The Detroit Diesel DD15 Gen 5 is the latest evolution of one of the most reliable and efficient heavy-duty engines on the market. Powering Freightliner and Western Star trucks, this engine offers improved fuel economy, enhanced durability, and advanced emissions control. Whether you’re a fleet manager, diesel technician, or independent truck owner, having access to comprehensive repair information is essential to keep your truck running efficiently.
DD15 Gen 5 Overview
- Displacement: 14.8L
- Horsepower Range: 400-505 HP
- Torque: Up to 1,850 lb-ft
- Fuel System: Common Rail X-Pulse Injection
- Emissions Control: SCR (Selective Catalytic Reduction) & DPF (Diesel Particulate Filter)
- Applications: Freightliner Cascadia, Western Star 49X, and select vocational trucks
🔗 Get FREE Fault Code Information for all makes and models In Diesel Repair → Diesel Repair
Fault Codes for Detroit Diesel DD15 Gen 5
Below is a comprehensive list of fault codes you may encounter on a Detroit Diesel DD15 Gen 5, which covers model year 2024 & 2025. You can view detailed repair information, for free, on every one of these fault codes on the Diesel Repair App. Diesel Repair also includes other information such as fault code to part number, wiring diagrams, parts cross reference, remove and replace instructions, labor time guides, and everything else you need to properly troubleshoot your Detroit Diesel DD15 engine.
| Fault | SPN | FMI | Title |
| SPN 100 FMI 0 | 100 | Oil Pressure Stuck | |
| SPN 100 FMI 1 | 100 | 1 | Low Engine Oil Pressure |
| SPN 100 FMI 10 | 100 | 10 | Low Oil Pressure Derate |
| SPN 100 FMI 13 | 100 | 13 | Parameterization for OPC Is Incorrect |
| SPN 100 FMI 14 | 100 | 14 | Engine Oil Pressure Sensor Plausibility Check Error |
| SPN 100 FMI 15 | 100 | 15 | Engine Oil Pressure Rationality Error High |
| SPN 100 FMI 17 | 100 | 17 | Oil Pressure Very Low |
| SPN 100 FMI 20 | 100 | 20 | Oil Pressure too High |
| SPN 100 FMI 21 | 100 | 21 | Oil Pressure too Low |
| SPN 100 FMI 3 | 100 | 3 | Engine Oil Pressure Sensor Circuit Failed High |
| SPN 100 FMI 31 | 100 | 31 | Engine Oil Pressure Rationality Error Low |
| SPN 100 FMI 4 | 100 | 4 | Engine Oil Pressure Sensor Circuit Failed Low |
| SPN 1033 FMI 15 | 1033 | 15 | MCM Engine Run Timer Plausibility |
| SPN 1033 FMI 17 | 1033 | 17 | MCM Engine Off Timer Plausibility |
| SPN 1033 FMI 2 | 1033 | 2 | Aftertreatment Control Module Engine Hours Data Erratic, Intermittent or Incorrect |
| SPN 103 FMI 0 | 103 | Turbocharger Speed Below Threshold – Low Box | |
| SPN 103 FMI 1 | 103 | 1 | Turbocharger Speed Below Threshold – High Box |
| SPN 103 FMI 2 | 103 | 2 | Turbocharger Speed Not Plausible |
| SPN 1071 FMI 3 | 1071 | 3 | Fan Stage 2 Circuit Failed High |
| SPN 1071 FMI 4 | 1071 | 4 | Fan Stage 2 Circuit Failed Low |
| SPN 1071 FMI 5 | 1071 | 5 | Fan Stage 2 Circuit Failed Open |
| SPN 1072 FMI 3 | 1072 | 3 | Jake Brake Stage 1 Circuit Failed High |
| SPN 1072 FMI 4 | 1072 | 4 | Jake Brake Stage 1 Circuit Failed Low |
| SPN 1072 FMI 5 | 1072 | 5 | Jake Brake Stage 1 Circuit Failed Open |
| SPN 1073 FMI 3 | 1073 | 3 | Jake Brake Stage 2 Circuit Failed High |
| SPN 1073 FMI 4 | 1073 | 4 | Jake Brake Stage 2 Circuit Failed Low |
| SPN 1073 FMI 5 | 1073 | 5 | Jake Brake Stage 2 Circuit Failed Open |
| SPN 1077 FMI 14 | 1077 | 14 | Internal or External Leakage of the High Pressure Fuel System (Too High, Leak Down Test) |
| SPN 1077 FMI 3 | 1077 | 3 | Quantity Control Valve (QCV) Circuit Failed High |
| SPN 1077 FMI 4 | 1077 | 4 | Quantity Control Valve (QCV) Circuit Failed Low |
| SPN 1077 FMI 5 | 1077 | 5 | Quantity Control Valve Current Too Low |
| SPN 1077 FMI 6 | 1077 | 6 | Quantity Control Valve, Desired Current Does Not Match Actual Current |
| SPN 108 FMI 13 | 108 | 13 | Ambient Air Pressure Signal Not Available via CAN |
| SPN 108 FMI 2 | 108 | 2 | Sensor Drift Fault for Ambient Air Pressure |
| SPN 108 FMI 3 | 108 | 3 | Barometric Pressure (BP) Sensor Circuit Failed High |
| SPN 108 FMI 4 | 108 | 4 | Barometric Pressure (BP) Sensor Circuit Failed Low |
| SPN 110 FMI 0 | 110 | Coolant Temperature High | |
| SPN 110 FMI 16 | 110 | 16 | Coolant Temperature High Alarm |
| SPN 110 FMI 18 | 110 | 18 | Failed Coolant Thermostat (Coolant Heat Up Too Slow Compared to Modeled Coolant Temperature) |
| SPN 110 FMI 20 | 110 | 20 | Engine Coolant Outlet Temperature Sensor General Temperature Plausibility Error |
| SPN 110 FMI 3 | 110 | 3 | Engine Coolant Outlet Temperature Circuit Short to Voltage or Open |
| SPN 110 FMI 4 | 110 | 4 | Engine Coolant Outlet Temperature Circuit Failed Low |
| SPN 110 FMI 9 | 110 | 9 | Coolant Temperature Signal Not Available via Controller Area Network (CAN) |
| SPN 111 FMI 1 | 111 | 1 | Coolant Level Very Low |
| SPN 111 FMI 14 | 111 | 14 | Coolant Level Signal Erratic Data |
| SPN 111 FMI 18 | 111 | 18 | Coolant Level Low |
| SPN 111 FMI 3 | 111 | 3 | Coolant Level Circuit Failed High |
| SPN 111 FMI 4 | 111 | 4 | Coolant level Sensor Circuit Failed Low |
| SPN 1136 FMI 3 | 1136 | 3 | MCM Internal Injector Supply Voltage Too High |
| SPN 1136 FMI 4 | 1136 | 4 | MCM Internal Injector Supply Voltage Too Low |
| SPN 1172 FMI 14 | 1172 | 14 | Turbocharger Compressor Inlet Temperature Sensor Drift in Range |
| SPN 1172 FMI 21 | 1172 | 21 | Compressor Inlet Temperature Sensor Signal Not Plausible |
| SPN 1172 FMI 3 | 1172 | 3 | Turbocharger Compressor Inlet Temperature Sensor or Circuit Failed High |
| SPN 1172 FMI 4 | 1172 | 4 | Turbocharger Compressor Inlet Temperature Circuit Failed Low |
| SPN 1231 FMI 14 | 1231 | 14 | Powertrain-CAN Short to Battery – Bus off |
| SPN 1231 FMI 9 | 1231 | 9 | MCM CAN1 Signal Missing |
| SPN 1231 FMI 9 | 1231 | 9 | ACM Message Not Received or has Stopped Arriving |
| SPN 1243 FMI 12 | 1243 | 12 | ABS Data Not Plausible |
| SPN 1243 FMI 14 | 1243 | 14 | ABS Faults Restricts Automatic Gear Selection Functionality |
| SPN 1322 FMI 10 | 1322 | 10 | Simultaneous Asymmetry Mode Misfire on Multiple Cylinders Detected |
| SPN 1322 FMI 11 | 1322 | 11 | Asymmetry Mode Misfire on Alternating Cylinders Detected |
| SPN 1322 FMI 12 | 1322 | 12 | Simultaneous Misfire on Multiple Cylinders Detected |
| SPN 1322 FMI 9 | 1322 | 9 | Misfire on Alternating Cylinders Detected |
| SPN 1323 FMI 10 | 1323 | 10 | Cylinder #1 Misfire Rate Above 5% Detected |
| SPN 1324 FMI 10 | 1324 | 10 | Cylinder #2 Misfire Rate Above 5% Detected |
| SPN 1325 FMI 10 | 1325 | 10 | Cylinder #3 Misfire Rate Above 5% Detected |
| SPN 1326 FMI 10 | 1326 | 10 | Cylinder #4 Misfire Rate Above 5% Detected |
| SPN 1326 FMI 11 | 1326 | 11 | Cylinder #4 Asymmetry Mode Misfire Rate Above 5% Detected |
| SPN 1327 FMI 10 | 1327 | 10 | Cylinder #5 Misfire Rate Above 5% Detected |
| SPN 1327 FMI 11 | 1327 | 11 | Cylinder #5 Misfire Rate Above 5% Detected |
| SPN 1328 FMI 10 | 1328 | 10 | Cylinder #6 Misfire Rate Above 5% Detected |
| SPN 1328 FMI 11 | 1328 | 11 | Cylinder #6 Misfire Rate Above 5% Detected |
| SPN 1482 FMI 12 | 1482 | 12 | TCM Data not Plausible |
| SPN 1482 FMI 14 | 1482 | 14 | TCM Not Transmitting on J1939 or Malfunctioning |
| SPN 1483 FMI 12 | 1483 | 12 | MCM data – CAN timeout |
| SPN 1483 FMI 2 | 1483 | 2 | MCM Data not Plausible |
| SPN 157 FMI 10 | 157 | 10 | Under-Capacity in the High Pressure Circuit |
| SPN 157 FMI 15 | 157 | 15 | Rail Pressure Level For Injection Enabling Not Reached |
| SPN 157 FMI 16 | 157 | 16 | Fuel Rail Pressure Too Low |
| SPN 157 FMI 17 | 157 | 17 | Minimum Rail Pressure Not Achieved While the Engine is Cranking |
| SPN 157 FMI 18 | 157 | 18 | Fuel Rail Pressure High |
| SPN 158 FMI 2 | 158 | 2 | Ignition Switch Not Plausible |
| SPN 1590 FMI 12 | 1590 | 12 | VRDU Data – CAN Timeout |
| SPN 1611 FMI 14 | 1611 | 14 | Optimized Idle: Vehicle Motion While Cranking |
| SPN 1624 FMI 2 | 1624 | 2 | VSS Signal Pin X3/34 – Erratic Data |
| SPN 1624 FMI 3 | 1624 | 3 | VSS Signal Pin X3/34 – Short to Battery |
| SPN 1624 FMI 4 | 1624 | 4 | VSS Signal Pin X3/34 – Short to Ground |
| SPN 1624 FMI 5 | 1624 | 5 | VSS Signal Pin X3/34 – Open Circuit |
