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Komatsu Engines Fault Codes List: 2765 to 3316

Page 5 of 11 of the full Komatsu Engines fault code list (1,067 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

Komatsu Engines codes 2765 to 3316

  • 2765Engine Injector Bank 1 Barcodes - Out of Calibration
  • 2771Aftertreatment 1 Outlet NOx Sensor - Abnormal Update Rate
  • 2772Aftertreatment Outlet NOx - Data Valid But Above Normal Operational Range - Least Severe Level
  • 2773Aftertreatment Outlet NOx - Data Valid but Above Normal Operational Range - Most Severe Level
  • 2777Particulate Trap Active Regeneration Inhibited Due to Inhibit Switch - Condition Exists
  • 2789Engine Coolant Temperature - Data Valid But Below Normal Operational Range - Moderately Severe Level
  • 284Engine Speed/Position Sensor (Crankshaft) Supply Voltage Circuit - Voltage Below Normal or Shorted to Low Source
  • 286SAE J1939 Multiplexing Configuration Error - Out of Calibration
  • 287SAE J1939 Multiplexing Accelerator Pedal or Lever Sensor System Error - Received Network Data Error
  • 2878Aftertreatment Fuel Drain Valve - Mechanical System Not Responding or Out of Adjustment
  • 288SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor System - Received Network Data In Error
  • 2881Aftertreatment Fuel Pressure Sensor - Data Valid But Below Normal Operational Range - Least Severe Level
  • 291Proprietary Datalink Error (OEM/Vehicle Datalink) — Abnormal Update Rate.
  • 292Auxiliary Temperature Sensor Input 1 - Special Instructions.
  • 293Auxiliary Temperature Sensor Input 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 294Auxiliary Temperature Sensor Input 1 Circuit - Voltage Below Normal, or Shorted to Low Source
  • 295Barometric Pressure — Data Erratic, Intermittent, or Incorrect
  • 295 (BCL)Barometric Pressure - Data Erratic, Intermittent, or Incorrect
  • 295 (ISB, ISC, ISL)Barometric Pressure - Data Erratic, Intermittent, or Incorrect
  • 295 (ISX)Barometric Pressure - Data Erratic, Intermittent, or Incorrect
  • 295 (X)Barometric Pressure - Data Erratic, Intermittent, or Incorrect
  • 296Auxiliary Pressure Sensor Input 2 - Special Instructions
  • 2961Exhaust Gas Recirculation Temperature - Data Valid But Above Normal Operational Range - Least Severe Level
  • 2962Exhaust Gas Recirculation Temperature - Data Valid But Above Normal Operational Range - Moderately Severe Level
  • 2963Engine Coolant Temperature High - Data Valid but Above Normal Operational Range - Least Severe Level
  • 2964Intake Manifold Temperature High - Data Valid But Above Normal Operating Range - Least Severe Level
  • 296 (A)Auxiliary Pressure Sensor Input 1 - Special Instructions
  • 296 (IRV)Auxiliary Pressure Sensor Input 1 - Special Instructions
  • 297Auxiliary Pressure Sensor Input 1 Circuit - Voltage Above Normal, or Shorted to High Source
  • 2973Intake Manifold Pressure Sensor Circuit - Data Erratic, Intermittent, or Incorrect
  • 2976Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Temperature - Data Erratic, Intermittent, or Incorrect
  • 298Auxiliary Pressure Sensor Input 1 Circuit - Voltage Below Normal, or Shorted to Low Source
  • 2998Engine Torque Limit Feature - Special Instructions
  • 3Exhaust Gas Pressure Sensor Number 1 Circuit - Data Erratic, Intermittent, or Incorrect.
  • 3132Instantaneous Estimated Brake Power - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 3133Aftertreatment 1 Diesel Particulate Filter Outlet Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source
  • 3134Aftertreatment 1 Diesel Particulate Filter Outlet Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source
  • 3135Aftertreatment 1 Diesel Particulate Filter Outlet Pressure - Data Erratic, Intermittent, or Incorrect
  • 3136Engine Exhaust Gas Recirculation Outlet Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source
  • 3137Engine Exhaust Gas Recirculation Outlet Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source
  • 3138Engine Exhaust Gas Recirculation Outlet Pressure - Data Erratic, Intermittent, or Incorrect
  • 3139Engine Air Shutoff Circuit - Voltage Above Normal or Shorted to High Source
  • 3141Engine Air Shutoff Circuit - Voltage Below Normal or Shorted to Low Source
  • 3142Aftertreatment 1 SCR Intake Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source
  • 3143Aftertreatment 1 SCR Intake Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source
  • 3144Aftertreatment 1 SCR Intake Temperature Sensor - Data Erratic, Intermittent, or Incorrect
  • 3145Aftertreatment SCR Intake Temperature Sensor - Abnormal Rate of Change
  • 3146Aftertreatment 1 SCR Outlet Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source
  • 3147Aftertreatment 1 SCR Outlet Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source
  • 3148Aftertreatment 1 SCR Outlet Temperature Sensor - Data Erratic, Intermittent, or Incorrect
  • 3149Aftertreatment SCR Outlet Temperature Sensor - Abnormal Rate of Change
