The database covers 228 dealer codes — Cummins ISF 2.8/3.8 uses its own factory format, outside the J1939 SPN/FMI standard. A few examples below; look up your own code in the search on the homepage, where you can also pick “Cummins ISF 2.8/3.8” from the brand list.
| 111 | ECM internal failure. Symptom: The engine may fail to start. |
| 155 | Intake Manifold Air Temperature Sensor - Engine Protection Circuit. Symptom: Engine power is reduced gradually as time passes after the warning is issued. If the protective engine shutdown function is enabled, the engine shuts down 30 seconds after the red stop lamp starts flashing. |
| 234 | Engine Overspeed Circuit. Symptom: Fuel injection stops until the engine speed drops below the upper limit. |
| 285 | ECM does not receive multiplex network messages in a timely manner. Symptom: One or more devices on the multiplexed network will not work properly. One or more fault symptoms will appear. |
| 339 | Idle Shutdown Vehicle Accessories Relay — voltage high/low |
| 441 | Battery voltage below normal — least severe. Symptom: The engine may stall, or starting problems may occur. |
| 585 | Starter Relay Circuit — voltage high/low. Symptom: The engine has no protective starter lockout. |
| 1241 | Accelerator Pedal or Lever Position Sensor 2 Circuit - Voltage Below Normal, or Shorted to Low Source. Symptom: Engine power is reduced significantly, only limp-home operation is possible. |
| 1696 | Sensor Supply 5 - Voltage Below Normal, or Shorted to Low Source |
| 1962 | VGT Actuator Driver Over Temperature - Data Valid but Above Normal Operational Range - Least Severe Level |
| 2351 | EGR Valve Control Circuit - Voltage Below Normal, or Shorted to Low Source. Symptom: Power loss is possible. The power supply to the EGR valve motor is switched off. |
| 2445 | Cylinder 4 injector barcode calibration incorrect |
| 2976 | Exhaust fluid metering unit temperature signal — erratic or incorrect. Symptom: Reagent dosing into the catalytic converter is switched off. |
| 3242 | Exhaust fluid tank heater — mechanical response incorrect |
| 3577 | Exhaust fluid drain valve circuit — voltage above normal |
Know the code number? Type it into the search — or paste the whole list from the scanner and we will show which fault is the real one.