The Cummins L9 engine (2016–2020) continues to be a popular midrange diesel choice for medium- and heavy-duty trucks, buses, and construction equipment. Known for its reliability and fuel efficiency, the L9 relies on clear fault code diagnostics to keep downtime low and repairs on track.
A reliable fault code chart helps you identify issues faster, plan repairs, and get trucks back on the road with minimal delays.
Cummins L9 (2016–2020) Engine Overview
-
Displacement: 8.9L
-
Horsepower Range: 260–450 HP
-
Torque: Up to 1,250 lb-ft
-
Emissions System: SCR + DPF
-
Fuel System: High-Pressure Common Rail (HPCR)
-
Applications: Freightliner M2, Peterbilt 348, school buses, refuse trucks, and more
📍 Get FREE Fault Code Information for all makes and models in Diesel Repair → Diesel Repair
Fault Codes for Cummins L9 (2016–2020)
| Fault | PID | SPN | FMI | SID | 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 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) | 522 | 100 | 4 | Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 101 FMI 15 (1974) | 101 | 101 | 15 | Crankcase Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level | |
| SPN 101 FMI 16 (555) | 101 | 101 | 16 | Crankcase Pressure – Data Valid but Above Normal Operational 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 1 (4729) | 102 | 1 | Intake Manifold 1 Pressure – Data Valid But Below Normal Operating Range – Most 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 1 (7233) | 102 | 1 | Engine Intake Manifold Pressure – Data Valid But Below Normal Operating Range – Most 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 20 (5989) | 102 | 20 | Intake Manifold 1 Pressure – Data Not Rational – Drifted High | ||
| SPN 102 FMI 21 (5991) | 102 | 21 | Intake Manifold 1 Pressure – Data Not Rational – Drifted Low | ||
| 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 15 (2288) | 103 | 103 | 15 | Turbocharger 1 Speed – Data Valid but Above Normal Operating Range – Least Severe Level | |
| SPN 103 FMI 16 (595) | 103 | 103 | 16 | Turbocharger 1 Speed – Data Valid but Above Normal Operating Range – Moderately 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 7 (5943) | 103 | 7 | Engine Turbocharger 1 Speed – Mechanical System Not Responding or Out of Adjustment | ||
| 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 16 (488) | 105 | 105 | 16 | Intake Manifold 1 Temperature – Data Valid but Above Normal Operating Range – Moderately Severe Level | |
| SPN 105 FMI 2 (436) | 105 | 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 1072 FMI 3 (6418) | 1072 | 3 | Engine Brake Actuator Driver 1 Circuit – Voltage Above Normal or Shorted to High 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 | 80 | 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 | 80 | 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 (6258) | 1075 | 3 | Electric Lift Pump for Engine Fuel Supply – Voltage Above Normal or Shorted to High Source | ||
| SPN 1075 FMI 4 (6259) | 1075 | 4 | Electric Lift Pump for Engine Fuel Supply – Voltage Below Normal or Shorted to Low Source | ||
| SPN 1081 FMI 19 (3556) | 1081 | 19 | Engine Wait to Start Lamp – Received Network Data in Error | ||
| SPN 1081 FMI 31 (4252) | 1081 | 31 | Engine Wait to Start Lamp – Condition Exists | ||
| SPN 1081 FMI 7 (3494) | 1081 | 7 | Engine Wait to Start Lamp – Mechanical System Not Responding or Out of Adjustment | ||
| SPN 1081 FMI 9 (3555) | 1081 | 9 | Engine Wait to Start Lamp – Abnormal Update Rate | ||
| SPN 108 FMI 2 (295) | 108 | 108 | 2 | Barometric Pressure – Data Erratic, Intermittent, or Incorrect | |
| 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 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 2 (334) | 110 | 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 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 | |
| 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 Operational 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) | 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 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 Shorted 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 2 (743) | 1176 | 2 | 314 | Turbocharger 1 Compressor Intake Pressure – Data Erratic, Intermittent, or Incorrect | |
| SPN 1176 FMI 3 (741) | 1176 | 3 | 314 | Turbocharger 1 Compressor Intake Pressure Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1176 FMI 4 (742) | 1176 | 4 | 314 | Turbocharger 1 Compressor Intake Pressure Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1209 FMI 17 (7273) | 1209 | 17 | Exhaust Gas Pressure – Data Valid But Below Normal Operating Range – Least Severe Level | ||
| SPN 1209 FMI 18 (4728) | 1209 | 18 | Exhaust Gas Pressure – Data Valid but Below 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 1239 FMI 16 (4726) | 1239 | 16 | Engine Fuel Leakage – Data Valid but Above Normal Operating Range – Moderately Severe Level | ||
| 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 1322 FMI 11 (5914) | 1322 | 11 | Engine Misfire for Multiple Cylinders – Condition Exists | ||
| SPN 1322 FMI 31 (1718) | 1322 | 31 | Engine Misfire for Multiple Cylinders – Condition Exists | ||
