Pressure Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 4334 FMI 3 (3571) | 4334 | 3 | Aftertreatment Diesel Exhaust Fluid Pressure Sensor – Voltage Above Normal or Shorted to High Source | |
| SPN 4334 FMI 4 (3572) | 4334 | 4 | Aftertreatment Diesel Exhaust Fluid Pressure Sensor – Voltage Below Normal or Shorted to Low Source | |
| SPN 4340 FMI 3 (3237) | 4340 | 3 | Aftertreatment Diesel Exhaust Fluid Line Heater 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 4340 FMI 5 (3258) | 4340 | 5 | Aftertreatment Diesel Exhaust Fluid Line Heater 1 Circuit – Current Below Normal or Open Circuit | |
| SPN 4342 FMI 3 (3239) | 4342 | 3 | Aftertreatment Diesel Exhaust Fluid Line Heater 2 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 4342 FMI 5 (3261) | 4342 | 5 | Aftertreatment Diesel Exhaust Fluid Line Heater 2 Circuit – Current Below Normal or Open Circuit | |
| SPN 4344 FMI 3 (3422) | 4344 | 3 | Aftertreatment Diesel Exhaust Fluid Line Heater 3 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 4344 FMI 5 (3425) | 4344 | 5 | Aftertreatment Diesel Exhaust Fluid Line Heater 3 Circuit – Current Below Normal or Open Circuit | |
| SPN 4346 FMI 3 (3426) | 4346 | 3 | Aftertreatment Diesel Exhaust Fluid Line Heater 4 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 4346 FMI 5 (3429) | 4346 | 5 | Aftertreatment Diesel Exhaust Fluid Line Heater 4 Circuit – Current Below Normal or Open Circuit | |
| SPN 4360 FMI 0 (3229) | 4360 | Aftertreatment SCR Intake Temperature – Data Valid But Above Normal Operational Range – Most Severe Level | ||
| SPN 4360 FMI 10 (3145) | 4360 | 10 | Aftertreatment SCR Intake Temperature Sensor – Abnormal Rate of Change | |
| SPN 4360 FMI 15 (3164) | 4360 | 15 | Aftertreatment SCR Intake Temperature – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 4360 FMI 16 (3231) | 4360 | 16 | Aftertreatment SCR Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 4360 FMI 2 (3144) | 4360 | 2 | Aftertreatment SCR Intake Temperature Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 4360 FMI 3 (3142) | 4360 | 3 | Aftertreatment SCR Intake Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 4360 FMI 4 (3143) | 4360 | 4 | Aftertreatment SCR Intake Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 4363 FMI 0 (3165) | 4363 | Aftertreatment 1 SCR Outlet Temperature – Data Valid But Above Normal Operating Range – Most Severe Level | ||
| SPN 4363 FMI 10 (3149) | 4363 | 10 | Aftertreatment SCR Outlet Temperature Sensor – Abnormal Rate of Change | |
| SPN 4363 FMI 15 (3236) | 4363 | 15 | Aftertreatment SCR Outlet Temperature – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 4363 FMI 16 (3235) | 4363 | 16 | Aftertreatment SCR Outlet Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 4363 FMI 2 (3148) | 4363 | 2 | Aftertreatment SCR Outlet Temperature Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 4363 FMI 3 (3146) | 4363 | 3 | Aftertreatment SCR Outlet Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 4363 FMI 4 (3147) | 4363 | 4 | Aftertreatment SCR Outlet Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 4364 FMI 18 (3151) | 4364 | 18 | Aftertreatment SCR Catalyst Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 4364 FMI 18 (3582) | 4364 | 18 | Aftertreatment SCR Catalyst Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 4376 FMI 3 (3577) | 4376 | 3 | Aftertreatment Diesel Exhaust Fluid Return Valve – Voltage Above Normal or Shorted to High Source | |
