Mercedes MBE 4000 Fault Codes List: Your Ultimate Guide
Mercedes Mbe 4000 Fault Codes List is essential for diagnosing and repairing engine issues efficiently. CARDIAGTECH.NET provides comprehensive access to diagnostic tools and fault code information, ensuring your repairs are accurate and timely, optimizing your diagnostic workflow and minimizing downtime. Explore our solutions for commercial vehicle diagnostics and maintenance.
1. Understanding the Mercedes MBE 4000 Engine
The Mercedes-Benz MBE 4000 engine is a popular choice for heavy-duty trucks, known for its reliability and performance. This engine, widely used in various commercial vehicles, requires careful maintenance and timely diagnostics to ensure optimal operation. Understanding the engine’s architecture and common issues is the first step in efficient troubleshooting.
1.1 Key Features of the MBE 4000 Engine
- High Performance: The MBE 4000 is designed for high performance, delivering robust power and torque for heavy-duty applications.
- Fuel Efficiency: Known for its fuel efficiency, helping to reduce operational costs.
- Advanced Technology: Equipped with advanced engine management systems for optimized performance and diagnostics.
- Durability: Built to withstand the rigors of heavy-duty use, ensuring a long service life.
1.2 Common Issues with the MBE 4000 Engine
- Sensor Failures: Issues with sensors such as oxygen sensors, temperature sensors, and pressure sensors.
- Fuel System Problems: Problems related to fuel injectors, fuel pumps, and fuel filters.
- Exhaust System Issues: Including DPF (Diesel Particulate Filter) clogging and EGR (Exhaust Gas Recirculation) valve failures.
- Electrical Issues: Wiring problems, faulty connections, and ECM (Engine Control Module) malfunctions.
2. The Importance of Accurate Fault Code Diagnostics
Accurate fault code diagnostics are crucial for effective vehicle maintenance and repair. These codes, generated by the engine’s onboard computer, provide valuable insights into potential problems, enabling technicians to quickly identify and address issues.
2.1 Benefits of Precise Diagnostics
- Reduced Downtime: Quickly identify and fix problems to minimize vehicle downtime.
- Cost Savings: Accurate diagnostics prevent unnecessary repairs, saving time and money.
- Improved Performance: Addressing issues promptly ensures optimal engine performance.
- Enhanced Reliability: Regular diagnostics help maintain the engine’s reliability and longevity.
2.2 Tools for Accurate Diagnostics
- Diagnostic Scanners: Devices that read fault codes and provide real-time data.
- Multimeters: Used for testing electrical circuits and components.
- Pressure Gauges: For measuring fuel and oil pressure.
- Software and Databases: Access to comprehensive fault code lists and repair information.
3. Comprehensive Mercedes MBE 4000 Fault Codes List
Having a comprehensive fault codes list is indispensable for diagnosing issues in the Mercedes MBE 4000 engine. This section provides an extensive list of fault codes along with their descriptions, potential causes, and recommended solutions.
| Fault Code | Description | Possible Causes | Recommended Solutions |
|---|---|---|---|
| P0001 | Fuel Volume Regulator Control Circuit Open | Faulty fuel volume regulator, wiring issues, ECM failure | Check wiring, replace fuel volume regulator, test ECM |
| P0002 | Fuel Volume Regulator Control Circuit Range/Performance | Faulty fuel volume regulator, fuel pressure issues, ECM failure | Check fuel pressure, replace fuel volume regulator, test ECM |
| P0003 | Fuel Volume Regulator Control Circuit Low | Shorted wiring, faulty fuel volume regulator, ECM failure | Check wiring for shorts, replace fuel volume regulator, test ECM |
| P0004 | Fuel Volume Regulator Control Circuit High | Open wiring, faulty fuel volume regulator, ECM failure | Check wiring for opens, replace fuel volume regulator, test ECM |
| P0016 | Crankshaft Position – Camshaft Position Correlation | Timing belt/chain issues, faulty sensors, ECM failure | Check timing, replace sensors, test ECM |
| P0045 | Turbocharger Boost Control Solenoid Circuit Open | Faulty solenoid, wiring issues, ECM failure | Check wiring, replace solenoid, test ECM |
| P0046 | Turbocharger Boost Control Solenoid Circuit Range/Performance | Solenoid issues, vacuum leaks, ECM failure | Check solenoid, check for vacuum leaks, test ECM |
| P0047 | Turbocharger Boost Control Solenoid Circuit Low | Shorted wiring, faulty solenoid, ECM failure | Check wiring for shorts, replace solenoid, test ECM |