| SPN 1323 FMI 11 (5895) | 1323 | 11 | Engine Misfire Cylinder No. 1 – Condition Exists | ||
| SPN 1323 FMI 31 (1654) | 1323 | 31 | Engine Misfire Cylinder 1 – Condition Exists | ||
| SPN 1324 FMI 11 (5896) | 1324 | 11 | Engine Misfire Cylinder No. 2 – Condition Exists | ||
| SPN 1324 FMI 31 (1655) | 1324 | 31 | Engine Misfire Cylinder 2 – Condition Exists | ||
| SPN 1325 FMI 11 (5897) | 1325 | 11 | Engine Misfire Cylinder No. 3 – Condition Exists | ||
| SPN 1325 FMI 31 (1656) | 1325 | 31 | Engine Misfire Cylinder 3 – Condition Exists | ||
| SPN 1326 FMI 11 (5898) | 1326 | 11 | Engine Misfire Cylinder No. 4 – Condition Exists | ||
| SPN 1326 FMI 31 (1657) | 1326 | 31 | Engine Misfire Cylinder 4 – Condition Exists | ||
| SPN 1327 FMI 11 (5899) | 1327 | 11 | Engine Misfire Cylinder No. 5 – Condition Exists | ||
| SPN 1327 FMI 31 (1658) | 1327 | 31 | Engine Misfire Cylinder 5 – Condition Exists | ||
| SPN 1328 FMI 11 (5911) | 1328 | 11 | Engine Misfire Cylinder No. 6 – Condition Exists | ||
| SPN 1328 FMI 31 (1659) | 1328 | 31 | Engine Misfire Cylinder 6 – Condition Exists | ||
| SPN 1347 FMI 3 (272) | 1347 | 3 | 126 | Engine Fuel Pump Pressurizing Assembly 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 1347 FMI 4 (271) | 1347 | 4 | 126 | Engine Fuel Pump Pressurizing Assembly 1 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 1349 FMI 3 (483) | 129 | 1349 | 3 | Injector Metering Rail 2 Pressure Sensor Circuit – Voltage Above Normal, or Shorted to High Source | |
| SPN 1349 FMI 4 (484) | 129 | 1349 | 4 | Injector Metering Rail 2 Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source | |
| SPN 1378 FMI 31 (649) | 1378 | 31 | 115 | Engine Oil Change Interval – Condition Exists | |
| SPN 1569 FMI 15 (6255) | 1569 | 15 | Engine Protection Torque Derate – Data Valid but Above Normal Operating Range – Least Severe Level | ||
| SPN 1569 FMI 31 (3714) | 1569 | 31 | 115 | Engine Protection Torque Derate – Condition Exists | |
| 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 15 (4727) | 157 | 15 | Injector Metering Rail 1 Pressure – Data Valid but Above Normal Operating Range – Least 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 157 FMI 7 (755) | 157 | 157 | 7 | Injector Metering Rail 1 Pressure – Mechanical System Not Responding or Out of Adjustment | |
| SPN 1590 FMI 19 (7426) | 1590 | 19 | Adaptive Cruise Control Mode – Received Network Data in Error | ||
| SPN 1590 FMI 2 (784) | 1590 | 2 | 145 | Adaptive Cruise Control Mode – Data Erratic, Intermittent, or Incorrect | |
| SPN 1590 FMI 9 (7425) | 1590 | 9 | Adaptive Cruise Control Mode – Abnormal Update Rate | ||
| SPN 1623 FMI 13 (5248) | 1623 | 13 | Tachograph Output Shaft Speed – Out of Calibration | ||
| SPN 1675 FMI 31 (3737) | 1675 | 31 | 115 | Engine Starter Mode Overcrank Protection – Condition Exists | |
| SPN 167 FMI 16 (596) | 167 | 167 | 16 | Electrical Charging System Voltage – Data Valid but Above Normal Operational Range – Moderately Severe Level | |
| SPN 167 FMI 18 (597) | 167 | 167 | 18 | Electrical Charging System Voltage – Data Valid but Below Normal Operational 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 17 (3724) | 168 | 168 | 17 | Battery 1 Voltage – Data Valid but Below Normal Operating Range – Least Severe Level | |
| SPN 168 FMI 17 (6257) | 168 | 17 | Battery 1 Voltage – Data Valid but Below Normal Operating Range – Least Severe Level | ||
| SPN 171 FMI 2 (2398) | 171 | 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 1761 FMI 10 (4769) | 1761 | 10 | Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor – Abnormal Rate of Change | ||
| SPN 1761 FMI 11 (4739) | 1761 | 11 | Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor – Root Cause Not Known | ||
| SPN 1761 FMI 1 (1673) | 1761 | 1 | Aftertreatment 1 Diesel Exhaust Fluid Tank Level – Data Valid but Below Normal Operating Range – Most Severe Level | ||
| SPN 1761 FMI 13 (4732) | 1761 | 13 | Aftertreatment Diesel Exhaust Fluid Tank Level Sensor – Out of Calibration | ||
| 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) | 1761 | 3 | Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 1761 FMI 4 (1668) | 1761 | 4 | Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 1761 FMI 9 (4677) | 1761 | 9 | SAE J1939 Multiplexing PGN Timeout Error – Abnormal Update Rate | ||
| 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 17 (7234) | 188 | 17 | Engine Speed At Idle – Data Valid But Below Normal Operating Range – Least 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 16 (2468) | 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 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 237 FMI 13 (4517) | 237 | 13 | Vehicle Identification Number – Out of Calibration | ||
| SPN 251 FMI 10 (3492) | 251 | 10 | Real Time Clock – Abnormal Rate of Change | ||
| 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 | 385 | Accelerator Pedal or Lever Position Sensor 2 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 2623 FMI 8 (4149) | 2623 | 8 | Accelerator Pedal or Lever Position Sensor 2 Circuit Frequency – Abnormal Frequency or Pulse Width or Period | ||
| SPN 2791 FMI 13 (1896) | 146 | 2791 | 13 | EGR Valve Controller – Out of Calibration | |