| SPN 4376 FMI 4 (3578) | 4376 | 4 | Aftertreatment Diesel Exhaust Fluid Return Valve – Voltage Below Normal, or Shorted to Low Source | |
| SPN 4376 FMI 5 (3579) | 4376 | 5 | Aftertreatment Diesel Exhaust Fluid Return Valve – Current Below Normal or Open Circuit | |
| SPN 444 FMI 16 (478) | 444 | 444 | 16 | Battery 2 Voltage – Data Valid But Above Normal Operating Range – Moderately Severe Level |
| SPN 444 FMI 18 (477) | 444 | 444 | 18 | Battery 2 Voltage – Data Valid But Below Normal Opening Range – Moderately Severe Level |
| SPN 4752 FMI 18 (3342) | 91 | 4752 | 18 | Engine Exhaust Gas Recirculation Cooler Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level |
| SPN 475 FMI 16 (3251) | 475 | 16 | Aftertreatment Diesel Oxidation Catalyst Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 4765 FMI 2 (3315) | 4765 | 2 | Aftertreatment Diesel Oxidation Catalyst Intake Temperature – Data Erratic, Intermittent, or Incorrect | |
| SPN 4765 FMI 3 (3314) | 4765 | 3 | Aftertreatment Diesel Oxidation Catalyst Intake Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 4765 FMI 4 (3313) | 4765 | 4 | Aftertreatment Diesel Oxidation Catalyst Intake Temperature Sensor Circuit – Voltage Below Normal, or Shorted to Low Source | |
| SPN 4792 FMI 7 (3751) | 4792 | 7 | Aftertreatment SCR Catalyst System – Mechanical System Not Responding or Out of Adjustment | |
| SPN 4795 FMI 31 (1993) | 4795 | 31 | Aftertreatment Diesel Particulate Filter Missing – Condition Exists | |
| SPN 4796 FMI 31 (1664) | 4796 | 31 | Aftertreatment Diesel Oxidation Catalyst Missing – Condition Exists | |
| SPN 5018 FMI 11 (2637) | 5018 | 11 | Aftertreatment Diesel Oxidation Catalyst Face Plugged – Root Cause Not Known | |
| SPN 5019 FMI 2 (3138) | 5019 | 2 | Engine Exhaust Gas Recirculation Outlet Pressure – Data Erratic, Intermittent, or Incorrect | |
| SPN 5019 FMI 3 (3136) | 5019 | 3 | Engine Exhaust Gas Recirculation Outlet Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 5019 FMI 4 (3137) | 5019 | 4 | Engine Exhaust Gas Recirculation Outlet Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 5024 FMI 10 (3649) | 5024 | 10 | Aftertreatment Intake NOx Sensor Heater – Abnormal Rate of Change | |
| SPN 5031 FMI 10 (3583) | 5031 | 10 | Aftertreatment Outlet NOx Sensor Heater – Abnormal Rate of Change | |
| SPN 5097 FMI 3 (4293) | 5097 | 3 | Engine Brake Active Lamp – Voltage Above Normal or Shorted to High Source | |
| SPN 5097 FMI 4 (4294) | 5097 | 4 | Engine Brake Active Lamp – Voltage Below Normal or Shorted to Low Source | |
| SPN 5246 FMI 0 (3712) | 105 | 5246 | Aftertreatment SCR Operator Inducement – Data Valid But Above Normal Operating Range – Most Severe Level | |
| SPN 5285 FMI 18 (3343) | 5285 | 18 | Engine Charge-Air Cooler Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level | |
| SPN 5298 FMI 17 (2638) | 5298 | 17 | Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency – Data Valid But Below Normal Operating Range – Least Severe Level | |
| SPN 5319 FMI 31 (3376) | 5319 | 31 | Aftertreatment Diesel Particulate Filter Incomplete Regeneration – Condition Exists | |
| SPN 5394 FMI 2 (3755) | 5394 | 2 | Aftertreatment Diesel Exhaust Fluid Dosing Valve – Data Erratic, Intermittent, or Incorrect | |