| P0048 | Turbocharger Boost Control Solenoid Circuit High | Open wiring, faulty solenoid, ECM failure | Check wiring for opens, replace solenoid, test ECM |
| P0100 | Mass Air Flow (MAF) Sensor Circuit | Dirty or faulty MAF sensor, wiring issues, vacuum leaks | Clean or replace MAF sensor, check wiring, check for vacuum leaks |
| P0101 | Mass Air Flow (MAF) Sensor Circuit Range/Performance | Dirty or faulty MAF sensor, air leaks, ECM failure | Clean or replace MAF sensor, check for air leaks, test ECM |
| P0102 | Mass Air Flow (MAF) Sensor Circuit Low Input | Faulty MAF sensor, shorted wiring, ECM failure | Replace MAF sensor, check wiring for shorts, test ECM |
| P0103 | Mass Air Flow (MAF) Sensor Circuit High Input | Faulty MAF sensor, open wiring, ECM failure | Replace MAF sensor, check wiring for opens, test ECM |
| P0116 | Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance | Faulty ECT sensor, coolant issues, thermostat problems | Replace ECT sensor, check coolant level, check thermostat |
| P0117 | Engine Coolant Temperature (ECT) Sensor Circuit Low Input | Faulty ECT sensor, shorted wiring, ECM failure | Replace ECT sensor, check wiring for shorts, test ECM |
| P0118 | Engine Coolant Temperature (ECT) Sensor Circuit High Input | Faulty ECT sensor, open wiring, ECM failure | Replace ECT sensor, check wiring for opens, test ECM |
| P0190 | Fuel Rail Pressure Sensor Circuit | Faulty sensor, wiring issues, fuel pressure problems | Replace sensor, check wiring, check fuel pressure |
| P0191 | Fuel Rail Pressure Sensor Circuit Range/Performance | Fuel pressure issues, sensor problems, ECM failure | Check fuel pressure, replace sensor, test ECM |
| P0192 | Fuel Rail Pressure Sensor Circuit Low Input | Faulty sensor, shorted wiring, ECM failure | Replace sensor, check wiring for shorts, test ECM |
| P0193 | Fuel Rail Pressure Sensor Circuit High Input | Faulty sensor, open wiring, ECM failure | Replace sensor, check wiring for opens, test ECM |
| P0201 | Injector Circuit – Cylinder 1 | Faulty injector, wiring issues, ECM failure | Replace injector, check wiring, test ECM |
| P0202 | Injector Circuit – Cylinder 2 | Faulty injector, wiring issues, ECM failure | Replace injector, check wiring, test ECM |
| P0203 | Injector Circuit – Cylinder 3 | Faulty injector, wiring issues, ECM failure | Replace injector, check wiring, test ECM |
| P0204 | Injector Circuit – Cylinder 4 | Faulty injector, wiring issues, ECM failure | Replace injector, check wiring, test ECM |
| P0205 | Injector Circuit – Cylinder 5 | Faulty injector, wiring issues, ECM failure | Replace injector, check wiring, test ECM |
| P0206 | Injector Circuit – Cylinder 6 | Faulty injector, wiring issues, ECM failure | Replace injector, check wiring, test ECM |
| P0234 | Turbocharger Overboost Condition | Faulty turbocharger, boost control issues, sensor problems | Check turbocharger, check boost control system, replace sensors |
| P0235 | Turbocharger Boost Sensor Circuit | Faulty sensor, wiring issues, boost leaks | Replace sensor, check wiring, check for boost leaks |
| P0236 | Turbocharger Boost Sensor Circuit Range/Performance | Sensor issues, boost leaks, ECM failure | Replace sensor, check for boost leaks, test ECM |
| P0237 | Turbocharger Boost Sensor Circuit Low | Faulty sensor, shorted wiring, ECM failure | Replace sensor, check wiring for shorts, test ECM |
| P0238 | Turbocharger Boost Sensor Circuit High | Faulty sensor, open wiring, ECM failure | Replace sensor, check wiring for opens, test ECM |
| P0299 | Turbocharger Underboost Condition | Vacuum leaks, faulty turbocharger, sensor issues | Check for vacuum leaks, check turbocharger, replace sensors |
| P0300 | Random/Multiple Cylinder Misfire Detected | Ignition issues, fuel problems, vacuum leaks | Check ignition system, check fuel system, check for vacuum leaks |
| P0301 | Cylinder 1 Misfire Detected | Faulty spark plug, ignition coil, injector, compression issues | Replace spark plug, ignition coil, injector, check compression |
| P0302 | Cylinder 2 Misfire Detected | Faulty spark plug, ignition coil, injector, compression issues | Replace spark plug, ignition coil, injector, check compression |
| P0303 | Cylinder 3 Misfire Detected | Faulty spark plug, ignition coil, injector, compression issues | Replace spark plug, ignition coil, injector, check compression |