| 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 5 (2349) | 2791 | 5 | 146 | EGR Valve Control Circuit – Current Below Normal or Open Circuit | |
| SPN 2791 FMI 6 (2353) | 2791 | 6 | 146 | EGR Valve Control Circuit – Current Above Normal or Grounded Circuit | |
| 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 2 (6637) | 2978 | 2 | Estimated Engine Parasitic Losses – Percent Torque – Data Erratic, Intermittent, or Incorrect | ||
| SPN 2978 FMI 9 (3838) | 2978 | 9 | Estimated Engine Parasitic Losses – Percent Torque – Abnormal Update Rate | ||
| SPN 3031 FMI 11 (4737) | 3031 | 11 | Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature – Root Cause Not Known | ||
| SPN 3031 FMI 13 (4731) | 3031 | 13 | Aftertreatment Diesel Exhaust Fluid Tank Temperature Sensor – Out of Calibration | ||
| SPN 3031 FMI 2 (1679) | 3031 | 2 | Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature – Data Erratic, Intermittent, or Incorrect | ||
| SPN 3031 FMI 3 (1678) | 3031 | 3 | Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature Sensor – Voltage Above Normal or Shorted to High Source | ||
| SPN 3031 FMI 4 (1677) | 3031 | 4 | Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature Sensor – Voltage Below Normal or Shorted to Low Source | ||
| SPN 3031 FMI 9 (4572) | 3031 | 9 | Aftertreatment Diesel Exhaust Fluid Tank Temperature – Abnormal Update Rate | ||
| SPN 3058 FMI 0 (7232) | 3058 | Engine Exhaust Gas Recirculation (EGR) System – Data Valid But Above Normal Operating Range – Most Severe Level | |||
| SPN 3058 FMI 10 (3389) | 3058 | 10 | Engine Exhaust Gas Recirculation (EGR) System – Abnormal Rate of Change | ||
| 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 20 (3748) | 3216 | 20 | Aftertreatment Intake NOx Sensor – Data Not Rational – Drifted High | ||
| SPN 3216 FMI 20 (6458) | 3216 | 20 | Aftertreatment 1 Intake NOx Sensor – Data Not Rational – Drifted High | ||
| SPN 3216 FMI 21 (6459) | 3216 | 21 | Aftertreatment 1 Intake NOx Sensor – Data Not Rational – Drifted Low | ||
| SPN 3216 FMI 2 (3228) | 3216 | 2 | Aftertreatment Intake NOx Sensor – Data Erratic, Intermittent, or Incorrect | ||
| SPN 3216 FMI 2 (6461) | 3216 | 2 | Aftertreatment 1 Intake NOx – 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 3217 FMI 20 (4747) | 3217 | 20 | Aftertreatment Intake Oxygen Sensor – Data Not Rational – Drifted High | ||
| SPN 3217 FMI 21 (4748) | 3217 | 21 | Aftertreatment Intake Oxygen Sensor – Data Not Rational – Drifted Low | ||
| SPN 3218 FMI 2 (3682) | 190 | 3218 | 2 | Aftertreatment Intake NOx Sensor Power Supply – Data Erratic, Intermittent or Incorrect | |
| SPN 3222 FMI 5 (3446) | 3222 | 5 | Aftertreatment Intake NOx Sensor Heater – Voltage Below Normal or Shorted to Low Source | ||
| SPN 3226 FMI 10 (3545) | 2202 | 3226 | 10 | Aftertreatment Outlet NOx Sensor – Abnormal Rate of Change | |
| SPN 3226 FMI 11 (5689) | 3226 | 11 | Aftertreatment 1 Outlet NOx Sensor – Root Cause Not Known | ||
| SPN 3226 FMI 20 (3749) | 3226 | 20 | 254 | Aftertreatment Outlet NOx Sensor – Data Not Rational – Drifted High | |
| SPN 3226 FMI 21 (6463) | 3226 | 21 | Aftertreatment 1 Outlet NOx Sensor – Data Not Rational – Drifted Low | ||
| SPN 3226 FMI 2 (1694) | 2201 | 3226 | 2 | Aftertreatment 1 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 1 Outlet NOx Sensor – Abnormal Update Rate | ||
| SPN 3227 FMI 20 (4749) | 3227 | 20 | Aftertreatment Outlet Oxygen – Data Not Rational – Drifted High | ||
| SPN 3227 FMI 21 (4751) | 3227 | 21 | Aftertreatment Outlet Oxygen – Data Not Rational – Drifted Low | ||
| SPN 3228 FMI 2 (3681) | 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 Operational 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 Operational 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 20 (6879) | 3246 | 20 | Aftertreatment 1 Diesel Particulate Filter Outlet Temperature Sensor – Data Not Rational – Drifted High | ||
| SPN 3246 FMI 21 (6785) | 3246 | 21 | Aftertreatment 1 Diesel Particulate Filter Outlet Temperature Sensor – Data Not Rational – Drifted Low | ||
| 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 | 324 | 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 – Abnormal Rate of Change | ||
| 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 Operating Range – Moderately Severe Level | |
| SPN 3251 FMI 2 (1883) | 3251 | 2 | 324 | Aftertreatment Diesel Particulate Filter Differential Pressure Sensor – Data Erratic, Intermittent, or Incorrect | |
| SPN 3251 FMI 3 (1879) | 3251 | 3 | 324 | Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3251 FMI 4 (1881) | 3251 | 4 | 324 | Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| 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 3362 FMI 31 (1682) | 3362 | 31 | Aftertreatment Diesel Exhaust Fluid Dosing Unit Input Lines – Condition Exists | ||
| 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 Diesel Exhaust Fluid Tank Heater – Data Valid but Below Normal Operating Range – Moderately Severe Level | ||
| SPN 3363 FMI 3 (1683) | 3363 | 3 | Aftertreatment Diesel Exhaust Fluid Tank Heater – Voltage Above Normal or Shorted to High Source | ||
| SPN 3363 FMI 4 (1684) | 3363 | 4 | Aftertreatment Diesel Exhaust Fluid Tank Heater – Voltage Below Normal or Shorted to Low Source | ||
