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Cummins Fault Codes List: 5874 to 6498

Page 15 of 19 of the full Cummins fault code list (1,847 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

Cummins codes 5874 to 6498

  • 5874Engine Control Module Calibration Memory (ROM) Corruption - Root Cause Not Known
  • 5879Electronic Throttle Control Actuator Driver Circuit - Voltage above normal, or shorted to high source. A short circuit to battery or open circuit has been detected in the engine intake air throttle actuator signal circuit.
  • 588High voltage detected at the engine start alarm circuit when low voltage was expected by the electronic control module (ECM).
  • 5881Electronic Throttle Control Actuator Driver Circuit - Voltage below normal, or shorted to low source. A short circuit to ground has been detected in the engine intake air throttle actuator signal circuit.
  • 5882Electronic Throttle Control Actuator - Mechanical system not responding or out of adjustment. The engine intake air throttle actuator has failed the auto zero span check.
  • 5887Aftertreament 1 SCR System Hydrocarbon - Data Valid But Above Normal Operating Range - Least Severe Level
  • 5888Aftertreament 1 SCR System Hydrocarbon - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 5889Aftertreament 1 SCR System Hydrocarbon - Data Valid But Above Normal Operating Range - Most Severe Level
  • 589Less than (+) 6 VDC detected at the engine start alarm circuit when high voltage was expected by the ICON™ ECM.
  • 5895Engine Misfire Cylinder #1 - Root Cause Not Known
  • 5896Engine Misfire Cylinder #2 - Root Cause Not Known
  • 5897Engine Misfire Cylinder #3 - Root Cause Not Known
  • 5898Engine Misfire Cylinder #4 - Root Cause Not Known
  • 5899Engine Misfire Cylinder #5 - Root Cause Not Known
  • 5911Engine Misfire Cylinder #6 - Root Cause Not Known
  • 5914Engine Misfire for Multiple Cylinders - Root Cause Not Known
  • 5935Aftertreatment 1 Diesel Exhaust Fluid Pressure - Mechanical System Not Responding or Out of Adjustment
  • 5936Aftertreatment 1 Diesel Exhaust Fluid Pressure - Data Valid But Above Normal Operating Range - Least Severe Level
  • 5938Aftertreatment 1 Diesel Particulate Filter Conditions Not Met for Active Regeneration - Special Instructions
  • 5939Machine Constrained Operation - Abnormal Update Rate
  • 5941Machine Constrained Operation - Received Network Data in Error
  • 5943Engine Turbocharger 1 Speed - Mechanical System Not Responding or Out of Adjustment
  • 595Turbocharger 1 Speed - Data Valid But Above Normal Operating Range - Moderately Severe Level. High turbocharger speed has been detected by the engine control module (ECM).
  • 595 BTurbocharger Number 1 Speed High - Warning Level
  • 595 CITurbocharger Number 1 Speed High - Data Valid but Above Normal Operational Range - Moderately Severe Level
  • 595 CL(ISC/QSC/ISL/QSL Automotive, Industrial, or Marine Application) Turbocharger Number 1 Speed High - Data Valid but Above Normal Operational Range - Moderately Severe Level
  • 595 (ISB)Turbocharger Number 1 speed high - warning level. High turbocharger speed has been detected.
  • 595 (ISC)Turbocharger Number 1 Speed High - Data Valid but Above Normal Operational Range - Moderately Severe Level. High turbocharger speed has been detected.
  • 596Electrical Charging System Voltage High - Data Valid But Above Normal Operating Range - Moderately Severe Level. High battery voltage detected by the battery voltage monitor feature.
  • 597Electrical Charging System Voltage Low - Data Valid But Below Normal Operating Range - Moderately Severe Level. Low battery voltage detected by the battery voltage monitor feature.
  • 598Electrical Charging System Voltage Low - Data Valid But Below Normal Operating Range - Most Severe Level. Very low battery voltage detected by the battery voltage monitor feature.
  • 5989Intake Manifold 1 Pressure - Data Not Rational - Drifted High
  • 599Auxiliary Commanded Dual Output Shutdown - Special Instructions. The engine protection limit has been exceeded for the dual outputs calibrated limits.