| P0304 | Cylinder 4 Misfire Detected | Faulty spark plug, ignition coil, injector, compression issues | Replace spark plug, ignition coil, injector, check compression |
| P0305 | Cylinder 5 Misfire Detected | Faulty spark plug, ignition coil, injector, compression issues | Replace spark plug, ignition coil, injector, check compression |
| P0306 | Cylinder 6 Misfire Detected | Faulty spark plug, ignition coil, injector, compression issues | Replace spark plug, ignition coil, injector, check compression |
| P0335 | Crankshaft Position Sensor “A” Circuit | Faulty sensor, wiring issues, ECM failure | Replace sensor, check wiring, test ECM |
| P0336 | Crankshaft Position Sensor “A” Circuit Range/Performance | Sensor issues, timing issues, ECM failure | Replace sensor, check timing, test ECM |
| P0340 | Camshaft Position Sensor “A” Circuit | Faulty sensor, wiring issues, ECM failure | Replace sensor, check wiring, test ECM |
| P0341 | Camshaft Position Sensor “A” Circuit Range/Performance | Sensor issues, timing issues, ECM failure | Replace sensor, check timing, test ECM |
| P0401 | Exhaust Gas Recirculation (EGR) Flow Insufficient Detected | Clogged EGR valve, vacuum leaks, faulty sensors | Clean or replace EGR valve, check for vacuum leaks, replace sensors |
| P0402 | Exhaust Gas Recirculation (EGR) Flow Excessive Detected | Faulty EGR valve, sensor issues, ECM failure | Replace EGR valve, replace sensors, test ECM |
| P0404 | Exhaust Gas Recirculation (EGR) Control Circuit Range/Performance | EGR valve issues, sensor problems, ECM failure | Replace EGR valve, replace sensors, test ECM |
| P0405 | Exhaust Gas Recirculation (EGR) Sensor “A” Circuit Low | Faulty sensor, shorted wiring, ECM failure | Replace sensor, check wiring for shorts, test ECM |
| P0406 | Exhaust Gas Recirculation (EGR) Sensor “A” Circuit High | Faulty sensor, open wiring, ECM failure | Replace sensor, check wiring for opens, test ECM |
| P0420 | Catalyst System Efficiency Below Threshold | Faulty catalytic converter, oxygen sensor issues, exhaust leaks | Replace catalytic converter, check oxygen sensors, check for exhaust leaks |
| P0421 | Warm Up Catalyst Efficiency Below Threshold Bank 1 | Faulty catalytic converter, oxygen sensor issues, exhaust leaks | Replace catalytic converter, check oxygen sensors, check for exhaust leaks |
| P0470 | Exhaust Pressure Sensor Circuit | Faulty sensor, wiring issues, exhaust leaks | Replace sensor, check wiring, check for exhaust leaks |
| P0471 | Exhaust Pressure Sensor Circuit Range/Performance | Sensor issues, exhaust leaks, ECM failure | Replace sensor, check for exhaust leaks, test ECM |
| P0472 | Exhaust Pressure Sensor Circuit Low | Faulty sensor, shorted wiring, ECM failure | Replace sensor, check wiring for shorts, test ECM |
| P0473 | Exhaust Pressure Sensor Circuit High | Faulty sensor, open wiring, ECM failure | Replace sensor, check wiring for opens, test ECM |
| P0500 | Vehicle Speed Sensor “A” | Faulty sensor, wiring issues, ECM failure | Replace sensor, check wiring, test ECM |
| P0501 | Vehicle Speed Sensor “A” Range/Performance | Sensor issues, transmission problems, ECM failure | Replace sensor, check transmission, test ECM |
| P0505 | Idle Control System | Faulty idle air control valve, vacuum leaks, ECM failure | Replace idle air control valve, check for vacuum leaks, test ECM |
| P0506 | Idle Control System RPM Lower Than Expected | Vacuum leaks, throttle body issues, ECM failure | Check for vacuum leaks, check throttle body, test ECM |
| P0507 | Idle Control System RPM Higher Than Expected | Vacuum leaks, throttle body issues, ECM failure | Check for vacuum leaks, check throttle body, test ECM |
| P0600 | Serial Communication Link | Wiring issues, ECM failure, communication problems | Check wiring, test ECM, check communication protocols |
| P0601 | Internal Control Module Memory Check Sum Error | ECM failure, programming issues | Replace ECM, reprogram ECM |
| P0602 | Control Module Programming Error | ECM failure, programming issues | Replace ECM, reprogram ECM |
| P0603 | Internal Control Module Keep Alive Memory (KAM) Error | ECM failure, power supply issues | Replace ECM, check power supply to ECM |
| P0605 | Internal Control Module Read Only Memory (ROM) Error | ECM failure | Replace ECM |
| P0606 | ECM/PCM Processor | ECM failure | Replace ECM |
| P062D | Fuel Injector Driver Circuit Bank 1 | Faulty injector driver, wiring issues, ECM failure | Replace injector driver, check wiring, test ECM |