| SPN 3363 FMI 7 (3242) | 3363 | 7 | Aftertreatment Diesel Exhaust Fluid Tank Heater – Mechanical System Not Responding or Out of Adjustment | ||
| SPN 3364 FMI 10 (4277) | 3364 | 10 | Aftertreatment Diesel Exhaust Fluid Quality – Abnormal Rate of Change | ||
| SPN 3364 FMI 11 (1715) | 3364 | 11 | Aftertreatment Diesel Exhaust Fluid Quality – Root Cause Not Known | ||
| SPN 3364 FMI 13 (1714) | 3364 | 13 | Aftertreatment Diesel Exhaust Fluid Quality – Out of Calibration | ||
| SPN 3364 FMI 1 (3866) | 3364 | 1 | Aftertreatment Diesel Exhaust Fluid Quality – Data Valid But Below Normal Operating Range – Most Severe Level | ||
| SPN 3364 FMI 15 (4842) | 3364 | 15 | Aftertreatment Diesel Exhaust Fluid Quality – Data Valid but Above Normal Operating Range – Least Severe Level | ||
| SPN 3364 FMI 18 (3867) | 3364 | 18 | Aftertreatment Diesel Exhaust Fluid Quality – Data Valid but Below Normal Operating Range – Moderately Severe Level | ||
| SPN 3364 FMI 2 (3878) | 3364 | 2 | Aftertreatment Diesel Exhaust Fluid Pressure Sensor – Data Erratic, Intermittent, or Incorrect | ||
| SPN 3364 FMI 3 (1686) | 3364 | 3 | Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit | ||
| SPN 3364 FMI 4 (1685) | 3364 | 4 | Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit | ||
| SPN 3364 FMI 9 (3868) | 3364 | 9 | Aftertreatment Diesel Exhaust Fluid Quality – Abnormal Update Rate | ||
| SPN 3464 FMI 3 (5879) | 3464 | 3 | Electronic Throttle Control Actuator Driver Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 3464 FMI 4 (5881) | 3464 | 4 | Electronic Throttle Control Actuator Driver Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 3464 FMI 7 (5882) | 3464 | 7 | Electronic Throttle Control Actuator – Mechanical System Not Responding 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 3 (238) | 105 | 3511 | 3 | Sensor Supply 3 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3511 FMI 3 (239) | 3511 | 3 | 232 | Sensor Supply 3 Circuit – Voltage Above Normal or Shorted to High 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 3514 FMI 3 (515) | 3514 | 3 | 232 | Sensor Supply 6 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 3514 FMI 4 (516) | 3514 | 4 | 232 | Sensor Supply 6 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 3515 FMI 10 (4243) | 3515 | 10 | Aftertreatment 1 Diesel Exhaust Fluid Temperature 2 – Abnormal Rate of Change | ||
| SPN 3515 FMI 11 (4745) | 3515 | 11 | Aftertreatment 1 Diesel Exhaust Fluid Temperature 2 – Root Cause Not Known | ||
| SPN 3515 FMI 3 (4233) | 3515 | 3 | Aftertreatment Diesel Exhaust Fluid Temperature 2 Sensor Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 3515 FMI 4 (4234) | 3515 | 4 | Aftertreatment Diesel Exhaust Fluid Temperature 2 Sensor Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 3521 FMI 11 (4768) | 3521 | 11 | Aftertreatment 1 Diesel Exhaust Fluid Property – Root Cause Not Known | ||
| SPN 3521 FMI 16 (6765) | 3521 | 16 | Aftertreatment 1 Diesel Exhaust Fluid Property – Data Valid But Above Normal Operating Range – Moderately Severe Level | ||
| SPN 3521 FMI 18 (6766) | 3521 | 18 | Aftertreatment 1 Diesel Exhaust Fluid Property – Data Valid But Below Normal Operating Range – Moderately Severe Level | ||
| SPN 3521 FMI 31 (6767) | 3521 | 31 | Aftertreatment 1 Diesel Exhaust Fluid Property – Condition Exists | ||
| 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 3597 FMI 2 (1117) | 3597 | 2 | 251 | Power Supply Lost with Ignition On – Data Erratic, Intermittent, or Incorrect | |
| SPN 3610 FMI 10 (5716) | 3610 | 10 | Aftertreatment 1 Diesel Particulate Filter Outlet Pressure – Abnormal Rate of Change | ||
| SPN 3610 FMI 20 (6786) | 3610 | 20 | Aftertreatment 1 Diesel Particulate Filter Outlet Pressure Sensor – Data Not Rational – Drifted High | ||
| 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 – Mechanical System Not Responding or Out of Adjustment | ||
| SPN 3695 FMI 2 (4213) | 3695 | 2 | Aftertreatment Regeneration Inhibit Switch – Data Erratic, Intermittent, or Incorrect | ||
| SPN 3703 FMI 31 (2777) | 3703 | 31 | 390 | Particulate Trap Active Regeneration Inhibited Due to Inhibit Switch – Condition Exists | |
| SPN 3703 FMI 31 (6416) | 3703 | 31 | Particulate Trap Active Regeneration Inhibited Due to Inhibit Switch – 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 3750 FMI 31 (3396) | 3750 | 31 | Diesel Particulate Filter 1 Conditions Not Met for Active Regeneration – Condition Exists | ||
| SPN 38 FMI 13 (6343) | 38 | 13 | SAE J1939 Multiplexing Configuration Error – Out of Calibration | ||
| SPN 38 FMI 9 (6342) | 38 | 9 | SAE J1939 Multiplexing PGN Timeout Error – Abnormal Update Rate | ||
| SPN 3936 FMI 14 (4584) | 3936 | 14 | Aftertreatment Diesel Particulate Filter System – Special Instructions | ||
| SPN 3936 FMI 15 (1981) | 3936 | 15 | Aftertreatment 1 Diesel Particulate Filter System – Data Valid But Above Normal Operating Range – Least Severe Level | ||
| SPN 3936 FMI 2 (2692) | 3936 | 2 | Aftertreatment 1 Diesel Particulate Filter System – Data Erratic, Intermittent, or Incorrect | ||
| SPN 4096 FMI 31 (3547) | 4096 | 31 | 115 | Aftertreatment Diesel Exhaust Fluid Tank Empty – Condition Exists | |