| SPN 5394 FMI 3 (3565) | 5394 | 3 | Aftertreatment Diesel Exhaust Fluid Dosing Value – Voltage Above Normal or Shorted to High Source | |
| SPN 5394 FMI 4 (3566) | 5394 | 4 | Aftertreatment Diesel Exhaust Fluid Dosing Valve – Voltage Below Normal or Shorted to Low Source | |
| SPN 5394 FMI 5 (3567) | 5394 | 5 | Aftertreatment Diesel Exhaust Fluid Dosing Valve – Current Below Normal or Open Circuit | |
| SPN 5394 FMI 7 (3568) | 5394 | 7 | Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve – Mechanical System Not Responding or Out of Adjustment | |
| SPN 5397 FMI 31 (3375) | 5397 | 31 | Aftertreatment Diesel Particulate Filter Regeneration Too Frequent – Condition Exists | |
| SPN 5480 FMI 16 (3648) | 5480 | 16 | Aftertreatment DEF Controller Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 5491 FMI 3 (3562) | 5491 | 3 | Aftertreatment Diesel Exhaust Fluid Line Heater Relay – Voltage Above Normal or Shorted to High Source | |
| SPN 5491 FMI 4 (3563) | 5491 | 4 | Aftertreatment Diesel Exhaust Fluid Line Heater Relay – Voltage Below Normal or Shorted to Low Source | |
| SPN 5491 FMI 5 (3564) | 5491 | 5 | Aftertreatment Diesel Exhaust Fluid Line Heater Relay – Current Below Normal or Open Circuit | |
| SPN 5491 FMI 7 (3713) | 5491 | 7 | Aftertreatment Diesel Fluid Line Heater Relay – Mechanical System Not Responding or Out of Adjustment | |
| SPN 5571 FMI 7 (3727) | 5571 | 7 | High-Pressure Common Rail Fuel Pressure Relief Valve – Mechanical System Not Responding or Out of Adjustment | |
| SPN 558 FMI 19 (3527) | 91 | 558 | 19 | Accelerator Pedal or Lever Idle Validation Switch – Received Network Data in Error |
| SPN 558 FMI 9 (3528) | 558 | 9 | Accelerator Pedal or Lever Idle Validation Switch – Abnormal Update Rate | |
| SPN 5603 FMI 31 (3845) | 5603 | 31 | Cruise Control Disable Command – Condition Exists | |
| SPN 5603 FMI 9 (3843) | 5603 | 9 | Cruise Control Disable Command – Abnormal Update Rate | |
| SPN 5605 FMI 31 (3844) | 5605 | 31 | Cruise Control Pause Command – Condition Exists | |
| SPN 563 FMI 9 (3488) | 563 | 9 | Anti-Lock Braking (ABS) Controller – Abnormal Update Rate | |
| SPN 5745 FMI 2 (4167) | 5745 | 2 | Aftertreatment Diesel Exhaust Fluid Dosing Unit Heater – Data Erratic, Intermittent, or Incorrect | |
| SPN 612 FMI 2 (115) | 190 | 612 | 2 | Engine Magnetic Speed / Position Lost Both of Two Signals – Data Erratic, Intermittent, or Incorrect |
| SPN 612 FMI 2 (425) | 175 | 612 | 2 | Engine Oil Temperature – Data Erratic, Intermittent, or Incorrect |
| SPN 626 FMI 3 (2738) | 626 | 3 | Start Enable Device 1 Circuit (Ether Injection) – Voltage Above Normal or Shorted to High Source | |
| SPN 626 FMI 4 (2739) | 626 | 4 | Start Enable Device 1 Circuit (Ether Injection) – Voltage Below Normal or Shorted to Low Source | |
| SPN 627 FMI 12 (351) | 110 | 627 | 12 | Injector Power Supply – Bad Intelligent Device or Component |
| SPN 627 FMI 2 (1117) | 627 | 2 | Power Supply Lost With Ignition On – Data Erratic, Intermittent or Incorrect | |
| SPN 629 FMI 12 (111) | 629 | 12 | Engine Control Module Critical Internal Failure – Bad Intelligent Device or Component | |
| SPN 629 FMI 12 (343) | 629 | 12 | Electronic Control Module Warning Internal Hardware Failure – Bad Intelligent Device or Component | |