| P062E | Fuel Injector Driver Circuit Bank 2 | Faulty injector driver, wiring issues, ECM failure | Replace injector driver, check wiring, test ECM |
| P0670 | Glow Plug Control Circuit | Faulty glow plugs, wiring issues, glow plug control module failure | Replace glow plugs, check wiring, replace glow plug control module |
| P0671 | Cylinder 1 Glow Plug Circuit | Faulty glow plug, wiring issues | Replace glow plug, check wiring |
| P0672 | Cylinder 2 Glow Plug Circuit | Faulty glow plug, wiring issues | Replace glow plug, check wiring |
| P0673 | Cylinder 3 Glow Plug Circuit | Faulty glow plug, wiring issues | Replace glow plug, check wiring |
| P0674 | Cylinder 4 Glow Plug Circuit | Faulty glow plug, wiring issues | Replace glow plug, check wiring |
| P0675 | Cylinder 5 Glow Plug Circuit | Faulty glow plug, wiring issues | Replace glow plug, check wiring |
| P0676 | Cylinder 6 Glow Plug Circuit | Faulty glow plug, wiring issues | Replace glow plug, check wiring |
| P0683 | Glow Plug Control Module Communication Circuit | Wiring issues, faulty module, ECM failure | Check wiring, replace module, test ECM |
| P0691 | Fan 1 Control Circuit Low | Shorted wiring, faulty fan, ECM failure | Check wiring for shorts, replace fan, test ECM |
| P0692 | Fan 1 Control Circuit High | Open wiring, faulty fan, ECM failure | Check wiring for opens, replace fan, test ECM |
| P0700 | Transmission Control System (TCM) Malfunction | Transmission issues, TCM failure, wiring problems | Check transmission, replace TCM, check wiring |
| P0715 | Turbine/Input Shaft Speed Sensor “A” Circuit | Faulty sensor, wiring issues, transmission problems | Replace sensor, check wiring, check transmission |
| P0716 | Turbine/Input Shaft Speed Sensor “A” Circuit Range/Performance | Sensor issues, transmission problems, ECM failure | Replace sensor, check transmission, test ECM |
| P0717 | Turbine/Input Shaft Speed Sensor “A” Circuit No Signal | Faulty sensor, wiring issues, transmission problems | Replace sensor, check wiring, check transmission |
| P0720 | Output Shaft Speed Sensor Circuit | Faulty sensor, wiring issues, transmission problems | Replace sensor, check wiring, check transmission |
| P0721 | Output Shaft Speed Sensor Circuit Range/Performance | Sensor issues, transmission problems, ECM failure | Replace sensor, check transmission, test ECM |
| P0722 | Output Shaft Speed Sensor Circuit No Signal | Faulty sensor, wiring issues, transmission problems | Replace sensor, check wiring, check transmission |
| P0740 | Torque Converter Clutch Circuit | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0741 | Torque Converter Clutch Circuit Performance or Stuck Off | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0742 | Torque Converter Clutch Circuit Stuck On | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0743 | Torque Converter Clutch Circuit Electrical | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0744 | Torque Converter Clutch Circuit Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0748 | Pressure Control Solenoid “A” Electrical | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0750 | Shift Solenoid “A” | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0751 | Shift Solenoid “A” Performance or Stuck Off | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0752 | Shift Solenoid “A” Stuck On | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0753 | Shift Solenoid “A” Electrical | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0755 | Shift Solenoid “B” | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0756 | Shift Solenoid “B” Performance or Stuck Off | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0757 | Shift Solenoid “B” Stuck On | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0758 | Shift Solenoid “B” Electrical | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0760 | Shift Solenoid “C” | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0761 | Shift Solenoid “C” Performance or Stuck Off | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0762 | Shift Solenoid “C” Stuck On | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0763 | Shift Solenoid “C” Electrical | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0770 | Shift Solenoid “E” | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0771 | Shift Solenoid “E” Performance or Stuck Off | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0772 | Shift Solenoid “E” Stuck On | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0773 | Shift Solenoid “E” Electrical | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0776 | Pressure Control Solenoid “B” Electrical | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0777 | Pressure Control Solenoid “B” Performance/Stuck On | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0778 | Pressure Control Solenoid “B” Range/Performance | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0779 | Pressure Control Solenoid “B” Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0796 | Pressure Control Solenoid “C” Electrical | Faulty solenoid, wiring issues, transmission problems | Replace solenoid, check wiring, check transmission |