| SPN 411 FMI 2 (1866) | 411 | 411 | 2 | Exhaust Gas Recirculation Differential 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 Operational 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 2 (1867) | 412 | 412 | 2 | Exhaust 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 4331 FMI 16 (6486) | 4331 | 16 | Aftertreatment 1 Diesel Exhaust Fluid Actual Dosing Quantity – Data Valid But Above Normal Operating Range – Moderately Severe Level | ||
| SPN 4331 FMI 18 (4658) | 4331 | 18 | Aftertreatment SCR Actual Dosing Reagent Quantity – Data Valid but Below Normal Operating Range – Moderately Severe Level | ||
| SPN 4334 FMI 15 (5936) | 4334 | 15 | Aftertreatment 1 Diesel Exhaust Fluid Pressure – Data Valid But Above Normal Operating Range – Least Severe Level | ||
| SPN 4334 FMI 16 (3575) | 4334 | 16 | Aftertreatment Diesel Exhaust Fluid Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level | ||
| SPN 4334 FMI 18 (3574) | 4334 | 18 | Aftertreatment Diesel Exhaust Fluid Pressure – Data Valid but Below Normal Operating Range – Moderately Severe Level | ||
| SPN 4334 FMI 2 (3596) | 4334 | 2 | Aftertreatment Diesel Exhaust Fluid Pressure – Data Erratic, Intermittent, or Incorrect | ||
| SPN 4334 FMI 3 (3571) | 4334 | 3 | Aftertreatment Diesel Exhaust Fluid Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 4334 FMI 4 (3572) | 4334 | 4 | Aftertreatment Diesel Exhaust Fluid Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 4334 FMI 7 (5935) | 4334 | 7 | Aftertreatment 1 Diesel Exhaust Fluid Pressure – Mechanical System Not Responding or Out of Adjustment | ||
| SPN 4339 FMI 7 (5868) | 4339 | 7 | Aftertreatment 1 SCR Feedback Control Status – Mechanical System Not Responding or Out of Adjustment | ||
| SPN 4340 FMI 3 (3237) | 4340 | 3 | 254 | Aftertreatment Diesel Exhaust Fluid Line Heater 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 4340 FMI 4 (3238) | 4340 | 4 | Aftertreatment Diesel Exhaust Fluid Line Heater 1 Circuit – Voltage Below Normal or Shorted to Low Source | ||
| 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 4 (3241) | 4342 | 4 | Aftertreatment Diesel Exhaust Fluid Line Heater 2 Circuit – Voltage Below Normal or Shorted to Low Source | ||
| 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 4 (3423) | 4344 | 4 | Aftertreatment Diesel Exhaust Fluid Line Heater 3 Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 4363 FMI 0 (3165) | 4363 | Aftertreatment SCR Outlet Temperature – Data Valid but Above Normal Operating Range – Most 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 20 (6876) | 4363 | 20 | Aftertreatment 1 SCR Outlet Temperature Sensor – Data Not Rational – Drifted High | ||
| 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 31 (5655) | 4364 | 31 | Aftertreatment SCR Conversion Efficiency – Condition Exists | ||
| SPN 4375 FMI 2 (6485) | 4375 | 2 | Aftertreatment 1 Diesel Exhaust Fluid Pump Drive Percentage – Data Erratic, Intermittent, or Incorrect | ||
| SPN 4375 FMI 3 (5864) | 4375 | 3 | Aftertreatment 1 Diesel Exhaust Fluid Pump Command Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 4375 FMI 4 (5865) | 4375 | 4 | Aftertreatment 1 Diesel Exhaust Fluid Pump Command Circuit – Voltage Below Normal or Shorted to Low Source | ||
| 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 4765 FMI 16 (3251) | 4765 | 16 | 326 | 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 4794 FMI 31 (3151) | 4794 | 31 | Aftertreatment SCR Catalyst System Missing – Condition Exists | ||
| SPN 4795 FMI 31 (1993) | 4795 | 31 | Aftertreatment Diesel Particulate Filter Missing – Condition Exists | ||
| SPN 4796 FMI 31 (1664) | 4796 | 31 | 380 | Aftertreatment 1 Diesel Oxidation Catalyst Missing – Condition Exists | |
| 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 51 FMI 2 (3542) | 51 | 2 | Engine Intake Throttle Actuator Position Sensor – Data Erratic, Intermittent, or Incorrect | ||
| SPN 51 FMI 3 (3539) | 51 | 3 | Engine Intake Throttle Actuator Position Sensor Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 51 FMI 4 (3541) | 51 | 4 | Engine Intake Throttle Actuator Position Sensor Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 520701 FMI 31 (4612) | 520701 | 31 | Air Handling Feedback Control – Condition Exists | ||
| SPN 520728 FMI 16 (4841) | 520728 | 16 | Cold Start Injector Metering Rail 1 Pressure – Data Valid but Above Normal Operating Range – Moderately Severe Level | ||
| SPN 520750 FMI 13 (4956) | 520750 | 13 | Engine Variable Geometry Turbo (VGT) Software – Out of Calibration | ||
| SPN 520750 FMI 31 (4957) | 520750 | 31 | Engine Variable Geometry Turbo (VGT) Software – Condition Exists | ||
| SPN 520953 FMI 3 (5866) | 520953 | 3 | Aftertreatment Diesel Exhaust Fluid Dosing Unit Relay Feedback – Voltage Above Normal or Shorted to High Source | ||
| SPN 520953 FMI 4 (5867) | 520953 | 4 | Aftertreatment Diesel Exhaust Fluid Dosing Unit Relay Feedback – Voltage Below Normal or Shorted to Low Source | ||
| SPN 521032 FMI 14 (6771) | 521032 | 14 | Aftertreatment System Assembly – Special Instructions | ||
| SPN 521 FMI 2 (4526) | 521 | 2 | Brake Pedal Position – Data Erratic, Intermittent or Incorrect | ||