| SPN 1624 FMI 6 | 1624 | 6 | DM1 from CPC contains SPN 1624 FMI 6 |
| SPN 1636 FMI 0 | 1636 | Charge Air Cooler Low Efficiency | |
| SPN 1636 FMI 10 | 1636 | 10 | Intake Manifold Temperature – Signal Spike |
| SPN 1636 FMI 14 | 1636 | 14 | Intake Manifold Temperature Sensor Signal Not Plausible |
| SPN 1636 FMI 16 | 1636 | 16 | Charge Air Cooler Efficiency Low |
| SPN 1636 FMI 21 | 1636 | 21 | Intake Manifold Temperature Drift-High Box |
| SPN 1636 FMI 3 | 1636 | 3 | Intake Manifold Temperature Circuit Failed High |
| SPN 1636 FMI 31 | 1636 | 31 | Intake Manifold Temperature Sensor Drift in Range |
| SPN 1636 FMI 4 | 1636 | 4 | Intake Manifold Temperature Circuit Failed Low |
| SPN 1637 FMI 2 | 1637 | 2 | Coolant Out Temperature Signal Not Plausible |
| SPN 1639 FMI 2 | 1639 | 2 | Fan Speed Error |
| SPN 164 FMI 15 | 164 | 15 | Rail Pressure Deviation Greater than 200 Bar While Under Load |
| SPN 164 FMI 2 | 164 | 2 | Fuel Rail Pressure Drift High |
| SPN 164 FMI 20 | 164 | 20 | Rail Pressure Sensor Drift High |
| SPN 164 FMI 21 | 164 | 21 | Fuel Rail Pressure Sensor Drift Low |
| SPN 164 FMI 3 | 164 | 3 | Fuel Rail Pressure Sensor Circuit Failed High (Open Circuit) |
| SPN 164 FMI 4 | 164 | 4 | Fuel Rail Pressure Sensor Circuit Failed Low (Short to Ground) |
| SPN 164 FMI 5 | 164 | 5 | Fuel Rail Pressure Sensor Circuit Open or a Stuck-in-Range Sensor |
| SPN 1659 FMI 17 | 1659 | 17 | Coolant Temperature Low Pre Fail |
| SPN 1659 FMI 31 | 1659 | 31 | Thermostat Cool Down |
| SPN 1659 FMI 7 | 1659 | 7 | Thermostat Cool Down |
| SPN 1663 FMI 7 | 1663 | 7 | Optimized Idle – Safety Loop Failure |
| SPN 1669 FMI 9 | 1669 | 9 | Aftertreatment Control Module CAN 4 Signal Missing |
| SPN 168 FM 0 | 168 | Battery Voltage High | |
| SPN 168 FMI 0 | 168 | Battery Voltage High | |
| SPN 168 FMI 0 | 168 | Battery Voltage High | |
| SPN 168 FMI 1 | 168 | 1 | Battery Voltage Low |
| SPN 168 FMI 1 | 168 | 1 | Battery Voltage Low |
| SPN 168 FMI 1 | 168 | 1 | Battery Voltage Low |
| SPN 168 FMI 14 | 168 | 14 | Optimized Idle – Charging System or Battery Failure |
| SPN 168 FMI 18 | 168 | 18 | Battery Voltage Low |
| SPN 168 FMI 2 | 168 | 2 | Ignition Circuit Voltage Erratic |
| SPN 171 FMI 13 | 171 | 13 | Ambient Air Temperature Signal Not Available via the Controller Area Network |
| SPN 171 FMI 13 | 171 | 13 | Ambient Air Temperature Signal Not Available via the Controller Area Network |
| SPN 171 FMI 19 | 171 | 19 | Ambient Air Temperature Signal Error |
| SPN 171 FMI 2 | 171 | 2 | Ambient Air Temperature Sensor, General Temperature Plausibility Error |
| SPN 171 FMI 20 | 171 | 20 | Ambient Temperature Sensor Signal Not Plausible |
| SPN 171 FMI 3 | 171 | 3 | Ambient Temperature Sensor Failed High or Open |
| SPN 171 FMI 4 | 171 | 4 | Ambient Temperature Sensor Failed Low |
| SPN 174 FMI 0 | 174 | Supply Fuel Temperature Sensor Too High | |
| SPN 174 FMI 11 | 174 | 11 | Fuel Temperature Sensor, General Temperature Plausibility Error |
| SPN 174 FMI 14 | 174 | 14 | Fuel Temperature Sensor Signal Not Plausible |
| SPN 174 FMI 17 | 174 | 17 | Fuel Temperature Sensor, Rise Too Slow |
| SPN 174 FMI 3 | 174 | 3 | Supply Fuel Temperature Sensor Open Circuit |
| SPN 174 FMI 4 | 174 | 4 | Supply Fuel Temperature Sensor Short Circuit to Ground |
| SPN 175 FMI 0 | 175 | Oil Temperature High Warning | |
| SPN 175 FMI 15 | 175 | 15 | Engine Oil Temperature High Pre Warning |
| SPN 175 FMI 18 | 175 | 18 | Engine Oil Temperature Rises Too Slow or Not At All |
| SPN 175 FMI 2 | 175 | 2 | Engine Oil Temperature Sensor General Temperature Plausibility Error |
| SPN 175 FMI 20 | 175 | 20 | Engine Oil Temperature Signal Not Plausible |
| SPN 175 FMI 3 | 175 | 3 | Short to Voltage or Open on Engine Oil Temperature Sensor Circuit |
| SPN 175 FMI 4 | 175 | 4 | Engine Oil Temperature Circuit Failed Low |
| SPN 1761 FMI 18 | 1761 | 18 | Diesel Exhaust Fluid (DEF) Tank Level 1 Condition – Empty Tank |
| SPN 1761 FMI 2 | 1761 | 2 | Diesel Exhaust Fluid (DEF) Tank Level Sensor Circuit Data Erratic, Intermittent or Incorrect |
| SPN 1761 FMI 3 | 1761 | 3 | Diesel Exhaust Fluid Tank Level Sensor Circuit Failed High |
| SPN 1761 FMI 31 | 1761 | 31 | Diesel Exhaust Fluid (DEF) Tank Level 3 Condition – Tank Level Very Low |
| SPN 1761 FMI 5 | 1761 | 5 | Diesel Exhaust Fluid Tank Level Sensor Circuit Failed Low |
| SPN 188 FMI 31 | 188 | 31 | Idle Speed is higher than Targeted Idle Speed |
| SPN 190 FMI 0 | 190 | Engine Speed High | |
| SPN 190 FMI 14 | 190 | 14 | Engine Overspeed while Driving |
| SPN 190 FMI 15 | 190 | 15 | Engine Overspeed Pre-Warning |
| SPN 190 FMI 16 | 190 | 16 | Engine Overspeed while Stationary |
| SPN 190 FMI 9 | 190 | 9 | Engine Speed Signal not Available via Controller Area Network (CAN) |
| SPN 2000 FMI 9 | 2000 | 9 | Lost Communication with a CPC Module |
| SPN 2623 FMI 3 | 2623 | 3 | Accelerator Pedal Sensor Signal |
| SPN 2623 FMI 4 | 2623 | 4 | Accelerator Pedal Sensor Signal |
| SPN 2623 FMI 5 | 2623 | 5 | Accelerator Pedal Sensor Signal |
| SPN 2623 FMI 8 | 2623 | 8 | Accelerator Pedal Sensor Signal |
| SPN 2630 FMI 14 | 2630 | 14 | Charge Air Cooler Outlet Sensor Signal Not Plausible |
| SPN 2630 FMI 3 | 2630 | 3 | Charge Air Cooler Outlet Temperature Circuit Failed High |
| SPN 2630 FMI 4 | 2630 | 4 | Intake Air Temperature Circuit Failed Low |
| SPN 2631 FMI 1 | 2631 | 1 | Low Air Flow |
| SPN 2659 FMI 0 | 2659 | Exhaust Gas Recirculation Flow Target Error Diagnostic – High Flow | |
| SPN 2659 FMI 18 | 2659 | 18 | Exhaust Gas Recirculation Flow Target Error Diagnostic – Low Flow |
| SPN 2791 FMI 11 | 2791 | 11 | EGR Valve Actuator Common Fault |
| SPN 2791 FMI 12 | 2791 | 12 | EGR Valve Actuator Frozen |
| SPN 2791 FMI 13 | 2791 | 13 | Smart Remote Actuator 3 (EGR), Calibration Error |
| SPN 2791 FMI 14 | 2791 | 14 | EGR Valve Actuator, Wrong Fail Safe Calibration |
| SPN 2791 FMI 16 | 2791 | 16 | EGR Valve Actuator Learn Cycle Too Large |
| SPN 2791 FMI 18 | 2791 | 18 | EGR Valve Actuator Learn Cycle Too Small |
| SPN 2791 FMI 2 | 2791 | 2 | EGR Valve Actuator, Position Deviation Error |
| SPN 2791 FMI 31 | 2791 | 31 | EGR Valve Actuator Slow Response |
| SPN 2791 FMI 7 | 2791 | 7 | EGR Valve Actuator, Fail Safe Mode, Motor On |
| SPN 2791 FMI 9 | 2791 | 9 | Smart Remote Actuator 3 (EGR), No Communication |
| SPN 2797 FMI 3 | 2797 | 3 | Fuel Injector Needle Control Valve for Cylinder 1, 2, 3 Shorted to Battery Power |
| SPN 2797 FMI 4 | 2797 | 4 | Fuel Injector Needle Control Valve Cylinder 1, 2, 3 Shorted to Ground |
| SPN 2798 FMI 3 | 2798 | 3 | Injector Needle Control Valve Cylinder 4, 5, 6 shorted to Battery |
| SPN 2798 FMI 4 | 2798 | 4 | Injector Needle Control Valve Cylinder 4, 5, 6 Shorted to Ground |
| SPN 3031 FMI 10 | 3031 | 10 | Diesel Exhaust Fluid Tank Temperature Erratic |
| SPN 3031 FMI 3 | 3031 | 3 | Diesel Exhaust Fluid Tank Temperature Sensor Circuit Failed High |
| SPN 3031 FMI 4 | 3031 | 4 | Diesel Exhaust Fluid Tank Temperature Sensor Circuit Failed Low |
| SPN 3056 FMI 2 | 3056 | 2 | Selective Catalyst Reduction Inlet NOx Sensor – Error |
| SPN 3057 FMI 2 | 3057 | 2 | Selective Catalyst Reduction Outlet NOx Sensor – Error. |
| SPN 3058 FMI 10 | 3058 | 10 | Exhaust Gas Recirculation Slow Response |
| SPN 3058 FMI 9 | 3058 | 9 | Exhaust Gas Recirculation Slow Response – Low Box |
| SPN 3061 FMI 1 | 3061 | 1 | Cold Start Emission Reduction Strategy Fault Condition for POI Main |
| SPN 3061 FMI 2 | 3061 | 2 | Cold Start Emission Reduction Strategy Fault Condition EGR Position |
| SPN 3061 FMI 9 | 3061 | 9 | Cold Start Emission Reduction Asymmetric Injection Failure |
| SPN 3216 FMI 10 | 3216 | 10 | NOx Raw Sensor Signal Erratic |
| SPN 3216 FMI 13 | 3216 | 13 | Selective Catalyst Reduction Inlet NOx Sensor Signal Not Available |
| SPN 3216 FMI 14 | 3216 | 14 | NOx Close Loop Control Error |
| SPN 3216 FMI 14 | 3216 | 14 | NOx Raw Sensor Does Not Support Self Diagnosis |
| SPN 3216 FMI 16 | 3216 | 16 | Selective Catalyst Reduction Inlet NOx Sensor – Drift High |