| SPN 630 FMI 12 (346) | 630 | 12 | Engine Control Module Calibration Memory Software – Bad Intelligent Device or Component | |
| SPN 630 FMI 12 (3697) | 630 | 12 | Engine Control Module Calibration Memory – Bad Intelligent Device or Component | |
| SPN 633 FMI 31 (2311) | 633 | 31 | Electronic Fuel Injection Control Valve Circuit – Condition Exists | |
| SPN 639 FMI 13 (286) | 639 | 13 | SAE J1939 Multiplexing Configuration Error – Out of Calibration | |
| SPN 639 FMI 9 (285) | 639 | 9 | SAE J1939 Multiplexing PGN Timeout Error – Abnormal Update Rate | |
| SPN 639 FMI 9 (427) | 639 | 9 | SAE J1939 Data Link – Abnormal Update Rate | |
| SPN 641 FMI 11 (2198) | 641 | 11 | VGT Actuator Driver Circuit – Root Cause Not Known | |
| SPN 641 FMI 12 (2634) | 641 | 12 | VGT Actuator Controller – Bad Intelligent Device or Component | |
| SPN 641 FMI 13 (1898) | 641 | 13 | VGT Actuator Controller – Out of Calibration | |
| SPN 641 FMI 13 (2449) | 641 | 13 | VGT Actuator Controller – Out of Calibration | |
| SPN 641 FMI 15 (1962) | 641 | 15 | VGT Actuator Driver Over Temperature (Calculated) – Data Valid But Above Normal Operating Range – Least Severe Level | |
| SPN 641 FMI 31 (2635) | 641 | 31 | VGT Actuator Driver Circuit – Condition Exists | |
| SPN 641 FMI 7 (2387) | 641 | 7 | Variable Geometry Turbocharger (VGT) Actuator Driver Circuit (Motor) – Mechanical System Not Responding or Out of Adjustment | |
| SPN 641 FMI 9 (2636) | 641 | 9 | VGT Actuator Driver Circuit – Abnormal Update Rate | |
| SPN 647 FMI 3 (2377) | 647 | 3 | Fan Control Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 647 FMI 3 (6263) | 647 | 3 | Fan Control Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 647 FMI 4 (245) | 647 | 4 | Fan Control Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 647 FMI 4 (6264) | 647 | 4 | Fan Control Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 651 FMI 5 (322) | 651 | 5 | Injector Solenoid Driver Cylinder 1 Circuit – Current Below Normal or Open Circuit | |
| SPN 651 FMI 7 (1139) | 651 | 7 | Injector Solenoid Driver Cylinder 1 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 652 FMI 5 (331) | 652 | 5 | Injector Solenoid Driver Cylinder 2 Circuit – Current Below Normal or Open Circuit | |
| SPN 652 FMI 7 (1141) | 652 | 7 | Injector Solenoid Driver Cylinder 2 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 653 FMI 5 (324) | 653 | 5 | Injector Solenoid Driver Cylinder 3 Circuit – Current Below Normal or Open Circuit | |
| SPN 653 FMI 7 (1142) | 653 | 7 | Injector Solenoid Driver Cylinder 3 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 654 FMI 5 (332) | 654 | 5 | Injector Solenoid Driver Cylinder 4 Circuit – Current Below Normal or Open Circuit | |
| SPN 654 FMI 7 (1143) | 654 | 7 | Injector Solenoid Driver Cylinder 4 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 655 FMI 5 (323) | 655 | 5 | Injector Solenoid Driver Cylinder 5 Circuit – Current Below Normal or Open Circuit | |
| SPN 655 FMI 7 (1144) | 655 | 7 | Injector Solenoid Driver Cylinder 5 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 656 FMI 5 (325) | 656 | 5 | Injector Solenoid Driver Cylinder 6 Circuit – Current Below Normal or Open Circuit | |