| SPN 5246 FMI 0 (3712) | 105 | 5246 | Aftertreatment SCR Operator Inducement – Data Valid but Above Normal Operational Range – Most Severe Level | ||
| SPN 5246 FMI 16 (6254) | 5246 | 16 | Aftertreatment SCR Operator Inducement Severity – Data Valid but Above Normal Operating Range – Moderately 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 | 380 | Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency – Data Valid but Below Normal Operating Range – Least Severe Level | |
| SPN 5298 FMI 18 (1691) | 5298 | 18 | 380 | Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency – Data Valid but Below Normal Operating Range – Moderately Severe Level | |
| SPN 5298 FMI 31 (4282) | 5298 | 31 | Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency – Condition Exists | ||
| SPN 5319 FMI 31 (3376) | 5319 | 31 | Aftertreatment Diesel Particulate Filter Incomplete Regeneration – Condition Exists | ||
| SPN 5357 FMI 31 (4713) | 5357 | 31 | Engine Fuel Injection Quantity Error for Multiple Cylinders – Condition Exists | ||
| SPN 5394 FMI 3 (3565) | 5394 | 3 | Aftertreatment 1 Diesel Exhaust Fluid Dosing Valve 1 Circuit – Voltage Above Normal or Shorted to High 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 Dosing Valve – Mechanical System Not Responding or Out of Adjustment | ||
| SPN 5395 FMI 18 (3338) | 5395 | 18 | Engine Idle Fuel Quantity – Data Valid but Below Normal Operating Range – Moderately Severe Level | ||
| SPN 5397 FMI 31 (3375) | 5397 | 31 | 115 | Aftertreatment Diesel Particulate Filter Regeneration Too Frequent – Condition Exists | |
| 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 5569 FMI 16 (6721) | 5569 | 16 | Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | ||
| SPN 5569 FMI 16 (6735) | 5569 | 16 | Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level | ||
| SPN 5569 FMI 2 (6646) | 5569 | 2 | Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature – Data Erratic, Intermittent, or Incorrect | ||
| SPN 5569 FMI 3 (6643) | 5569 | 3 | Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature 1 Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 5569 FMI 3 (6645) | 5569 | 3 | Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature 2 Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 5569 FMI 4 (6642) | 5569 | 4 | Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature 1 Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 5569 FMI 4 (6644) | 5569 | 4 | Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature 2 Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 5571 FMI 0 (3741) | 5571 | High Pressure Common Rail Fuel Pressure Relief Valve – Data Valid but Above Normal Operational Range – Most Severe Level | |||
| SPN 5571 FMI 7 (3727) | 5571 | 7 | 254 | High-Pressure Common Rail Fuel Pressure Relief Valve – Mechanical System Not Responding or Out of Adjustment | |
| SPN 5585 FMI 18 (4691) | 5585 | 18 | Engine Injector Metering Rail 1 Cranking Pressure – Data Valid but Below Normal Operating Range – Moderately Severe Level | ||
| 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 19 (7427) | 5603 | 19 | Cruise Control Disable Command – Received Network Data in Error | ||
| 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 31 (4215) | 563 | 31 | Anti-Lock Braking (ABS) Active – Condition Exists | ||
| SPN 563 FMI 9 (3488) | 563 | 9 | Anti-Lock Braking (ABS) Controller – Abnormal Update Rate | ||
| SPN 5709 FMI 11 (6246) | 5709 | 11 | Aftertreatment 1 Outlet NOx Sensor Self-Diagnosis Trigger – Root Cause Not Known | ||
| SPN 5717 FMI 10 (5838) | 5717 | 10 | Aftertreatment 1 Outlet NOx Sensor Self-Diagnosis – Abnormal Rate of Change | ||
| SPN 5742 FMI 11 (4259) | 5742 | 11 | Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Root Cause Not Known | ||
| SPN 5742 FMI 12 (4158) | 5742 | 12 | Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Bad Intelligent Device or Component | ||
| SPN 5742 FMI 16 (4163) | 5742 | 16 | Aftertreatment Diesel Particulate Filter Temperature Sensor Module- Data Valid but Above Normal Operating Range – Moderately Severe Level | ||
| SPN 5742 FMI 3 (4161) | 5742 | 3 | Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Voltage Above Normal or Shorted to High Source | ||
| SPN 5742 FMI 4 (4162) | 5742 | 4 | Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Voltage Below Normal or Shorted to Low Source | ||
| SPN 5742 FMI 9 (4151) | 5742 | 9 | Aftertreatment Diesel Particulate Filter Temperature Sensor Module – Abnormal Update Rate | ||
| SPN 5743 FMI 12 (4159) | 5743 | 12 | Aftertreatment Selective Catalytic Reduction Temperature Sensor Module – Bad Intelligent Device or Component | ||
| SPN 5743 FMI 9 (4152) | 5743 | 9 | Aftertreatment Selective Catalytic Reduction Temperature Sensor Module – Abnormal Update Rate | ||
| SPN 5835 FMI 21 (5837) | 5835 | 21 | Aftertreatment 1 Particulate Sensor – Data Not Rational – Drifted Low | ||
| SPN 5835 FMI 3 (4143) | 5835 | 3 | Aftertreatment 1 Particulate Sensor Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 5835 FMI 4 (4144) | 5835 | 4 | Aftertreatment 1 Particulate Sensor Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 5835 FMI 9 (6688) | 5835 | 9 | Aftertreatment 1 Particulate Sensor – Abnormal Update Rate | ||