| SPN 3216 FMI 2 | 3216 | 2 | NOx Sensor Response is Slow |
| SPN 3216 FMI 20 | 3216 | 20 | NOx Raw Sensor Diagnosis Oxygen Pump Capacity High |
| SPN 3216 FMI 20 | 3216 | 20 | SCR NOx Inlet Sensor Drift High |
| SPN 3216 FMI 21 | 3216 | 21 | SCR NOx Inlet Sensor Drift Low |
| SPN 3216 FMI 21 | 3216 | 21 | NOx Raw Sensor Diagnosis Oxygen Pump Capacity Low |
| SPN 3216 FMI 31 | 3216 | 31 | NOx Close Loop Control Functional Error |
| SPN 3216 FMI 8 | 3216 | 8 | NOx Raw Sensor Operation Not Stable |
| SPN 3217 FMI 2 | 3217 | 2 | Engine Out Lambda Signal Lower Than Expected in Engine No-Fueling Mode |
| SPN 3217 FMI 3 | 3217 | 3 | Selective Catalyst Reduction Inlet NOx Sensor Lambda 1 Circuit Failed High |
| SPN 3217 FMI 5 | 3217 | 5 | Selective Catalyst Reduction Inlet NOx Sensor Lambda 1 Circuit Failed Open |
| SPN 3223 FMI 7 | 3223 | 7 | NOx Inlet Sensor Failure to Activate |
| SPN 3226 FMI 10 | 3226 | 10 | NOx Out Sensor Signal Erratic |
| SPN 3226 FMI 13 | 3226 | 13 | Selective Catalyst Reduction Outlet NOx Sensor Signal Not Available |
| SPN 3226 FMI 20 | 3226 | 20 | NOx Out Sensor Diagnosis Oxygen Pump Capacity High |
| SPN 3226 FMI 21 | 3226 | 21 | NOx Out Sensor Diagnosis Oxygen Pump Capacity Low |
| SPN 3226 FMI 8 | 3226 | 8 | NOx Out Sensor Operation Not Stable |
| SPN 3227 FMI 2 | 3227 | 2 | Lambda Reading Rationality Check |
| SPN 3227 FMI 3 | 3227 | 3 | Selective Catalyst Reduction Outlet NOx Sensor Lambda 1 Circuit Failed High |
| SPN 3227 FMI 5 | 3227 | 5 | Selective Catalyst Reduction Outlet NOx Sensor Lambda 1 Circuit Failed Open |
| SPN 3236 FMI 9 | 3236 | 9 | Exhaust Mass Signal Not Available via CAN |
| SPN 3238 FMI 2 | 3238 | 2 | Selective Catalyst Reduction Outlet NOx Sensor Failure to Activate |
| SPN 3242 FMI 17 | 3242 | 17 | Diesel Oxidation Catalyst Inlet Temperature Out Of Range Low Preventing HC Dosing |
| SPN 3242 FMI 18 | 3242 | 18 | Diesel Oxidation Catalyst Inlet Temperature Out Of Range Low Preventing HC Dosing |
| SPN 3242 FMI 20 | 3242 | 20 | Diesel Oxidation Catalyst Temperature Drift – Inlet High or Outlet Low |
| SPN 3242 FMI 3 | 3242 | 3 | Diesel Oxidation Catalyst Inlet Temperature Sensor Circuit Failed High |
| SPN 3242 FMI 4 | 3242 | 4 | Diesel Oxidation Catalyst Inlet Temperature Sensor Failed Low |
| SPN 3242 FMI 8 | 3242 | 8 | Diesel Oxidation Catalyst Inlet Temperature – Signal Spike |
| SPN 3246 FMI 0 | 3246 | Diesel Particulate Filter Outlet Temperature – Very High | |
| SPN 3246 FMI 15 | 3246 | 15 | Diesel Particulate Filter Outlet Temperature – High |
| SPN 3246 FMI 2 | 3246 | 2 | DPF Outlet Temperature Not Plausible |
| SPN 3246 FMI 20 | 3246 | 20 | Diesel Particulate Filter Outlet Temperature Sensor Stuck |
| SPN 3246 FMI 21 | 3246 | 21 | Diesel Particulate Filter Outlet Temperature Sensor – Not Plausible |
| SPN 3246 FMI 3 | 3246 | 3 | Diesel Particulate Filter Outlet Temperature Sensor Circuit Failed High |
| SPN 3246 FMI 4 | 3246 | 4 | Diesel Particulate Filter Outlet Temperature Sensor Circuit Failed Low |
| SPN 3246 FMI 8 | 3246 | 8 | Diesel Particulate Filter Outlet Temperature – Signal Spike |
| SPN 3250 FMI 0 | 3250 | Diesel Oxidation Catalyst Outlet Temperature Very High | |
| SPN 3250 FMI 15 | 3250 | 15 | Diesel Oxidation Catalyst Outlet Temperature High |
| SPN 3250 FMI 2 | 3250 | 2 | DOC Outlet Temperature Not Plausible |
| SPN 3250 FMI 20 | 3250 | 20 | Diesel Oxidation Catalyst Temperature Drift – Inlet Low or Outlet High |
| SPN 3250 FMI 3 | 3250 | 3 | Diesel Oxidation Catalyst Outlet Temperature Sensor Circuit Failed High |
| SPN 3250 FMI 31 | 3250 | 31 | Abnormal Diesel Oxidation Catalyst Temperature Rise |
| SPN 3250 FMI 4 | 3250 | 4 | Diesel Oxidation Catalyst Outlet Temperature Circuit Failed Low |
| SPN 3250 FMI 7 | 3250 | 7 | Diesel Oxidation Catalyst Outlet Temperature Response Error |
| SPN 3250 FMI 8 | 3250 | 8 | Diesel Oxidation Catalyst Outlet Temperature – Signal Spike |
| SPN 3251 FMI 0 | 3251 | Diesel Particulate Filter Pressure Out of Range Very High | |
| SPN 3251 FMI 20 | 3251 | 20 | Diesel Oxidation Catalyst Inlet Pressure – Not Plausible |
| SPN 3251 FMI 21 | 3251 | 21 | Diesel Oxidation Catalyst Inlet / Outlet Pressure – Not Plausible |
| SPN 3361 FMI 1 | 3361 | 1 | Automatic Self-Check of DEF Dosing System Not Done |
| SPN 3361 FMI 3 | 3361 | 3 | Diesel Exhaust Fluid System Circuit Failed High |
| SPN 3361 FMI 31 | 3361 | 31 | Diesel Exhaust Fluid Dosing Unit Error |
| SPN 3361 FMI 4 | 3361 | 4 | Diesel Exhaust Fluid System Circuit Failed Low |
| SPN 3361 FMI 5 | 3361 | 5 | Diesel Exhaust Fluid System Circuit Failed Open |
| SPN 3363 FMI 0 | 3363 | Diesel Exhaust Fluid Tank Temperature – High | |
| SPN 3363 FMI 1 | 3363 | 1 | Diesel Exhaust Fluid Tank Temperature – Low |
| SPN 3363 FMI 3 | 3363 | 3 | Diesel Exhaust Fluid Coolant Valve Circuit Failed High |
| SPN 3363 FMI 4 | 3363 | 4 | Diesel Exhaust Fluid Valve Circuit Failed Low |
| SPN 3363 FMI 5 | 3363 | 5 | Diesel Exhaust Fluid Coolant Valve Circuit Failed Open |
| SPN 3471 FMI 13 | 3471 | 13 | Parameter Configuration for HC Dosing Monitoring Invalid |
| SPN 3471 FMI 14 | 3471 | 14 | HC Dosing Inhibited By Level 2 Monitoring |
| SPN 3471 FMI 3 | 3471 | 3 | Hydrocarbon Electronic Dosing Valve Circuit Failed High |
| SPN 3471 FMI 4 | 3471 | 4 | Hydrocarbon Doser Circuit Failed Low |
| SPN 3471 FMI 5 | 3471 | 5 | Hydrocarbon Doser Circuit Failed Open |
| SPN 3480 FMI 0 | 3480 | Fuel Compensation Pressure High | |
| SPN 3480 FMI 1 | 3480 | 1 | Doser Fuel Supply Pressure Abnormal |
| SPN 3480 FMI 14 | 3480 | 14 | Doser FLP Sensors Failed Self Test |
| SPN 3480 FMI 2 | 3480 | 2 | Hydrocarbon Doser Fuel Line Pressure Low |
| SPN 3480 FMI 21 | 3480 | 21 | Fuel Cut-off Valve Pressure Not Plausible |
| SPN 3480 FMI 3 | 3480 | 3 | Fuel Compensation Pressure Sensor Circuit Failed High |
| SPN 3480 FMI 4 | 3480 | 4 | Fuel Compensation Pressure Sensor Circuit Failed Low |
| SPN 3482 FMI 3 | 3482 | 3 | Fuel Cut-off Valve Circuit Failed High |
| SPN 3482 FMI 4 | 3482 | 4 | Fuel Cut-off Valve Circuit Failed Low |
| SPN 3482 FMI 5 | 3482 | 5 | Fuel Cut-off Valve Circuit Failed Open |
| SPN 3490 FMI 3 | 3490 | 3 | Post Run Indicator Lamp |
| SPN 3490 FMI 4 | 3490 | 4 | Post Run Indicator Lamp |
| SPN 3490 FMI 5 | 3490 | 5 | Post Run Indicator Lamp |
| SPN 3509 FMI 0 | 3509 | Coolant Level Sensor Circuit Failed High | |
| SPN 3509 FMI 1 | 3509 | 1 | Coolant Level Sensor Supply X3_01 – Circuit Failed Low |
| SPN 3509 FMI 3 | 3509 | 3 | 5V Sensor Supply Bank 1 Circuit Failed High |
| SPN 3509 FMI 3 | 3509 | 3 | The 5V Sensor Supply Bank 1 Circuit Failed High |
| SPN 3509 FMI 4 | 3509 | 4 | The 5V Sensor Supply Bank 1 Circuit Failed Low |
| SPN 3509 FMI 4 | 3509 | 4 | 5V Sensor Supply Bank 1 Circuit Failed Low |
| SPN 3509 FMI 4 | 3509 | 4 | Coolant Level Sensor Circuit Failed Low |
| SPN 3510 FMI 3 | 3510 | 3 | 5V Sensor Supply Bank 2 Circuit Failed High |
| SPN 3510 FMI 3 | 3510 | 3 | Aftertreatment Control Module 2 Sensor Supply 2 Short to Battery |
| SPN 3510 FMI 4 | 3510 | 4 | Aftertreatment Control Module 2 Sensor Supply Bank 2 Short to Ground |
| SPN 3510 FMI 4 | 3510 | 4 | 5V Sensor Supply Bank 2 Circuit Failed Low |
| SPN 3511 FMI 3 | 3511 | 3 | 3V Sensor Supply Bank 1 Circuit Failed High |
| SPN 3511 FMI 3 | 3511 | 3 | 3V Sensor Supply Bank 1 Circuit Failed High |
| SPN 3511 FMI 4 | 3511 | 4 | 3V Sensor Supply Bank 1 Circuit Failed Low |
| SPN 3511 FMI 4 | 3511 | 4 | 3V Sensor Supply Bank 1 Circuit Failed Low |
| SPN 3512 FMI 14 | 3512 | 14 | Overtemp – Pin X3_20 |
| SPN 3512 FMI 3 | 3512 | 3 | 3 V Sensor Supply Bank 2 Circuit Failed High |
| SPN 3512 FMI 3 | 3512 | 3 | Accelerator Pedal Sensor Supply |
| SPN 3512 FMI 3 | 3512 | 3 | 3V Sensor Supply Bank 2 Circuit Failed High |
| SPN 3512 FMI 4 | 3512 | 4 | 3V Sensor Supply Bank 2 Circuit Failed Low |
| SPN 3512 FMI 4 | 3512 | 4 | Accelerator Pedal Sensor Supply |
| SPN 3512 FMI 5 | 3512 | 5 | Accelerator Pedal Sensor Supply |
| SPN 3513 FMI 14 | 3513 | 14 | CPC5 Overtemp – Pin X3_7 |
| SPN 3513 FMI 3 | 3513 | 3 | Accelerator Pedal Sensor Supply |