  • 3151Aftertreatment 1 SCR Catalyst System Missing - Condition Exists
  • 3151 (HD)Aftertreatment SCR Catalyst Conversion Efficiency - Data Valid But Below Normal Operating Range - Moderately Severe Level
  • 3151 (HEAVY DUTY)Aftertreatment SCR Catalyst Conversion Efficiency - Data Valid But Below Normal Operating Range - Moderately Severe Level
  • 3151 (MIDRANGE)Aftertreatment SCR Catalyst System Missing - Condition Exists
  • 3151 (MR)Aftertreatment SCR Catalyst System Missing - Condition Exists
  • 3164Aftertreatment SCR Intake Temperature - Data Valid But Above Normal Operating Range - Least Severe Level
  • 3165Aftertreatment 1 SCR Outlet Temperature - Data Valid But Above Normal Operating Range - Most Severe Level
  • 3167Aftertreatment Doser - Data Valid But Below Normal Operating Range - Moderately Severe Level
  • 3168Aftertreatment Diesel Particulate Filter System - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 3186Tachograph Output Shaft Speed - Abnormal Update Rate
  • 319Real-Time Clock Power Interrupt - Data Erratic, Intermittent, or Incorrect
  • 3212Aftertreatment 1 Diesel Particulate Filter Outlet Temperature - Data Valid But Above Normal Operating Range - Most Severe Level
  • 3213Tachograph Output Shaft Speed - Received Network Data In Error
  • 322Injector Solenoid Driver Cylinder 1 Circuit - Current Below Normal or Open Circuit
  • 3223Aftertreatment Purge Air Actuator Circuit - Voltage Below Normal, or Shorted to Low Source
  • 3224Aftertreatment Purge Air Actuator Circuit - Voltage Above Normal or Shorted to High Source
  • 3225Aftertreatment Purge Air Actuator - Mechanical System Not Responding or Out of Adjustment
  • 3228Aftertreatment 1 Intake NOx Sensor - Data Erratic, Intermittent, or Incorrect
  • 3229Aftertreatment SCR Intake Temperature - Data Valid But Above Normal Operational Range - Most Severe Level
  • 323Injector Solenoid Driver Cylinder 5 Circuit - Current Below Normal, or Open Circuit
  • 3231Aftertreatment SCR Intake Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 3232Aftertreatment 1 Intake NOx Sensor - Abnormal Update Rate
  • 3235Aftertreatment SCR Outlet Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 3236Aftertreatment SCR Outlet Temperature - Data Valid But Above Normal Operating Range - Least Severe Level
  • 3237Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 3238Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 3239Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 Circuit - Voltage Above Normal or Shorted to High Source
  • 324Injector Solenoid Driver Cylinder 3 Circuit - Current Below Normal, or Open Circuit
  • 3241Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 Circuit - Voltage Below Normal or Shorted to Low Source
  • 3242Aftertreatment 1 Diesel Exhaust Fluid Tank Heater - Mechanical System Not Responding or Out of Adjustment
  • 3243Engine Cooling System Monitor - Data Valid But Below Normal Operating Range - Moderately Severe Level
  • 3245Aftertreatment 1 Diesel Particulate Filter System - Mechanical System Not Responding or Out of Adjustment
  • 325Injector Solenoid Driver Cylinder 6 Circuit - Current Below Normal, or Open Circuit
  • 3251Aftertreatment Diesel Oxidation Catalyst Intake Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 3253Aftertreatment Diesel Particulate Filter Intake Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 3254Aftertreatment Diesel Particulate Filter Intake Temperature - Data Valid But Above Normal Operating Range - Least Severe Level
  • 3255Aftertreatment Diesel Particulate Filter Outlet Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 3256Aftertreatment Diesel Particulate Filter Outlet Temperature - Data Valid But Above Normal Operating Range - Least Severe Level
  • 3258Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 Circuit - Current Below Normal or Open Circuit
  • 3261Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 Circuit - Current Below Normal or Open Circuit
  • 327Fuel Consumption Rate - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 3273Aftertreatment Diesel Exhaust Fluid Line Heater 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 331Injector Solenoid Driver Cylinder 2 Circuit - Current Below Normal, or Open Circuit
  • 3311Aftertreatment 1 Diesel Particulate Filter Intake Temperature - Data Valid But Above Normal Operating Range - Most Severe Level
  • 3312Aftertreatment 1 Diesel Particulate Filter Outlet Temperature - Data Valid But Above Normal Operating Range - Most Severe Level
  • 3313Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source
  • 3314Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source
  • 3315Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature - Data Erratic, Intermittent, or Incorrect
  • 3316Aftertreatment 1 Diesel Particulate Filter Intake Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source
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