  • 5991Intake Manifold 1 Pressure - Data Not Rational - Drifted Low
  • 6Exhaust Gas Temperature Sensor Number 1 Circuit - Voltage Above Normal, or Shorted to High Source
  • 611Engine Shut Down Hot - Condition Exists
  • 6155Engine Control Module - Root Cause Not Known
  • 6182Aftertreatment Diesel Exhaust Fluid Dosing Control Unit Input Lines - Condition Exists
  • 6245NOx Limits Exceeded Due to Insufficient Reagent Quality - Condition Exists. The diesel exhaust fluid quality is not sufficient enough to provide adequate NOx reduction.
  • 6246Aftertreatment 1 Outlet NOx Sensor Self-Diagnosis Trigger - Root Cause Not Known
  • 6255Engine Protection Torque Derate - Data Valid But Above Normal Operating Range - Least Severe Level. Critical fault codes related to engine operation are active.
  • 6256Battery 1 Voltage - Data Valid But Above Normal Operating Range - Least Severe Level. ECM supply voltage is above the maximum system voltage level.
  • 6257Battery 1 Voltage - Data Valid But Above Normal Operating Range - Least Severe Level. ECM supply voltage is above the maximum system voltage level.
  • 6258Electric Lift Pump for Engine Fuel Supply Circuit - Voltage Above Normal or Shorted to High Source. High voltage or open circuit detected at the fuel lift pump signal circuit.
  • 6259Electric Lift Pump for Engine Fuel Supply Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the fuel lift pump circuit.
  • 6261Starter Relay Driver Circuit - Voltage Above Normal or Shorted to High Source. Open circuit or high voltage detected at starter lockout circuit.
  • 6262Starter Relay Driver Circuit - Voltage Below Normal or Shorted to Low Source. Low voltage detected at starter lockout circuit.
  • 6263Fan Control Circuit - Voltage Above Normal or Shorted to High Source. Open circuit or high voltage detected at the fan control circuit.
  • 6264Fan Control Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the fan control circuit when commanded ON.
  • 6265Aftertreatment 1 Diesel Particulate Filter System - Mechanical System Not Responding or Out of Adjustment
  • 6266Aftertreatment SCR Intermediate Gas Temperature Sensor - Data erratic, intermittent or incorrect. The aftertreatment SCR intermediate temperature sensor reading is irrational.
  • 6267Aftertreatment SCR Intermediate Gas Temperature Sensor - Data erratic, intermittent or incorrect. The aftertreatment SCR intermediate temperature sensor reading is irrational.
  • 6268Aftertreatment SCR Outlet Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source. High signal voltage detected at the SCR outlet temperature sensor circuit.
  • 629Turbocharger 1 Compressor Inlet Pressure - Data Valid But Below Normal Operating Range - Moderately Severe Level
  • 6315Hybrid System OBD Related DTC Status- Root Cause Not Known. Unexpected data link communications between the ECM and the Hybrid system controller have occurred.
  • 6336Crankcase Breather Filter Heater Circuit - Voltage Above Normal or Shorted to High Source
  • 6337Crankcase Breather Filter Heater Circuit - Voltage Below Normal or Shorted to Low Source
  • 6338SAE J1939 Multiplexing Configuration Error - Out of Calibration
  • 6339SAE J1939 Multiplexing PGN Timeout Error - Abnormal Update Rate. The ECM expected information from a multiplexed device but did not receive it soon enough or did not receive it at all.
  • 6341SAE J1939 Multiplexing Configuration Error - Out of Calibration. The ECM expected information from a multiplexed device but only received a portion of the necessary information.
  • 6342SAE J1939 Multiplexing PGN Timeout Error - Abnormal Update Rate. The ECM expected information from a multiplexed device but did not receive it soon enough or did not receive it at all.
  • 6343SAE J1939 Multiplexing Configuration Error - Out of Calibration. The ECM expected information from a multiplexed device but only received a portion of the necessary information.
  • 6412Propulsion System Active - Root Cause Not Known. Unexpected data link communications between the ECM and the propulsion system have occurred.