| SPN 3514 FMI 14 | 3514 | 14 | CPC5 Overtemp – Pin X3/33 |
| SPN 3515 FMI 14 | 3515 | 14 | DEF quality sensor temperature error. |
| SPN 3515 FMI 15 | 3515 | 15 | DEF quality sensor temperature internal deviation too high |
| SPN 3515 FMI 2 | 3515 | 2 | DEF quality sensor temperature rationality check fail |
| SPN 3516 FMI 1 | 3516 | 1 | DEF Quality Sensor Percent Low |
| SPN 3516 FMI 11 | 3516 | 11 | Diesel-Exhaust-Fuel quality sensor internal error |
| SPN 3516 FMI 12 | 3516 | 12 | DEF quality sensor stuck |
| SPN 3516 FMI 13 | 3516 | 13 | DEF Quality Sensor CAN Signal Missing |
| SPN 3516 FMI 20 | 3516 | 20 | Diesel Exhaust Fluid Quality Concentration Data Drifted High |
| SPN 3516 FMI 21 | 3516 | 21 | Diesel Exhaust Fluid Quality Concentration Data Drifted Low |
| SPN 3516 FMI 3 | 3516 | 3 | Diesel-Exhaust-Fluid Quality Sensor Open Load |
| SPN 3516 FMI 4 | 3516 | 4 | DEF Quality Sensor Short Circuit |
| SPN 3517 FMI 4 | 3517 | 4 | DEF quality sensor level short circuit |
| SPN 3556 FMI 0 | 3556 | Regeneration Temperature – Out of Range High | |
| SPN 3556 FMI 1 | 3556 | 1 | Exhaust Temperature Does Not Increase Above the Modeled Thresholdwhen Regeneration is Enabled |
| SPN 3563 FMI 10 | 3563 | 10 | Barometric Pressure and Intake Manifold Pressure Rationality Error |
| SPN 3563 FMI 16 | 3563 | 16 | Intake Manifold Pressure Too High |
| SPN 3563 FMI 18 | 3563 | 18 | Inlet Manifold Pressure Low |
| SPN 3563 FMI 2 | 3563 | 2 | Sensor Drift Fault for Charge Air Pressure |
| SPN 3563 FMI 21 | 3563 | 21 | Ambient and Inlet Manifold Pressure Difference (High Box) |
| SPN 3563 FMI 3 | 3563 | 3 | Intake Manifold Pressure Circuit Failed High |
| SPN 3563 FMI 4 | 3563 | 4 | Intake Manifold Pressure Circuit Failed Low |
| SPN 3597 FMI 3 | 3597 | 3 | Proportional Valve Bank 1 Circuit Failed High |
| SPN 3597 FMI 3 | 3597 | 3 | High Side Digital Output 1 Circuit Failed High |
| SPN 3597 FMI 4 | 3597 | 4 | High Side Digital Output 1 Circuit Failed Low |
| SPN 3597 FMI 4 | 3597 | 4 | Proportional Valve Bank 1 Circuit Failed Low |
| SPN 3597 FMI 6 | 3597 | 6 | Proportional Valve Bank 1 Circuit Failed Low |
| SPN 3598 FMI 4 | 3598 | 4 | Proportional Valve Bank 2 Circuit Failed Low |
| SPN 3598 FMI 6 | 3598 | 6 | Proportional Valve Bank 2 Circuit Failed Low |
| SPN 3599 FMI 3 | 3599 | 3 | High Side Digital Output 3 Circuit Failed High |
| SPN 3599 FMI 3 | 3599 | 3 | Motor Control Module Internal Injector Power Supply Failed High |
| SPN 3599 FMI 4 | 3599 | 4 | High Side Digital Output 3 Circuit Failed Low |
| SPN 3599 FMI 4 | 3599 | 4 | Motor Control Module Internal Fuel Injector Power Supply Failed Low |
| SPN 3609 FMI 12 | 3609 | 12 | Pressure DPF Inlet Not Plausible |
| SPN 3609 FMI 2 | 3609 | 2 | Sensor Drift Fault for Second Exhaust Pressure |
| SPN 3610 FMI 12 | 3610 | 12 | Pressure DPF Outlet Not Plausible |
| SPN 3610 FMI 2 | 3610 | 2 | DPF Outlet Pressure Sensor – Not Plausible |
| SPN 3613 FMI 12 | 3613 | 12 | ICUC Data – CAN Timeout |
| SPN 3659 FMI 3 | 3659 | 3 | Injector Cylinder #1 Amplifier Control Valve Abnormal Operation (MAX) |
| SPN 3659 FMI 4 | 3659 | 4 | Injector Cylinder #1 Amplifier Control Valve Abnormal Operation (MIN) |
| SPN 3659 FMI 5 | 3659 | 5 | Injector Cylinder #1 Amplifier Control Valve Abnormal Operation (OPEN) |
| SPN 3659 FMI 6 | 3659 | 6 | Injector Cylinder #1 Amplifier Control Valve – Valve Shorted Circuit |
| SPN 3660 FMI 3 | 3660 | 3 | Injector Cylinder #2 Amplifier Control Valve Abnormal Operation (MAX) |
| SPN 3660 FMI 4 | 3660 | 4 | Injector Cylinder #2 Amplifier Control Valve Abnormal Operation (MIN) |
| SPN 3660 FMI 5 | 3660 | 5 | Injector Cylinder #2 Amplifier Control Valve Abnormal Operation OPEN |
| SPN 3660 FMI 6 | 3660 | 6 | Injector Cylinder #2 Amplifier Control Valve – Valve Shorted Circuit |
| SPN 3661 FMI 3 | 3661 | 3 | Injector Cylinder #3 Amplifier Control Valve Abnormal Operation (MAX) |
| SPN 3661 FMI 4 | 3661 | 4 | Injector Cylinder #3 Amplifier Control Valve Abnormal Operation (MIN) |
| SPN 3661 FMI 5 | 3661 | 5 | Injector Cylinder #3 Amplifier Control Valve Abnormal Operation (Open) |
| SPN 3661 FMI 6 | 3661 | 6 | Injector Cylinder #3 Amplifier Control Valve, Valve Shorted Circuit |
| SPN 3662 FMI 3 | 3662 | 3 | Injector Cylinder #4 Amplifier Control Valve Abnormal Operation (MAX) |
| SPN 3662 FMI 4 | 3662 | 4 | Injector Cylinder #4 Amplifier Control Valve Abnormal Operation (MIN) |
| SPN 3662 FMI 5 | 3662 | 5 | Injector Cylinder #4 Amplifier Control Valve Abnormal Operation (OPEN) |
| SPN 3662 FMI 6 | 3662 | 6 | Injector Cylinder #4 Amplifier Control Valve – Valve Shorted Circuit |
| SPN 3663 FMI 3 | 3663 | 3 | Injector Cylinder #5 Amplifier Control Valve Abnormal Operation (MAX) |
| SPN 3663 FMI 4 | 3663 | 4 | Injector Cylinder #5 Amplifier Control Valve Abnormal Operation (MIN) |
| SPN 3663 FMI 5 | 3663 | 5 | Injector Cylinder #5 Amplifier Control Valve Abnormal Operation (OPEN) |
| SPN 3663 FMI 6 | 3663 | 6 | Injector Cylinder #5 Spill Control Valve – Valve Shorted Circuit |
| SPN 3664 FMI 3 | 3664 | 3 | Injector Cylinder #6 Amplifier Control Valve Abnormal Operation (MAX) |
| SPN 3664 FMI 4 | 3664 | 4 | Injector Cylinder #6 Amplifier Control Valve Abnormal Operation (MIN) |
| SPN 3664 FMI 5 | 3664 | 5 | Injector Cylinder #6 Amplifier Control Valve Abnormal Operation (Open) |
| SPN 3664 FMI 6 | 3664 | 6 | Injector Cylinder #6 Amplifier Control Valve – Valve Shorted Circuit |
| SPN 3711 FMI 31 | 3711 | 31 | Parked Regen Failed – DOC Temp In Low Preventing Dosing |
| SPN 3713 FMI 31 | 3713 | 31 | High Idle Regeneration Aborted – Low Regeneration Temperature |
| SPN 3716 FMI 31 | 3716 | 31 | Coolant Temperature Fails to Reach 60°C (140°F) During High Idle Regeneration Initiation |
| SPN 3719 FMI 0 | 3719 | Soot Level Very High | |
| SPN 3719 FMI 15 | 3719 | 15 | Diesel Particulate Filter Zone 3 Condition |
| SPN 3719 FMI 16 | 3719 | 16 | Soot Level High |
| SPN 3719 FMI 31 | 3719 | 31 | Dash Lights Illuminate During Normal Service |
| SPN 3720 FMI 15 | 3720 | 15 | Diesel Particulate Filter Has Reached the End of Its Service Life |
| SPN 3936 FMI 18 | 3936 | 18 | Diesel Particulate Filter (DPF) Pressure – Out of Range Low |
| SPN 4077 FMI 0 | 4077 | High Doser Fuel Line Pressure | |
| SPN 4077 FMI 14 | 4077 | 14 | Doser Fuel Line Pressure Failed Self-Test |
| SPN 4077 FMI 3 | 4077 | 3 | Doser Fuel Line Pressure Sensor Circuit Failed High |
| SPN 4077 FMI 4 | 4077 | 4 | Doser Fuel Line Pressure Sensor Circuit Failed Low |
| SPN 411 FMI 13 | 411 | 13 | EGR Delta Pressure Sensor Out Of Calibration |
| SPN 411 FMI 2 | 411 | 2 | Exhaust Gas Recirculation Delta P Sensor Out Of Calibration |
| SPN 411 FMI 3 | 411 | 3 | EGR Delta Pressure Sensor Circuit Failed High |
| SPN 411 FMI 4 | 411 | 4 | EGR Delta Pressure Sensor Circuit Failed Low |
| SPN 4193 FMI 14 | 4193 | 14 | Engine Coolant Inlet Temperature Circuit Failed High |
| SPN 4193 FMI 20 | 4193 | 20 | Coolant Inlet Temperature Signal Not Plausible |
| SPN 4193 FMI 3 | 4193 | 3 | Engine Coolant Inlet Temperature Circuit Failed High |
| SPN 4193 FMI 4 | 4193 | 4 | Engine Coolant Inlet Temperature Circuit Failed Low |
| SPN 4206 FMI 2 | 4206 | 2 | J1939 TSC1 Message Counter Failure |
| SPN 4207 FMI 2 | 4207 | 2 | J1939 TSC1 Checksum Failure |
| SPN 4257 FMI 3 | 4257 | 3 | Injector Amplifier Control Valve Cylinder 1, 2, 3 Shorted to Battery |
| SPN 4257 FMI 4 | 4257 | 4 | Injector Amplifier Control Valve Cylinder 1, 2, 3 Shorted to Ground |
| SPN 4258 FMI 3 | 4258 | 3 | Injector Amplifier Control Valve Cylinder 4, 5, 6 Shorted to Battery |
| SPN 4258 FMI 4 | 4258 | 4 | Injector Amplifier Control Valve Cylinder 4, 5, 6 Shorted to Ground |
| SPN 4331 FMI 15 | 4331 | 15 | DEF Dosing Quantity Low |
| SPN 4332 FMI 31 | 4332 | 31 | DOC Inlet Temperature Out of Range Low Preventing Dosing |
| SPN 4334 FMI 3 | 4334 | 3 | Diesel Exhaust Fluid Pressure Sensor Circuit Failed High |
| SPN 4334 FMI 4 | 4334 | 4 | Diesel Exhaust Fluid Pressure Sensor Circuit Failed Low |
| SPN 4353 FMI 3 | 4353 | 3 | Diesel Exhaust Fluid (DEF) Doser Valve Diffuser Heater Circuit Failed High |