| SPN 5842 FMI 14 (6656) | 5842 | 14 | SCR Monitoring System Malfunction – Condition Exists | ||
| SPN 5862 FMI 0 (4524) | 5862 | Aftertreatment SCR Intermediate Gas Temperature – Data Valid but Above Normal Operating Range – Most Severe Level | |||
| SPN 5862 FMI 14 (6266) | 5862 | 14 | Aftertreatment SCR Intermediate Gas Temperature – Data Erratic, Intermittent or Incorrect | ||
| SPN 5862 FMI 16 (4525) | 5862 | 16 | Aftertreatment 1 SCR Intermediate Gas Temperature – Data Valid but Above Normal Operating Range – Moderately Severe Level | ||
| SPN 5862 FMI 2 (4521) | 5862 | 2 | Aftertreatment SCR Intermediate Gas Temperature Sensor – Data Erratic, Intermittent, or Incorrect | ||
| SPN 5862 FMI 3 (4518) | 5862 | 3 | Aftertreatment SCR Intermediate Gas Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 5862 FMI 4 (4519) | 5862 | 4 | Aftertreatment SCR Intermediate Gas Temperature Sensor Circuit – 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 629 FMI 12 (111) | 629 | 12 | 254 | Engine Control Module Critical Internal Failure – Bad Intelligent Device or Component | |
| SPN 629 FMI 12 (343) | 629 | 12 | 254 | Engine Control Module Warning Internal Hardware Failure – Bad Intelligent Device or Component | |
| SPN 6303 FMI 3 (4865) | 6303 | 3 | Engine Coolant Level 2 Sensor Circuit – Voltage Above Normal, or Shorted to High Source | ||
| SPN 6303 FMI 4 (4866) | 6303 | 4 | Engine Coolant Level 2 Sensor Circuit – Voltage Below Normal, or Shorted to Low Source | ||
| SPN 6304 FMI 31 (2718) | 6304 | 31 | Brake Switch and Accelerator Pedal Position Incompatible – Condition Exists | ||
| SPN 630 FMI 12 (346) | 630 | 12 | 253 | Engine Control Module Calibration Memory Software – Bad Intelligent Device or Component | |
| SPN 630 FMI 12 (3697) | 630 | 12 | 253 | Engine Control Module Calibration Memory – Bad Intelligent Device or Component | |
| SPN 633 FMI 31 (2311) | 633 | 31 | 18 | Electronic Fuel Injection Control Valve 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 Data Link – Abnormal Update Rate | |
| SPN 641 FMI 11 (2198) | 641 | 11 | 27 | VGT Actuator Driver Circuit – Root Cause Not Known | |
| SPN 641 FMI 12 (1897) | 27 | 641 | 12 | 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 14 (6432) | 641 | 14 | VGT Actuator Controller – Out of Calibration | ||
| SPN 641 FMI 15 (1976) | 641 | 15 | 27 | VGT Actuator Driver Temperature – Data Valid but Above Normal Operating 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 | VGT Actuator Driver Circuit (Motor) – Mechanical System Not Responding or Out of Adjustment | |
| SPN 641 FMI 9 (1894) | 641 | 9 | 27 | VGT Actuator Driver Circuit – Abnormal Update Rate | |
| SPN 641 FMI 9 (2636) | 641 | 9 | 27 | VGT Actuator Driver Circuit – Abnormal Update Rate | |
| SPN 647 FMI 3 (6263) | 647 | 3 | Fan Control Circuit – Voltage Above Normal or Shorted to High 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 | 1 | Injector Solenoid Driver Cylinder 1 Circuit – Current Below Normal or Open Circuit | |
| SPN 651 FMI 7 (1139) | 651 | 7 | 1 | Injector Solenoid Driver Cylinder 1 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 652 FMI 5 (331) | 652 | 5 | 2 | Injector Solenoid Driver Cylinder 2 Circuit – Current Below Normal or Open Circuit | |
| SPN 652 FMI 7 (1141) | 652 | 7 | 2 | Injector Solenoid Driver Cylinder 2 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 653 FMI 5 (324) | 653 | 5 | 3 | Injector Solenoid Driver Cylinder 3 Circuit – Current Below Normal or Open Circuit | |
| SPN 653 FMI 7 (1142) | 653 | 7 | 3 | Injector Solenoid Driver Cylinder 3 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 654 FMI 5 (332) | 654 | 5 | 4 | Injector Solenoid Driver Cylinder 4 Circuit – Current Below Normal or Open Circuit | |
| SPN 654 FMI 7 (1143) | 654 | 7 | 4 | Injector Solenoid Driver Cylinder 4 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 655 FMI 5 (323) | 655 | 5 | 5 | Injector Solenoid Driver Cylinder 5 Circuit – Current Below Normal or Open Circuit | |
| SPN 655 FMI 7 (1144) | 655 | 7 | 5 | Injector Solenoid Driver Cylinder 5 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 656 FMI 5 (325) | 656 | 5 | 6 | Injector Solenoid Driver Cylinder 6 Circuit – Current Below Normal or Open Circuit | |
| SPN 656 FMI 7 (1145) | 656 | 7 | 6 | Injector Solenoid Driver Cylinder 6 – Mechanical System Not Responding or Out of Adjustment | |
| SPN 6713 FMI 9 (5177) | 6713 | 9 | Variable Geometry Turbocharger Actuator Software – Abnormal Update Rate | ||
| SPN 6773 FMI 16 (4449) | 6773 | 16 | Aftertreatment 1 Particulate Sensor Regeneration Status – Data Valid But Above Normal Operating Range – Moderately Severe Level | ||
| SPN 6773 FMI 7 (5584) | 6773 | 7 | Aftertreatment 1 Particulate Sensor Regeneration Status – Mechanical System Not Responding or Out of Adjustment | ||
| SPN 6777 FMI 10 (5583) | 6777 | 10 | Aftertreatment 1 Particulate Sensor Detection Status – Abnormal Rate of Change | ||
| SPN 6778 FMI 16 (5579) | 6778 | 16 | Aftertreatment 1 Particulate Sensor Power Supply – Data Valid But Above Normal Operating Range – Moderately Severe Level | ||