| P0797 | Pressure Control Solenoid “C” Performance/Stuck On | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0798 | Pressure Control Solenoid “C” Range/Performance | Solenoid issues, transmission problems, ECM failure | Replace solenoid, check transmission, test ECM |
| P0799 | Pressure Control Solenoid “C” Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0840 | Transmission Fluid Pressure Sensor/Switch “A” Circuit | Faulty sensor, wiring issues, transmission problems | Replace sensor, check wiring, check transmission |
| P0841 | Transmission Fluid Pressure Sensor/Switch “A” Circuit Range/Performance | Sensor issues, transmission problems, ECM failure | Replace sensor, check transmission, test ECM |
| P0842 | Transmission Fluid Pressure Sensor/Switch “A” Circuit Low | Faulty sensor, shorted wiring, transmission problems | Replace sensor, check wiring for shorts, check transmission |
| P0843 | Transmission Fluid Pressure Sensor/Switch “A” Circuit High | Faulty sensor, open wiring, transmission problems | Replace sensor, check wiring for opens, check transmission |
| P0845 | Transmission Fluid Pressure Sensor/Switch “B” Circuit | Faulty sensor, wiring issues, transmission problems | Replace sensor, check wiring, check transmission |
| P0846 | Transmission Fluid Pressure Sensor/Switch “B” Circuit Range/Performance | Sensor issues, transmission problems, ECM failure | Replace sensor, check transmission, test ECM |
| P0847 | Transmission Fluid Pressure Sensor/Switch “B” Circuit Low | Faulty sensor, shorted wiring, transmission problems | Replace sensor, check wiring for shorts, check transmission |
| P0848 | Transmission Fluid Pressure Sensor/Switch “B” Circuit High | Faulty sensor, open wiring, transmission problems | Replace sensor, check wiring for opens, check transmission |
| P0850 | Park/Neutral Switch Input Circuit | Faulty switch, wiring issues, ECM failure | Replace switch, check wiring, test ECM |
| P0867 | Transmission Fluid Pressure | Transmission issues, sensor problems, ECM failure | Check transmission, replace sensors, test ECM |
| P0868 | Transmission Fluid Pressure Low | Transmission issues, sensor problems, ECM failure | Check transmission, replace sensors, test ECM |
| P0869 | Transmission Fluid Pressure High | Transmission issues, sensor problems, ECM failure | Check transmission, replace sensors, test ECM |
| P0870 | Transmission Fluid Pressure Sensor/Switch “C” Circuit | Faulty sensor, wiring issues, transmission problems | Replace sensor, check wiring, check transmission |
| P0871 | Transmission Fluid Pressure Sensor/Switch “C” Circuit Range/Performance | Sensor issues, transmission problems, ECM failure | Replace sensor, check transmission, test ECM |
| P0872 | Transmission Fluid Pressure Sensor/Switch “C” Circuit Low | Faulty sensor, shorted wiring, transmission problems | Replace sensor, check wiring for shorts, check transmission |
| P0873 | Transmission Fluid Pressure Sensor/Switch “C” Circuit High | Faulty sensor, open wiring, transmission problems | Replace sensor, check wiring for opens, check transmission |
| P0875 | Transmission Fluid Pressure Sensor/Switch “D” Circuit | Faulty sensor, wiring issues, transmission problems | Replace sensor, check wiring, check transmission |
| P0876 | Transmission Fluid Pressure Sensor/Switch “D” Circuit Range/Performance | Sensor issues, transmission problems, ECM failure | Replace sensor, check transmission, test ECM |
| P0877 | Transmission Fluid Pressure Sensor/Switch “D” Circuit Low | Faulty sensor, shorted wiring, transmission problems | Replace sensor, check wiring for shorts, check transmission |
| P0878 | Transmission Fluid Pressure Sensor/Switch “D” Circuit High | Faulty sensor, open wiring, transmission problems | Replace sensor, check wiring for opens, check transmission |