| SPN 4353 FMI 4 | 4353 | 4 | Diffuser Heater Circuit Failed Low |
| SPN 4353 FMI 5 | 4353 | 5 | Diffuser Heater Open Circuit |
| SPN 4354 FMI 3 | 4354 | 3 | Line Heater #1 Circuit Failed High |
| SPN 4354 FMI 4 | 4354 | 4 | Line Heater #1 Circuit Failed Low |
| SPN 4354 FMI 5 | 4354 | 5 | Line Heater 1 Open Circuit |
| SPN 4355 FMI 3 | 4355 | 3 | Line Heater #2 Circuit Failed High |
| SPN 4355 FMI 4 | 4355 | 4 | Line Heater #2 Circuit Failed Low |
| SPN 4355 FMI 5 | 4355 | 5 | Line Heater 2 Open Circuit |
| SPN 4356 FMI 3 | 4356 | 3 | Line Heater #3 Circuit Failed High |
| SPN 4356 FMI 4 | 4356 | 4 | Line Heater #3 Circuit Failed Low |
| SPN 4356 FMI 5 | 4356 | 5 | Line Heater 3 Open Circuit |
| SPN 4357 FMI 3 | 4357 | 3 | Line Heater #4 Circuit Failed High |
| SPN 4357 FMI 4 | 4357 | 4 | Line Heater #4 Circuit Failed Low |
| SPN 4357 FMI 5 | 4357 | 5 | Line Heater 4 Open Circuit |
| SPN 4360 FMI 15 | 4360 | 15 | Selective Catalyst Reduction Inlet Temperature High |
| SPN 4360 FMI 20 | 4360 | 20 | Selective Catalyst Reduction Inlet Temperature Sensor Drift High in Range |
| SPN 4360 FMI 31 | 4360 | 31 | Selective Catalyst Reduction Inlet Temperature Not Warming Up |
| SPN 4363 FMI 0 | 4363 | SCR Outlet Temperature High | |
| SPN 4363 FMI 10 | 4363 | 10 | SCR Outlet Temperature Sensor – Rationality Error |
| SPN 4363 FMI 2 | 4363 | 2 | Selective Catalyst Reduction Outlet Temperature – Not Plausible |
| SPN 4363 FMI 20 | 4363 | 20 | SCR Temperature Drift – Inlet Low/Outlet High |
| SPN 4363 FMI 3 | 4363 | 3 | Selective Catalyst Reduction Outlet Temperature Sensor Circuit Failed High |
| SPN 4363 FMI 4 | 4363 | 4 | Selective Catalyst Reduction Outlet Temperature Sensor Circuit Failed Low |
| SPN 4363 FMI 8 | 4363 | 8 | SCR Outlet Temperature Signal Spike |
| SPN 4364 FMI 1 | 4364 | 1 | SCR NOx Conversion Efficiency Very Low |
| SPN 4364 FMI 17 | 4364 | 17 | SCR NOx Conversion Efficiency |
| SPN 4364 FMI 31 | 4364 | 31 | SCR NOx Efficiency Low |
| SPN 4374 FMI 0 | 4374 | Under Pressurized Diesel Exhaust Fluid System | |
| SPN 4374 FMI 1 | 4374 | 1 | Over Pressurized DEF System |
| SPN 4374 FMI 11 | 4374 | 11 | DEF PNV SRH Loop Error (Pump Speed Low) |
| SPN 4374 FMI 14 | 4374 | 14 | DEF PNV SRH Loop Error (Pump Speed High) |
| SPN 4374 FMI 19 | 4374 | 19 | Diesel Exhaust Fluid System is Not Being Controlled as Expected |
| SPN 4374 FMI 3 | 4374 | 3 | Diesel Exhaust Fluid (DEF) Pump Speed Signal Above Measurement Range |
| SPN 4374 FMI 4 | 4374 | 4 | Aftertreatment Control Module (ACM) Detects that the DEF PumpSpeed Signal is below a Calibrated Range |
| SPN 4374 FMI 9 | 4374 | 9 | DEF PSV Loop Error |
| SPN 4375 FMI 3 | 4375 | 3 | Diesel Exhaust Fluid Pump Circuit Failed High |
| SPN 4375 FMI 4 | 4375 | 4 | Diesel Exhaust Fluid Pump Circuit Failed Low |
| SPN 4375 FMI 5 | 4375 | 5 | Diesel Exhaust Fluid Pump Circuit Failed Open |
| SPN 4752 FMI 17 | 4752 | 17 | Exhaust Gas Recirculation Cooler Performance Monitor |
| SPN 4814 FMI 3 | 4814 | 3 | Water Pump Circuit Failed High |
| SPN 4814 FMI 4 | 4814 | 4 | Water Pump Circuit Failed Low |
| SPN 4814 FMI 5 | 4814 | 5 | Water Pump Circuit Failed Open |
| SPN 5018 FMI 18 | 5018 | 18 | Diesel Oxidation Catalyst Efficiency Fault |
| SPN 5125 FMI 14 | 5125 | 14 | CPC5 Overtemp – Pin X3_35 |
| SPN 5125 FMI 3 | 5125 | 3 | Ambient Temperature Sensor Failed High or Open |
| SPN 5125 FMI 4 | 5125 | 4 | Ambient Temperature Sensor Failed High or Open |
| SPN 5128 FMI 3 | 5128 | 3 | Accelerator Pedal Sensor Signal Return |
| SPN 5128 FMI 4 | 5128 | 4 | Accelerator Pedal Sensor Signal Return |
| SPN 5128 FMI 5 | 5128 | 5 | Accelerator Pedal Sensor Signal Return |
| SPN 5129 FMI 14 | 5129 | 14 | CPC5 Overtemp – Pin X3_43 |
| SPN 5129 FMI 3 | 5129 | 3 | Accelerator Pedal Sensor Signal Return |
| SPN 5129 FMI 4 | 5129 | 4 | Accelerator Pedal Sensor Signal Return |
| SPN 5129 FMI 5 | 5129 | 5 | Accelerator Pedal Sensor Signal Return |
| SPN 513 FMI 9 | 513 | 9 | Actual Torque Signal Not Available via CAN |
| SPN 516097 FMI 14 | 516097 | 14 | Calibrated Emission Standard not Plausible |
| SPN 520193 FMI 14 | 520193 | 14 | DT12 TCM CAN Signal Faulty |
| SPN 520194 FMI 14 | 520194 | 14 | MCM CAN Signal Faulty |
| SPN 520211 FMI 1 | 520211 | 1 | Data Request Not Possible |
| SPN 520222 FMI 12 | 520222 | 12 | ACM Data not Plausible |
| SPN 520230 FMI 12 | 520230 | 12 | IPPC Data – CAN Timeout |
| SPN 520232 FMI 9 | 520232 | 9 | NOx Mass Signal Not Available via Controller Area Network |
| SPN 520241 FMI 14 | 520241 | 14 | ADC Check |
| SPN 520242 FMI 11 | 520242 | 11 | ACM Functional Safety Disabled Through Reprogramming |
| SPN 520242 FMI 31 | 520242 | 31 | Black Channel Communication Interrupted |
| SPN 520249 FMI 0 | 520249 | ATS temperature too high: HC dosing disabled | |
| SPN 520253 FMI 14 | 520253 | 14 | Software Reset Detected Due to an Error in Engine Speed Plausibility |
| SPN 520253 FMI 31 | 520253 | 31 | Software Reset Due to Internal Monitoring |
| SPN 520261 FMI 31 | 520261 | 31 | Speed Limitation Fault |
| SPN 520280 FMI 7 | 520280 | 7 | Mismatch in Jake Brake Request Controller Area Network Matrix Between Motor Control Module and Common PowertrainController |
| SPN 520281 FMI 7 | 520281 | 7 | Mismatch in Controller Area Network matrix between MCM and CPC. |
| SPN 520282 FMI 7 | 520282 | 7 | Mismatch in Jake Brake Solenoid Request Controller Area Network Matrix between MCM and CPC |
| SPN 520286 FMI 31 | 520286 | 31 | Software Reset Detected, Case A |
| SPN 520287 FMI 13 | 520287 | 13 | MCM Software Reset |
| SPN 520287 FMI 14 | 520287 | 14 | MCM Missing VIN |
| SPN 520287 FMI 7 | 520287 | 7 | MCM Hardware Reset |
| SPN 520289 FMI 14 | 520289 | 14 | Engine Brake Malfunction Cylinder 1 |
| SPN 520290 FMI 14 | 520290 | 14 | Engine Brake Malfunction Cylinder 2 |
| SPN 520291 FMI 14 | 520291 | 14 | Engine Brake Malfunction Cylinder 3 |
| SPN 520296 FMI 11 | 520296 | 11 | Smart Remote Actuator 3 (EGR), Learn Command Pending |
| SPN 520296 FMI 3 | 520296 | 3 | Exhaust Gas Recirculation Valve Actuator, Low Supply Voltage |
| SPN 520296 FMI 31 | 520296 | 31 | Exhaust Gas Recirculation Valve Actuator, Learn Cycle Incomplete |
| SPN 520321 FMI 31 | 520321 | 31 | Internal MCM Error |
| SPN 520322 FMI 31 | 520322 | 31 | No Match of Camshaft and Crankshaft Signals – Engine Cold |
| SPN 520323 FMI 3 | 520323 | 3 | High Side Digital Output Supply Voltage Circuit Failed High |
| SPN 520323 FMI 4 | 520323 | 4 | High Side Digital Output Supply Voltage Circuit Failed Low |
| SPN 520328 FMI 7 | 520328 | 7 | Diesel Exhaust Fluid System Has Been Over-pressurized |
| SPN 520329 FMI 31 | 520329 | 31 | DEF Flow Quantity Below Normal |
| SPN 520342 FMI 17 | 520342 | 17 | DEF System Rationality DEF Pump Speed High |
| SPN 520348 FMI 14 | 520348 | 14 | Soot Sensor Tube Clogged / Defect |
| SPN 520349 FMI 14 | 520349 | 14 | DPF Filtration Efficiency Low |
| SPN 520352 FMI 3 | 520352 | 3 | Supply Voltage Difference Between ACM and Soot Sensor |
| SPN 520353 FMI 17 | 520353 | 17 | Soot Sensor Temperature Rationality Failure – Cold Start |
| SPN 520355 FMI 14 | 520355 | 14 | NOx Out Sensor Does Not Support Self Diagnosis |
| SPN 520355 FMI 20 | 520355 | 20 | NOx Outlet Sensor Diagnosis Oxygen Pump Capacity High |
| SPN 520355 FMI 21 | 520355 | 21 | NOx Outlet Sensor Diagnosis Oxygen Pump Capacity Low |
| SPN 520357 FMI 15 | 520357 | 15 | Soot Sensor Printed Circuit Board Temperature High |
| SPN 520357 FMI 2 | 520357 | 2 | Soot Sensor Printed Circuit Board Temperature Rationality Fault |
| SPN 520358 FMI 3 | 520358 | 3 | Soot Sensor Printed Circuit Board Temperature 2 Signal Range High |
| SPN 520358 FMI 4 | 520358 | 4 | Soot Sensor Printed Circuit Board Temperature 2 Signal Range Low |
| SPN 520359 FMI 12 | 520359 | 12 | Soot Sensor Heater Printed Circuit Board Component Failure |
| SPN 520359 FMI 3 | 520359 | 3 | Soot Sensor Heater Short Circuit to Battery |
| SPN 520359 FMI 4 | 520359 | 4 | Lower than expected heater circuit voltage |
| SPN 520359 FMI 5 | 520359 | 5 | Soot Sensor Heater Open Load |