| SPN 656 FMI 7 (1145) | 656 | 7 | Injector Solenoid Driver Cylinder 6 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 677 FMI 3 (584) | 677 | 3 | Starter Relay Driver Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 677 FMI 3 (6261) | 677 | 3 | Engine Starter Motor Relay Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 677 FMI 4 (585) | 677 | 4 | Starter Relay Driver Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 677 FMI 4 (6262) | 677 | 4 | Engine Starter Motor Relay Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 6802 FMI 31 (5278) | 6802 | 31 | Aftertreatment 1 Diesel Exhaust Fluid Dosing System Frozen – Condition Exists | |
| SPN 703 FMI 11 (779) | 703 | 11 | Auxiliary Equipment Sensor Input 3 – Root Cause Not Known | |
| SPN 723 FMI 2 (2322) | 723 | 2 | Engine Crankshaft Speed / Position Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 723 FMI 2 (778) | 723 | 2 | Engine Camshaft Speed / Position Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 723 FMI 7 (731) | 723 | 7 | Engine Speed / Position Camshaft and Crankshaft Misalignment – Mechanical System Not Responding or Out of Adjustment | |
| SPN 729 FMI 3 (2555) | 729 | 3 | Engine Intake Air Heater 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 729 FMI 4 (2556) | 729 | 4 | Engine Intake Air Heater 1 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 748 FMI 9 (3641) | 748 | 9 | Transmission Output Retarder – Abnormal Update Rate | |
| SPN 81 FMI 16 (2754) | 81 | 81 | 16 | Engine Diesel Particulate Filter Intake Pressure – Data Valid But Above Normal Operating 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 19 (3525) | 84 | 19 | Wheel-Based Vehicle Speed – Received Network Data in Error | |
| SPN 84 FMI 2 (241) | 84 | 84 | 2 | Wheel-Based Vehicle Speed – Data Erratic, Intermittent, or Incorrect |
| SPN 84 FMI 9 (3526) | 84 | 9 | Wheel-Based Vehicle Speed – Abnormal Update Rate | |
| 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) | 102 | 862 | 4 | Crankcase Breather Filter Heater Circuit – Voltage Below Normal, or Shorted to Low Source |
| SPN 862 FMI 4 (6337) | 862 | 4 | Crankcase Breather Filter Heater Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 91 FMI 19 (1515) | 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 91 FMI 9 (3326) | 91 | 9 | SAE J1939 Multiplexed Accelerator Pedal or Lever Sensor System – Abnormal Update Rate | |
| SPN 95 FMI 15 (2343) | 95 | 95 | 15 | Fuel Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level |
| SPN 95 FMI 16 (2372) | 95 | 95 | 16 | Fuel Filter Differential Pressure – Data Valid But Above Normal Operating 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 19 (6417) | 974 | 19 | SAE J1939 Multiplexing Remote Accelerator Pedal or Lever 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 3 (1595) | 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 974 FMI 4 (1361) | 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 16 (1852) | 97 | 16 | Water-In-Fuel Indicator – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 97 FMI 3 (1845) | 97 | 97 | 3 | Water-In-Fuel Indicator Sensor Circuit – Voltage Above Normal or Shorted to High Source |
| 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 (1846) | 97 | 4 | Water-In-Fuel Indicator Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 97 FMI 4 (429) | 97 | 4 | Water-In-Fuel Indicator Sensor Circuit – Voltage Below Normal or Shorted to Low Source |