| SPN 6778 FMI 3 (5577) | 6778 | 3 | Aftertreatment 1 Particulate Sensor Power Supply – Voltage Above Normal or Shorted to High Source | ||
| SPN 6778 FMI 4 (5578) | 6778 | 4 | Aftertreatment 1 Particulate Sensor Power Supply – Voltage Below Normal or Shorted to Low Source | ||
| SPN 677 FMI 3 (6261) | 677 | 3 | Starter Relay Driver Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 677 FMI 4 (6262) | 677 | 4 | Starter Relay Driver Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 6780 FMI 2 (6649) | 6780 | 2 | Aftertreatment 1 Diesel Particulate Filter Soot Temperature Sensor – Data Erratic, Intermittent, or Incorrect | ||
| SPN 6780 FMI 3 (6647) | 6780 | 3 | Aftertreatment 1 Diesel Particulate Filter Soot Temperature Sensor – Voltage Above Normal or Shorted to High Source | ||
| SPN 6780 FMI 4 (6648) | 6780 | 4 | Aftertreatment 1 Diesel Particulate Filter Soot Temperature Sensor – 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 6810 FMI 11 (5691) | 6810 | 11 | Hybrid System OBD Related DTC Status – Root Cause Not Known | ||
| SPN 6810 FMI 31 (5685) | 6810 | 31 | Hybrid System OBD Related DTC Status – Condition Exists | ||
| SPN 6810 FMI 9 (5684) | 6810 | 9 | Hybrid System OBD Related DTC Status – Abnormal Update Rate | ||
| 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 | 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 or Out of Adjustment | |
| SPN 729 FMI 3 (2555) | 729 | 3 | 70 | Engine Intake Air Heater 1 Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 729 FMI 4 (2556) | 729 | 4 | 70 | Engine Intake Air Heater 1 Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 729 FMI 5 (383) | 729 | 5 | 70 | Engine Intake Air Heater 1 Circuit – Current Below Normal or Open Circuit | |
| SPN 7321 FMI 3 (4153) | 7321 | 3 | Aftertreatment 1 Particulate Sensor Heater High Side Driver Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 7321 FMI 4 (5792) | 7321 | 4 | Aftertreatment 1 Particulate Sensor Heater High Side Driver Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 7323 FMI 3 (5793) | 7323 | 3 | Aftertreatment 1 Particulate Sensor Heater Low Side Driver Circuit – Voltage Above Normal or Shorted to High Source | ||
| SPN 7323 FMI 4 (4154) | 7323 | 4 | Aftertreatment 1 Particulate Sensor Heater Low Side Driver Circuit – Voltage Below Normal or Shorted to Low Source | ||
| SPN 7329 FMI 2 (5581) | 7329 | 2 | Aftertreatment 1 Particulate Sensor Heater Power Supply – Data Erratic, Intermittent, or Incorrect | ||
| SPN 7332 FMI 18 (7224) | 7332 | 18 | Aftertreatment Thermal Management Status – Data Valid But Below Normal Operating Range – Moderately Severe Level | ||
| SPN 7418 FMI 11 (6315) | 7418 | 11 | Hybrid System OBD Related DTC Status – Root Cause Not Known | ||
| SPN 7854 FMI 12 (6722) | 7854 | 12 | Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module Voltage Converter – Bad Intelligent Device or Component | ||
| SPN 7854 FMI 2 (5582) | 7854 | 2 | Aftertreatment 1 Particulate Sensor Module Battery Voltage Supply – Data Erratic, Intermittent, or Incorrect | ||
| SPN 7854 FMI 3 (6651) | 7854 | 3 | Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module – Voltage Above Normal or Shorted to High Source | ||
| SPN 7854 FMI 4 (6652) | 7854 | 4 | Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module – Voltage Below Normal or Shorted to Low Source | ||
| SPN 7854 FMI 6 (6653) | 7854 | 6 | Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module – Current Above Normal or Grounded Circuit | ||
| 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 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 91 FMI 13 (6919) | 91 | 13 | SAE J1939 Multiplexed Accelerator Pedal or Lever Sensor System – Out of Calibration | ||
| 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 8 (4289) | 91 | 8 | Accelerator Pedal or Lever Position Sensor 1 Circuit Frequency – Abnormal Frequency or Pulse Width or Period | ||
| SPN 91 FMI 9 (3326) | 91 | 9 | SAE J1939 Multiplexed Accelerator Pedal or Lever Sensor System – Abnormal Update Rate | ||
| SPN 96 FMI 13 (6341) | 96 | 13 | SAE J1939 Multiplexing Configuration Error – Out of Calibration | ||
| SPN 96 FMI 3 (2222) | 96 | 96 | 3 | Fuel Level (Main Tank) Sensor Circuit – Voltage Above Normal or Shorted to High Source | |
| SPN 96 FMI 4 (2223) | 96 | 96 | 4 | Fuel Level (Main Tank) Sensor Circuit – Voltage Below Normal or Shorted to Low Source | |
| SPN 96 FMI 9 (6339) | 96 | 9 | SAE J1939 Multiplexing PGN Timeout Error – Abnormal Update Rate | ||
| 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 (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 (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 | 97 | 16 | Water in Fuel Indicator – Data Valid But Above Normal Operating Range – Moderately Severe Level | |
| SPN 97 FMI 3 (428) | 97 | 97 | 3 | Water-in-Fuel Indicator Sensor Circuit – Voltage Above Normal or Shorted to High Source |
Stay Connected Anywhere
📱 Now Available: Diesel Repair Mobile App
Access fault codes, wiring diagrams, and repair docs right from your phone or tablet — whether you’re in the shop or on the road. The Diesel Repair mobile app makes it easy to stay connected to the info you need.
🔗 Download the app or learn more here
📍 Log in to Diesel Repair for full access — it’s free!