| SPN 520360 FMI 15 | 520360 | 15 | Soot Sensor Inter-Digital Electrode Positive Signal Range High Diagnostic |
| SPN 520360 FMI 3 | 520360 | 3 | Soot Sensor Inter-Digital Electrode Positive Short Circuit to Battery Diagnostic |
| SPN 520360 FMI 4 | 520360 | 4 | Soot Sensor Inter-Digital Electrode Positive Short Circuit to Ground Diagnostic |
| SPN 520361 FMI 16 | 520361 | 16 | Soot Sensor Temperature High |
| SPN 520361 FMI 18 | 520361 | 18 | Soot Sensor Temperature Low |
| SPN 520361 FMI 2 | 520361 | 2 | Soot Sensor Temperature Rationality Signal Range Low |
| SPN 520362 FMI 3 | 520362 | 3 | Soot Sensor Supply Line Voltage Above Normal, or Shorted To High Source |
| SPN 520362 FMI 4 | 520362 | 4 | Soot Sensor Supply Line Signal Range Low |
| SPN 520363 FMI 3 | 520363 | 3 | Selective Catalyst Reduction Inlet NOx Sensor Heater Circuit Failed High |
| SPN 520363 FMI 5 | 520363 | 5 | Selective Catalyst Reduction Inlet NOx Sensor Heater Circuit Failed Open |
| SPN 520364 FMI 3 | 520364 | 3 | Selective Catalyst Reduction Inlet NOx Sensor Control Circuit Failed High |
| SPN 520364 FMI 5 | 520364 | 5 | Selective Catalyst Reduction Inlet NOx Sensor Control Circuit Failed Open |
| SPN 520365 FMI 3 | 520365 | 3 | Selective Catalyst Reduction Outlet NOx Sensor Heater Circuit Failed High |
| SPN 520365 FMI 5 | 520365 | 5 | Selective Catalyst Reduction Outlet NOx Sensor Heater Circuit Failed Open |
| SPN 520366 FMI 3 | 520366 | 3 | Selective Catalyst Reduction Outlet NOx Sensor Control Circuit Failed High |
| SPN 520366 FMI 5 | 520366 | 5 | Selective Catalyst Reduction Outlet NOx Sensor Control Circuit Failed Open |
| SPN 520367 FMI 3 | 520367 | 3 | Selective Catalyst Reduction Inlet NOx Sensor Lambda 2 Circuit Failed High |
| SPN 520367 FMI 5 | 520367 | 5 | Selective Catalyst Reduction Inlet NOx Sensor Lambda 2 Circuit Failed Open |
| SPN 520368 FMI 14 | 520368 | 14 | Selective Catalyst Reduction Outlet NOx Sensor Lambda 2 Circuit Failed Open |
| SPN 520368 FMI 31 | 520368 | 31 | Selective Catalyst Reduction Outlet NOx Sensor Lambda 2 Circuit Failed High |
| SPN 520371 FMI 16 | 520371 | 16 | Selective Catalyst Reduction Closed Loop Control at Maximum Limit (Multiples Sources) |
| SPN 520372 FMI 14 | 520372 | 14 | Selective Catalyst Reduction Closed Loop Control at Maximum Limit (Timeout) |
| SPN 520372 FMI 16 | 520372 | 16 | Selective Catalyst Reduction Closed Loop Control at Maximum Limit |
| SPN 520378 FMI 0 | 520378 | Aftertreatment Temperature Not Plausible | |
| SPN 520381 FMI 2 | 520381 | 2 | DOC Inlet Temperature Not Plausible |
| SPN 520383 FMI 10 | 520383 | 10 | DEF Tank Temperature – Warm Up |
| SPN 520383 FMI 2 | 520383 | 2 | DEF Tank Temperature – Cool Down |
| SPN 520386 FMI 12 | 520386 | 12 | DPF Delta Pressure Sensor Signal Not Valid |
| SPN 520386 FMI 13 | 520386 | 13 | DPF Delta Pressure Sensor SENT Data Checksum Error 1 |
| SPN 520386 FMI 14 | 520386 | 14 | DPF Delta Pressure Sensor SENT Data Error |
| SPN 520386 FMI 19 | 520386 | 19 | DPF Delta Pressure Sensor DPF Out Signal Not Valid |
| SPN 520386 FMI 9 | 520386 | 9 | DPF Delta Pressure Sensor SENT Data Timeout |
| SPN 520387 FMI 19 | 520387 | 19 | DPF Delta Pressure Sensor Delta P Signal Not Valid |
| SPN 520388 FMI 13 | 520388 | 13 | DPF Delta Pressure Sensor SENT Data Checksum Error 2 |
| SPN 520389 FMI 11 | 520389 | 11 | Aftertreatment 1 ECU Internal Controller Root Cause Not Known |
| SPN 520389 FMI 14 | 520389 | 14 | Aftertreatment 1 ECU Internal Controller Special Instructions |
| SPN 520389 FMI 31 | 520389 | 31 | Aftertreatment 1 ECU Internal Controller Condition Exists |
| SPN 520390 FMI 0 | 520390 | ECU Temperature From Microcontroller ‘Die Temperature Sensor’ – Too High | |
| SPN 520390 FMI 11 | 520390 | 11 | ADC check |
| SPN 520393 FMI 13 | 520393 | 13 | Communication error with ATIC_235 |
| SPN 520394 FMI 13 | 520394 | 13 | Communication error with LM95071 |
| SPN 520395 FMI 13 | 520395 | 13 | Communication error with ATIC_153 |
| SPN 520395 FMI 9 | 520395 | 9 | Communication Error With First NCV7520 |
| SPN 520 FMI 18 | 520 | 18 | Reduced Engine Brake Power |
| SPN 521004 FMI 14 | 521004 | 14 | Automatic Gear Selection – Incompatible or Missing Dataset |
| SPN 521005 FMI 14 | 521005 | 14 | PTP Error: Calibration Data Inconsistent |
| SPN 521006 FMI 14 | 521006 | 14 | Shift Stalk Lever Position – Not Plausible |
| SPN 521008 FMI 14 | 521008 | 14 | Engine Brake Lever – Incorrect Parameters |
| SPN 521012 FMI 1 | 521012 | 1 | Intake Deviation Low |
| SPN 521013 FMI 31 | 521013 | 31 | Symmetric Injection Mode Expected |
| SPN 521014 FMI 14 | 521014 | 14 | Asymmetric Injection Mode Expected, Cold Condition |
| SPN 521014 FMI 31 | 521014 | 31 | Asymmetric Injection Mode Expected |
| SPN 521027 FMI 9 | 521027 | 9 | EGR Valve Actuator No Longer Communicating On MCM CAN3 |
| SPN 521030 FMI 9 | 521030 | 9 | Smart Remote Actuator 3 (EGR), No Communication |
| SPN 521031 FMI 16 | 521031 | 16 | Fuel Rail Pressure Too Low |
| SPN 521031 FMI 18 | 521031 | 18 | Fuel Rail Pressure High |
| SPN 521038 FMI 31 | 521038 | 31 | Water Pump Doesn’t Slow Down |
| SPN 521046 FMI 31 | 521046 | 31 | MU_SCM_E2P_DATA_INVALID |
| SPN 521049 FMI 31 | 521049 | 31 | DEF Inducement DEF Lamp Active |
| SPN 521050 FMI 14 | 521050 | 14 | PTConf Error: No Response from MCM for Requests |
| SPN 521050 FMI 31 | 521050 | 31 | DEF Inducement SEL Lamp Active |
| SPN 521052 FMI 31 | 521052 | 31 | DEF Inducement CEL Lamp Active |
| SPN 521054 FMI 14 | 521054 | 14 | PTConf Error: Data of MCM is Inconsistent |
| SPN 521058 FMI 14 | 521058 | 14 | PTConf Error: CPC5 Calibration is Inconsistent |
| SPN 521059 FMI 14 | 521059 | 14 | PTConf Error – CPC5 and GVC Calibration is Inconsistent |
| SPN 521060 FMI 14 | 521060 | 14 | ITPM Error: Vehicle Calibration Inconsistent |
| SPN 521061 FMI 14 | 521061 | 14 | ITPM Error Drivetrain Speed Signals Inconsistent |
| SPN 521063 FMI 14 | 521063 | 14 | ITPM Error: Observer Signals Faulty |
| SPN 521075 FMI 3 | 521075 | 3 | Injector Push Error for Post or Pilot Injections on Cylinder #1 |
| SPN 521075 FMI 4 | 521075 | 4 | Injector Push Error for Post or Pilot Injections on Cylinder #1 |
| SPN 521076 FMI 3 | 521076 | 3 | Injector Push Error for Post or Pilot Injections on Cylinder #2 |
| SPN 521076 FMI 4 | 521076 | 4 | Injector Push Error for Post or Pilot Injections on Cylinder #2 |
| SPN 521077 FMI 3 | 521077 | 3 | Injector Push Error for Post or Pilot Injections on Cylinder #3 |
| SPN 521077 FMI 4 | 521077 | 4 | Injector Push Error for Post or Pilot Injections on Cylinder #3 |
| SPN 521078 FMI 3 | 521078 | 3 | Injector Push Error for Post or Pilot Injections on Cylinder #4 |
| SPN 521078 FMI 4 | 521078 | 4 | Injector Push Error for Post or Pilot Injections on Cylinder #4 |
| SPN 521079 FMI 3 | 521079 | 3 | Injector Push Error for Post or Pilot Injections on Cylinder #5 |
| SPN 521079 FMI 4 | 521079 | 4 | Injector Push Error for Post or Pilot Injections on Cylinder #5 |
| SPN 521080 FMI 3 | 521080 | 3 | Injector Push Error for Post or Pilot Injections on Cylinder #6 |
| SPN 521080 FMI 4 | 521080 | 4 | Injector Push Error for Post or Pilot Injections on Cylinder #6 |
| SPN 521099 FMI 31 | 521099 | 31 | Exhaust Gas Smart Remote Actuator 3 (EGR) Position Deviation Cold Condition |
| SPN 521133 FMI 13 | 521133 | 13 | ACM Reported Ash Mileage is Lower than the MCM Stored Value |
| SPN 521135 FMI 14 | 521135 | 14 | PWM Output High Detected by Level 2 |
| SPN 521135 FMI 31 | 521135 | 31 | Software Reset, PWM Powerstage Defect |
| SPN 521136 FMI 3 | 521136 | 3 | Oil Pressure Control Circuit Failed High |
| SPN 521136 FMI 4 | 521136 | 4 | Oil Pressure Control Circuit Failed Low |
| SPN 521136 FMI 5 | 521136 | 5 | Oil Pressure Control Circuit Failed Open |
| SPN 521140 FMI 3 | 521140 | 3 | Exhaust Manifold Pressure Sensor Bank 1 Circuit Failed High |
| SPN 521140 FMI 4 | 521140 | 4 | Exhaust Manifold Pressure Sensor Bank 1 Circuit Failed Low |
| SPN 521141 FMI 3 | 521141 | 3 | Exhaust Manifold Pressure Sensor Bank 2 Circuit Failed High |