| P0880 | Transmission Control Module (TCM) Power Input Signal | Wiring issues, faulty TCM, ECM failure | Check wiring, replace TCM, test ECM |
| P0881 | TCM Power Input Signal Range/Performance | Wiring issues, faulty TCM, ECM failure | Check wiring, replace TCM, test ECM |
| P0882 | TCM Power Input Signal Low | Wiring issues, faulty TCM, ECM failure | Check wiring, replace TCM, test ECM |
| P0883 | TCM Power Input Signal High | Wiring issues, faulty TCM, ECM failure | Check wiring, replace TCM, test ECM |
| P0884 | TCM Power Input Signal Intermittent | Wiring issues, faulty TCM, ECM failure | Check wiring, replace TCM, test ECM |
| P0960 | Shift Solenoid “A” Control Circuit Range/Performance | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0961 | Shift Solenoid “A” Control Circuit Low | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0962 | Shift Solenoid “A” Control Circuit High | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0963 | Shift Solenoid “A” Control Circuit Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0964 | Shift Solenoid “B” Control Circuit Range/Performance | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0965 | Shift Solenoid “B” Control Circuit Low | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0966 | Shift Solenoid “B” Control Circuit High | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0967 | Shift Solenoid “B” Control Circuit Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0968 | Shift Solenoid “C” Control Circuit Range/Performance | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0969 | Shift Solenoid “C” Control Circuit Low | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0970 | Shift Solenoid “C” Control Circuit High | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0971 | Shift Solenoid “C” Control Circuit Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0974 | Shift Solenoid “D” Control Circuit Range/Performance | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0975 | Shift Solenoid “D” Control Circuit Low | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0976 | Shift Solenoid “D” Control Circuit High | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0977 | Shift Solenoid “D” Control Circuit Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0978 | Shift Solenoid “E” Control Circuit Range/Performance | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0979 | Shift Solenoid “E” Control Circuit Low | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0980 | Shift Solenoid “E” Control Circuit High | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0981 | Shift Solenoid “E” Control Circuit Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0982 | Shift Solenoid “F” Control Circuit Range/Performance | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0983 | Shift Solenoid “F” Control Circuit Low | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0984 | Shift Solenoid “F” Control Circuit High | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P0985 | Shift Solenoid “F” Control Circuit Intermittent | Solenoid issues, wiring problems, ECM failure | Replace solenoid, check wiring, test ECM |
| P2000 | NOx Trap Efficiency Below Threshold Bank 1 | Faulty NOx trap, oxygen sensor issues, exhaust leaks | Replace NOx trap, check oxygen sensors, check for exhaust leaks |
| P2001 | NOx Trap Efficiency Below Threshold Bank 2 | Faulty NOx trap, oxygen sensor issues, exhaust leaks | Replace NOx trap, check oxygen sensors, check for exhaust leaks |
| P2002 | Diesel Particulate Filter Efficiency Below Threshold Bank 1 | Clogged DPF, faulty sensors, exhaust leaks | Clean or replace DPF, replace sensors, check for exhaust leaks |
| P2003 | Diesel Particulate Filter Efficiency Below Threshold Bank 2 | Clogged DPF, faulty sensors, exhaust leaks | Clean or replace DPF, replace sensors, check for exhaust leaks |
| P2031 | Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 2 | Faulty sensor, wiring issues, exhaust leaks | Replace sensor, check wiring, check for exhaust leaks |
| P2032 | Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 2 | Faulty sensor, shorted wiring, ECM failure | Replace sensor, check wiring for shorts, test ECM |
| P2033 | Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 2 | Faulty sensor, open wiring, ECM failure | Replace sensor, check wiring for opens, test ECM |
| P2047 | Reductant Injector Circuit Open Bank 1 Unit 1 | Faulty injector, wiring issues, ECM failure | Replace injector, check wiring, test ECM |
| P20 |