  • 6416Particulate Trap Active Regeneration Inhibited Due to Inhibit Switch - Condition Exists. Regeneration of the diesel particulate filter has been prevented due to the permit switch being disabled.
  • 6417SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor System - Received Network Data In Error. The OEM vehicle electronic control unit (VECU) detected a fault with the remote accelerator.
  • 6418Engine Brake Actuator Driver 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 6419Engine Brake Actuator Driver 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 6421Engine Brake Actuator Driver Output 2 Circuit - Voltage Above Normal or Shorted to High Source
  • 6422Engine Brake Actuator Driver Output 2 Circuit - Voltage Below Normal or Shorted to Low Source
  • 6432VGT Actuator Controller - Out of Calibration. The VGT actuator has been installed incorrectly.
  • 6456Engine Fan Clutch 2 Control Circuit - Voltage Above Normal or Shorted to High Source
  • 6457Engine Fan Clutch 2 Control Circuit - Voltage Below Normal or Shorted to Low Source
  • 6458Aftertreatment 1 Intake NOx Sensor - Data Not Rational - Drifted High
  • 6459Aftertreatment 1 Intake NOx Sensor - Data Not Rational - Drifted Low
  • 6461Aftertreatment 1 Intake NOx - Data Erratic, Intermittent, or Incorrect
  • 6462Aftertreatment 1 Outlet NOx Sensor - Data Not Rational - Drifted High
  • 6463Aftertreatment 1 Outlet NOx Sensor - Data Not Rational - Drifted Low
  • 6464Aftertreatment 1 Outlet NOx - Data Erratic, Intermittent, or Incorrect
  • 6467Fan Speed - Data Valid But Above Normal Operating Range - Least Severe Level
  • 6468Fan Speed - Data Valid But Below Normal Operating Range - Least Severe Level
  • 6469Fan Speed - Data Erratic, Intermittent, or Incorrect
  • 6471Engine Fan Blade Pitch Position Sensor Circuit - Voltage Above Normal or Shorted to High Source
  • 6472Engine Fan Blade Pitch Position Sensor Circuit - Voltage Below Normal or Shorted to Low Source
  • 6473Engine Fan Blade Pitch - Data Erratic, Intermittent, or Incorrect
  • 6475Aftertreatment 1 Diesel Exhaust Fluid Tank Heater - Mechanical System Not Responding or Out of Adjustment
  • 6476Aftertreatment 1 Diesel Exhaust Fluid Tank Heater - Data Valid But Below Normal Operating Range - Moderately Severe Level
  • 6477Aftertreatment Diesel Exhaust Fluid Line Heater Relay Circuit - Voltage Above Normal or Shorted to High Source
  • 6478Aftertreatment Diesel Exhaust Fluid Line Heater Relay Circuit - Voltage Below Normal or Shorted to Low Source
  • 6479Aftertreatment 1 Diesel Exhaust Fluid Tank Heater Circuit - Voltage Above Normal or Shorted to High Source
  • 6481Aftertreatment 1 Diesel Exhaust Fluid Tank Heater Circuit - Voltage Below Normal or Shorted to Low Source
  • 6482Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 Circuit - Current Below Normal or Open Circuit
  • 6483Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 Circuit - Current Below Normal or Open Circuit
  • 6484Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3 Circuit - Current Below Normal or Open Circuit
  • 6485Aftertreatment 1 Diesel Exhaust Fluid Pump Drive Percentage - Data Erratic, Intermittent, or Incorrect
  • 6486Aftertreatment 1 Diesel Exhaust Fluid Actual Dosing Quantity - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 649Change Lubricating Oil and Filter. Maintenance Monitor feature indicates the engine is due for a lubricating oil and filter change.
  • 6493Electronic Throttle Control Actuator Driver Circuit - Voltage Above Normal or Shorted to High Source
  • 6494Electronic Throttle Control Actuator Driver Circuit - Voltage Below Normal or Shorted to Low Source
  • 6497Engine Intake Throttle Actuator Position Sensor Circuit - Voltage Above Normal or Shorted to High Source
  • 6498Engine Intake Throttle Actuator Position Sensor Circuit - Voltage Below Normal or Shorted to Low Source
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