| SPN 521141 FMI 4 | 521141 | 4 | Exhaust Manifold Pressure Bank 2 Sensor Circuit Failed Low |
| SPN 521153 FMI 13 | 521153 | 13 | Wrong Safety Calibration Inside ECU for Lev2 / Lev3 Monitoring |
| SPN 521154 FMI 3 | 521154 | 3 | Cylinder 1 Injected Fuel Quantity Too High |
| SPN 521154 FMI 4 | 521154 | 4 | Cylinder 1 Injected Fuel Quantity Too Low |
| SPN 521155 FMI 3 | 521155 | 3 | Cylinder 2 Injected Fuel Quantity Too High |
| SPN 521155 FMI 4 | 521155 | 4 | Cylinder 2 Injected Fuel Quantity Too Low |
| SPN 521156 FMI 3 | 521156 | 3 | Cylinder 3 Injected Fuel Quantity Too High |
| SPN 521156 FMI 4 | 521156 | 4 | Cylinder 3 Injected Fuel Quantity Too Low |
| SPN 521157 FMI 3 | 521157 | 3 | Cylinder 4 Injected Fuel Quantity Too High |
| SPN 521157 FMI 4 | 521157 | 4 | Cylinder 4 Injected Fuel Quantity Too Low |
| SPN 521158 FMI 3 | 521158 | 3 | Cylinder 5 Injected Fuel Quantity Too High |
| SPN 521158 FMI 4 | 521158 | 4 | Cylinder 5 Injected Fuel Quantity Too Low |
| SPN 521159 FMI 3 | 521159 | 3 | Cylinder 6 Injected Fuel Quantity Too High |
| SPN 521159 FMI 4 | 521159 | 4 | Cylinder 6 Injected Fuel Quantity Too Low |
| SPN 521162 FMI 0 | 521162 | Smart Remote Actuator 4 (EGF), Temperature Alert | |
| SPN 521163 FMI 9 | 521163 | 9 | Lost communication with SRA4 |
| SPN 521164 FMI 9 | 521164 | 9 | Smart Remote Actuator 4, Communication Error |
| SPN 521166 FMI 11 | 521166 | 11 | Software Reset, HIN-block Defect |
| SPN 521170 FMI 11 | 521170 | 11 | Smart Remote Actuator 4 (EGF), Learn Command Pending |
| SPN 521170 FMI 12 | 521170 | 12 | Smart Remote Actuator 4 (EGF), Valve Frozen |
| SPN 521170 FMI 13 | 521170 | 13 | Smart Remote Actuator 4 (EGF), Calibration Error |
| SPN 521170 FMI 16 | 521170 | 16 | Smart Remote Actuator 4 (EGF), Learn Span too High |
| SPN 521170 FMI 18 | 521170 | 18 | Smart Remote Actuator 4 (EGF), Learn Span too Small |
| SPN 521170 FMI 2 | 521170 | 2 | Smart Remote Actuator 4 (EGF), Position Deviation Error |
| SPN 521170 FMI 3 | 521170 | 3 | Smart Remote Actuator 4 (EGF), Low or High Supply Voltage |
| SPN 521170 FMI 31 | 521170 | 31 | Smart Remote Actuator 4 (EGF), Learn Span Incomplete |
| SPN 521170 FMI 7 | 521170 | 7 | Smart Remote Actuator 4 (EGF), Failsafe Mode, Motor Off |
| SPN 521170 FMI 9 | 521170 | 9 | Smart Remote Actuator 4, No Communication |
| SPN 521173 FMI 20 | 521173 | 20 | Integrated NOx Flow Rate Error Below the Allowable Threshold |
| SPN 521173 FMI 21 | 521173 | 21 | Integrated NOx Flow Rate Error Above the Allowable Threshold |
| SPN 521174 FMI 31 | 521174 | 31 | Half Engine Operation Mode is Performed but Not Requested |
| SPN 521177 FMI 13 | 521177 | 13 | Current Duration Trim Codes Missing |
| SPN 521179 FMI 16 | 521179 | 16 | EGR PID Controller Limit High Side |
| SPN 521179 FMI 18 | 521179 | 18 | EGR PID Controller Limit Low Side |
| SPN 521180 FMI 11 | 521180 | 11 | Unidentified MCM Reset Occurred |
| SPN 522222 FMI 13 | 522222 | 13 | CPC Internal – EEPROM Data Verification |
| SPN 522222 FMI 14 | 522222 | 14 | CPC5 Internal EEPROM Checksum Error DDEC Reports |
| SPN 522222 FMI 2 | 522222 | 2 | CPC5 Internal EEPROM Checksum Error |
| SPN 523 FMI 13 | 523 | 13 | J1939 Transmission Current Gear Signal is Missing |
| SPN 523 FMI 19 | 523 | 19 | J1939 Transmission Current Gear Signal is Erratic |
| SPN 524200 FMI 14 | 524200 | 14 | CPC Internal Hardware Defect |
| SPN 524205 FMI 12 | 524205 | 12 | CPC5 PMC Internal Error |
| SPN 524206 FMI 14 | 524206 | 14 | PMC: Double Storage Error |
| SPN 524207 FMI 12 | 524207 | 12 | Accelerator Pedal No Response |
| SPN 524208 FMI 14 | 524208 | 14 | Accelerator Pedal – Idle Position Not Detected |
| SPN 524213 FMI 14 | 524213 | 14 | TCM Test Bench Active – Dyno Mode |
| SPN 524214 FMI 14 | 524214 | 14 | Missing TPMS ECU |
| SPN 524215 FMI 14 | 524215 | 14 | Wrong TPMS ECU |
| SPN 5298 FMI 14 | 5298 | 14 | Selective Catalytic Reduction Catalyst Abnormal Temperature Rise |
| SPN 5319 FMI 14 | 5319 | 14 | Soot Sensor Regeneration Error |
| SPN 5323 FMI 13 | 5323 | 13 | Excessive Time to Enter Closed Loop Fuel Pressure Control |
| SPN 5357 FMI 16 | 5357 | 16 | Fuel Quantity High Detected |
| SPN 5357 FMI 18 | 5357 | 18 | Fuel Quantity Low Detected |
| SPN 5395 FMI 15 | 5395 | 15 | Idle Fuel Quantity Out of Range |
| SPN 5397 FMI 31 | 5397 | 31 | Regen Frequency Error |
| SPN 5418 FMI 3 | 5418 | 3 | Quantity Control Valve High Side Error |
| SPN 5418 FMI 4 | 5418 | 4 | Quantity Control Valve Low Side Error |
| SPN 5435 FMI 11 | 5435 | 11 | DEF Pump Blocked Loop Error |
| SPN 5435 FMI 7 | 5435 | 7 | Non Diesel Exhaust Fluid Flow Situation |
| SPN 5443 FMI 0 | 5443 | DPF HC Absorption Very High | |
| SPN 5443 FMI 15 | 5443 | 15 | DPF HC Absorption Warning |
| SPN 5443 FMI 16 | 5443 | 16 | DPF HC Absorption High |
| SPN 5444 FMI 1 | 5444 | 1 | Engine Crankcase Breather Oil Separator Speed Too Low |
| SPN 5488 FMI 3 | 5488 | 3 | Diesel Exhaust Fluid Line Heater 5 Circuit Failed High |
| SPN 5488 FMI 4 | 5488 | 4 | Diesel Exhaust Fluid Line Heater 5 Circuit Failed Low |
| SPN 5488 FMI 5 | 5488 | 5 | Selective Catalyst Reduction Line Heater 5 Circuit Failed Open |
| SPN 5527 FMI 16 | 5527 | 16 | OPC Inductor Temperature too High |
| SPN 5540 FMI 2 | 5540 | 2 | Fuel Temperature Signal Not Plausible |
| SPN 5569 FMI 3 | 5569 | 3 | Soot Sensor Printed Circuit Board Temperature 1 Signal Range High |
| SPN 5569 FMI 4 | 5569 | 4 | Soot Sensor Printed Circuit Board Temperature 1 Signal Range Low |
| SPN 5571 FMI 7 | 5571 | 7 | Pressure Limiting Valve Staying Open |
| SPN 5588 FMI 14 | 5588 | 14 | CPC bus-off fault for CHCAN |
| SPN 5588 FMI 14 | 5588 | 14 | Chassis-CAN (VCAN/Prop Net #2) – Bus off |
| SPN 5588 FMI 9 | 5588 | 9 | Exhaust Gas Recirculation Actuator, CAN3 Communication Error |
| SPN 558 FMI 7 | 558 | 7 | Accelerator Pedal – Idle Position not Recognized |
| SPN 5713 FMI 20 | 5713 | 20 | NOx Out Sensor Self-diagnosis NOx Drifted High |
| SPN 5713 FMI 21 | 5713 | 21 | NOx Out Sensor Self-Diagnosis NOx Drifted Low |
| SPN 5714 FMI 20 | 5714 | 20 | NOx Raw Sensor Self-Diagnosis NOx Drifted High |
| SPN 5714 FMI 21 | 5714 | 21 | NOx Raw Sensor Self-Diagnosis NOx Drifted Low |
| SPN 5741 FMI 12 | 5741 | 12 | Soot Sensor Inter-Digital Electrode Self-Diagnostic |
| SPN 5741 FMI 13 | 5741 | 13 | Soot Sensor Controller Area Network (CAN) Feedback Signal Failure |
| SPN 5741 FMI 16 | 5741 | 16 | Soot Sensor Data Valid But Above Normal Operating Range – Moderately Severe Level |
| SPN 5741 FMI 18 | 5741 | 18 | Soot Sensor Data Valid But Below Normal Operating Range – Moderately Severe Level |
| SPN 5741 FMI 4 | 574 | 4 | Soot Sensor Inter-Digital Electrode Short Circuit |
| SPN 5741 FMI 9 | 5741 | 9 | Soot Sensor Communication Error |
| SPN 5747 FMI 12 | 5747 | 12 | Soot Sensor Heater Fault |
| SPN 5765 FMI 0 | 5765 | EGR Temperature Alert | |
| SPN 5841 FMI 14 | 5841 | 14 | Diesel Exhaust Fluid Quality Low |
| SPN 5927 FMI 2 | 5927 | 2 | Water Pump Limp Home Mode |
| SPN 5927 FMI 7 | 5927 | 7 | Electronically Controlled Water Pump Mechanical Defect Detected |
| SPN 625 FMI 17 | 625 | 17 | No ACM2 Communication – Pre-Warning |
| SPN 625 FMI 18 | 625 | 18 | No ACM2 Communication – Warning |
| SPN 625 FMI 2 | 625 | 2 | Invalid Data on Engine CAN Link |
| SPN 625 FMI 2 | 625 | 2 | CPC Message not Received or Stopped Arriving |
| SPN 625 FMI 8 | 625 | 8 | MCM PT-CAN DM1 Message Not Received or has Stopped Arriving |
| SPN 625 FMI 9 | 625 | 9 | PT-CAN Heartbeat Missing |
| SPN 625 FMI 9 | 625 | 9 | No Data Received from Engine CAN Link |
| SPN 629 FMI 12 | 629 | 12 | Controller #1 Bad Intelligent Device Or Component |
| SPN 6301 FMI 15 | 6301 | 15 | Water In Fuel for WIF2 |
| SPN 6301 FMI 3 | 6301 | 3 | Signal Range High Active for WIF Sensor 2 |
| SPN 6301 FMI 4 | 6301 | 4 | Signal Range High Active for WIF Sensor 2 |
| SPN 630 FMI 13 | 630 | 13 | CPC Internal – Checksum Error in Production Data Coding Area |
| SPN 630 FMI 14 | 630 | 14 | CPC Internal – Software vs. Hardware Variant Mismatch |
| SPN 630 FMI 2 | 630 | 2 | CPC Internal – Checksum Error in Nonvolatile Memory |
| SPN 636 FMI 1 | 636 | 1 | Crankshaft Position Sensor Signal Voltage Too Low |
| SPN 636 FMI 10 | 636 | 10 | Crankshaft Position Sensor Signal Erratic |
| SPN 636 FMI 11 | 636 | 11 | Crankshaft Position Sensor – Sensor Failure |
| SPN 636 FMI 15 | 636 | 15 | No Match of Camshaft and Crankshaft Signals |
| SPN 636 FMI 2 | 636 | 2 | No Match of Camshaft and Crankshaft Signals |
| SPN 636 FMI 3 | 636 | 3 | Crankshaft Position Sensor Has an Open Circuit |
| SPN 636 FMI 8 | 636 | 8 | Crankshaft Position Sensor Time Out |
| SPN 6384 FMI 2 | 6384 | 2 | Sensor Drift Fault for First Exhaust Pressure |
| SPN 639 FMI 14 | 639 | 14 | J1939 Data Link Failure |
| SPN 639 FMI 14 | 639 | 14 | J1939 Data Link Failure |
| SPN 647 FMI 3 | 647 | 3 | Fan Circuit Short to Power |
| SPN 647 FMI 4 | 647 | 4 | Fan Circuit Short to Ground |
| SPN 647 FMI 5 | 647 | 5 | Fan Open Circuit |
| SPN 651 FMI 3 | 651 | 3 | Injector Cylinder #1 Needle Control Valve Abnormal Operation (MAX) |
| SPN 651 FMI 4 | 651 | 4 | Injector Cylinder #1 Needle Control Valve Abnormal Operation (MIN) |
| SPN 651 FMI 5 | 651 | 5 | Injector Cylinder #1 Needle Control Valve Circuit Open |
| SPN 651 FMI 6 | 651 | 6 | Injector Cylinder #1 Needle Control Valve Shorted Circuit |
| SPN 652 FMI 3 | 652 | 3 | Injector Cylinder #2 Needle Control Valve Abnormal Operation (MAX) |
| SPN 652 FMI 4 | 652 | 4 | Injector Cylinder #2 Needle Control Valve Abnormal Operation (MIN) |
| SPN 652 FMI 5 | 652 | 5 | Injector Cylinder #2 Needle Control Valve Circuit Open |
| SPN 652 FMI 6 | 652 | 6 | Injector Cylinder #2 Needle Control Valve Shorted Circuit |
| SPN 653 FMI 3 | 653 | 3 | Injector Cylinder #3 Needle Control Valve Abnormal Operation (MAX) |
| SPN 653 FMI 4 | 653 | 4 | Injector Cylinder #3 Needle Control Valve Abnormal Operation (MIN) |
| SPN 653 FMI 5 | 653 | 5 | Injector Cylinder #3 Needle Control Valve Circuit Open |
| SPN 653 FMI 6 | 653 | 6 | Injector Cylinder #3 Needle Control Valve Shorted Circuit |
| SPN 654 FMI 3 | 654 | 3 | Injector Cylinder #4 Needle Control Valve Abnormal Operation (MAX) |
| SPN 654 FMI 4 | 654 | 4 | Injector Cylinder #4 Needle Control Valve Abnormal Operation (MIN) |
| SPN 654 FMI 5 | 654 | 5 | Injector Cylinder #4 Needle Control Valve Circuit Open |
| SPN 654 FMI 6 | 654 | 6 | Injector Cylinder #4 Needle Control Valve Shorted Circuit |
| SPN 655 FMI 3 | 655 | 3 | Injector Cylinder #5 Needle Control Valve Abnormal Operation (MAX) |
| SPN 655 FMI 4 | 655 | 4 | Injector Cylinder #5 Needle Control Valve Abnormal Operation (MIN) |
| SPN 655 FMI 5 | 655 | 5 | Injector Cylinder #5 Needle Control Valve Circuit Open |
| SPN 655 FMI 6 | 655 | 6 | Injector Cylinder #5 Needle Control Valve Shorted Circuit |
| SPN 656 FMI 3 | 656 | 3 | Injector Cylinder #6 Needle Control Valve Abnormal Operation (MAX) |
| SPN 656 FMI 4 | 656 | 4 | Injector Cylinder #6 Needle Control Valve Abnormal Operation (MIN) |
| SPN 656 FMI 5 | 656 | 5 | Injector Cylinder #6 Needle Control Valve Circuit Open |
| SPN 656 FMI 6 | 656 | 6 | Injector Cylinder #6 Needle Control Valve Shorted Circuit |
| SPN 677 FMI 3 | 677 | 3 | Engine Starter Relay Shorted to High Source |
| SPN 677 FMI 31 | 677 | 31 | Starter Jammed (Tooth to Tooth Jam) |
| SPN 677 FMI 5 | 677 | 5 | Engine Starter Relay Open Circuit |
| SPN 705 FMI 3 | 705 | 3 | Malfunction Indicator Lamp Indicates a Short to Power/open Circuit on Pin 13 of the Common Powertrain Controller #1Connector. |
| SPN 710 FMI 3 | 710 | 3 | Digital Output 4 06 Circuit Failed High |
| SPN 710 FMI 4 | 710 | 4 | Digital Output 4 06 Circuit Failed Low |
| SPN 723 FMI 10 | 723 | 10 | Camshaft Position Sensor Signal Erratic |
| SPN 723 FMI 11 | 723 | 11 | Camshaft Position Sensor Failure |
| SPN 723 FMI 31 | 723 | 31 | Backwards Running Engine Detected |
| SPN 723 FMI 8 | 723 | 8 | Camshaft Position Sensor Time Out |
| SPN 7384 FMI 3 | 7384 | 3 | Injector Cylinder #1 Needle Control Valve, Abnormal Operation (MAX) Cold |
| SPN 7384 FMI 4 | 7384 | 4 | Injector Cylinder #1 Needle Control Valve, Abnormal Operation (MIN) Cold |
| SPN 7385 FMI 3 | 7385 | 3 | Injector Cylinder #2 Needle Control Valve, Abnormal Operation (MAX) Cold |
| SPN 7385 FMI 4 | 7385 | 4 | Injector Cylinder #2 Needle Control Valve, Abnormal Operation (MIN) Cold |
| SPN 7386 FMI 3 | 7386 | 3 | Injector Cylinder #3 Needle Control Valve, Abnormal Operation (MAX) Cold |
| SPN 7386 FMI 4 | 7386 | 4 | Injector Cylinder #3 Needle Control Valve, Abnormal Operation (MIN) Cold |
| SPN 7387 FMI 3 | 7387 | 3 | Injector Cylinder #4 Needle Control Valve, Abnormal Operation (MAX) Cold |
| SPN 7387 FMI 4 | 7387 | 4 | Injector Cylinder #4 Needle Control Valve, Abnormal Operation (MIN) Cold |
| SPN 7388 FMI 3 | 7388 | 3 | Injector Cylinder #5 Needle Control Valve, Abnormal Operation (MAX) Cold |
| SPN 7388 FMI 4 | 7388 | 4 | Injector Cylinder #5 Needle Control Valve, Abnormal Operation (MIN) Cold |
| SPN 7389 FMI 3 | 7389 | 3 | Injector Cylinder #6 Needle Control Valve, Abnormal Operation (MAX) Cold |
| SPN 7389 FMI 4 | 7389 | 4 | Injector Cylinder #6 Needle Control Valve, Abnormal Operation (MIN) Cold |
| SPN 8151 FMI 0 | 8151 | Exhaust Gas Flap Stuck Closed | |
| SPN 8151 FMI 1 | 8151 | 1 | Exhaust Gas Flap Stuck Open |
| SPN 84 FMI 0 | 84 | Vehicle Speed Above Programmable Threshold 1 While Driving | |
| SPN 84 FMI 11 | 84 | 11 | Vehicle Speed Above Programmable Threshold 2 While Driving |
| SPN 84 FMI 13 | 84 | 13 | Vehicle Speed Over PTCAN Not Available |
| SPN 84 FMI 19 | 84 | 19 | Vehicle Speed Value Outside Allowable Range |
| SPN 84 FMI 20 | 84 | 20 | Vehicle Speed Failure |
| SPN 84 FMI 21 | 84 | 21 | Vehicle Speed Failure |
| SPN 84 FMI 21 | 84 | 21 | Vehicle Speed Erratic |
| SPN 84 FMI 6 | 84 | 6 | VSS Anti-Tamper Detection via ABS Vehicle Speed Comparison |
| SPN 8619 FMI 11 | 8619 | 11 | P3 Sensor 1 Stuck in Range Check High |
| SPN 8619 FMI 14 | 8619 | 14 | P3 Sensor 1 Stuck in Range Check Low |
| SPN 8619 FMI 20 | 8619 | 20 | Engine Exhaust Manifold Absolute Pressure 1 Rationality (Low Box) |
| SPN 8619 FMI 21 | 8619 | 21 | Engine Exhaust Manifold Absolute Pressure 1 Rationality (High Box) |
| SPN 8620 FMI 11 | 8620 | 11 | P3 Sensor 2 Stuck in Range Check High |
| SPN 8620 FMI 14 | 8620 | 14 | P3 Sensor 2 Stuck in Range Check Low |
| SPN 8620 FMI 20 | 8620 | 20 | Engine Exhaust Manifold Absolute Pressure 2 Rationality (Low Box) |
| SPN 8620 FMI 21 | 8620 | 21 | Engine Exhaust Manifold Absolute Pressure 2 Rationality (High Box) |
| SPN 91 FMI 12 | 91 | 12 | Accelerator Pedal Sensor Drifted Out of Learned Range |
| SPN 91 FMI 13 | 91 | 13 | Accelerator Pedal Incorrect Parameterization |
| SPN 91 FMI 2 | 91 | 2 | Accelerator Pedal Learn Error |
| SPN 91 FMI 3 | 91 | 3 | Accelerator Pedal Sensor 1 Signal |
| SPN 91 FMI 4 | 91 | 4 | Accelerator Pedal Sensor Signal |
| SPN 91 FMI 5 | 91 | 5 | Accelerator Pedal Sensor Signal |
| SPN 91 FMI 7 | 91 | 7 | 2-Channel Accelerator Pedal Idle Not Recognized |
| SPN 91 FMI 8 | 91 | 8 | 2-Channel Accelerator Pedal Signal 1 Missing |
| SPN 94 FMI 11 | 94 | 11 | Low Side Fuel Pressure Not Plausible |
| SPN 94 FMI 15 | 94 | 15 | Fuel Filter Service Warning |
| SPN 94 FMI 16 | 94 | 16 | Fuel Filter Replacement Required |
| SPN 94 FMI 2 | 94 | 2 | Low Side Fuel Pressure Not Plausible |
| SPN 94 FMI 3 | 94 | 3 | Low Pressure Pump Output (LPPO) Circuit Failed High |
| SPN 94 FMI 4 | 94 | 4 | Low Side Fuel Pressure Sensor Circuit Failed Low |
| SPN 961 FMI 2 | 961 | 2 | CPC Clock Data Invalid |
| SPN 96 FMI 13 | 96 | 13 | Fuel Level Sensor Missing or Not Available |
| SPN 96 FMI 19 | 96 | 19 | Fuel Level Sensor Signal Error |
| SPN 96 FMI 2 | 96 | 2 | Fuel Tank Level Sensor Stuck in Position |
| SPN 97 FMI 15 | 97 | 15 | Water-in-Fuel Warning |
| SPN 97 FMI 16 | 97 | 16 | Water-in-Fuel Warning |
| SPN 97 FMI 3 | 97 | 3 | Water-in-Fuel Circuit Failed High |
| SPN 97 FMI 31 | 97 | 31 | Water-in-Fuel Warning – Ignored |
| SPN 97 FMI 4 | 97 | 4 | Water-in-Fuel Circuit Failed Low |
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