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Komatsu Engines Fault Codes List: 2363 to 2764

Page 4 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 2363 to 2764

  • 2363Engine Brake Actuator Driver Output 2 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2363 (HD)Engine Brake Actuator Driver Output 2 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2363 (HEAVY DUTY)Engine Brake Actuator Driver Output 2 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2363 (MIDRANGE)Engine Brake Actuator Driver Output 2 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2363 (MR)Engine Brake Actuator Driver Output 2 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2366Engine Brake Actuator Circuit #1 - Voltage Above Normal or Shorted to High Source
  • 2367Engine Brake Actuator Driver Output 2 Circuit - Voltage Above Normal or Shorted to High Source
  • 2367 (HD)Engine Brake Actuator Driver Output 2 Circuit - Voltage Above Normal or Shorted to High Source
  • 2367 (HEAVY DUTY)Engine Brake Actuator Driver Output 2 Circuit - Voltage Above Normal or Shorted to High Source
  • 2367 (MIDRANGE)Engine Brake Actuator Driver Output 2 Circuit - Voltage Above Normal or Shorted to High Source
  • 2367 (MR)Engine Brake Actuator Driver Output 2 Circuit - Voltage Above Normal or Shorted to High Source
  • 237External Speed Command Input (Multiple Unit Synchronization) - Data Erratic, Intermittent, or Incorrect
  • 2372Fuel Filter Differential Pressure - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2373Exhaust Gas Pressure Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 2374Exhaust Gas Pressure Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2375Exhaust Gas Recirculation (EGR) Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source
  • 2376Recirculation Exhaust Gas Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source
  • 2377Fan Control Circuit - Voltage Above Normal or Shorted to High Source
  • 238Sensor Supply 3 Circuit - Voltage Below Normal, or Shorted to Low Source
  • 2381Turbocharger Position Sensor Circuit - Shorted High
  • 2382Turbocharger Position Sensor Circuit - Shorted Low
  • 2383Variable Geometry Turbocharger Actuator Circuit - Current Below Normal, or Open Circuit
  • 2384 (B)VGT Actuator Driver Circuit - Voltage Below Normal, or Shorted to Low Source
  • 2384 (CL)VGT Actuator - Voltage Below Normal or Shorted to Low Source
  • 2385 (B)VGT Actuator Driver Circuit - Voltage Above Normal or Shorted to High Source
  • 2385 (CL)VGT Actuator - Voltage Above Normal or Shorted to High Source
  • 2386Turbocharger Actuator Motor Circuit - Current Above Normal
  • 2387Variable Geometry Turbocharger (VGT) Actuator Driver Circuit (Motor) - Mechanical System Not Responding or Out of Adjustment
  • 2388Variable Geometry Turbocharger Actuator Position Failed Automatic Calibration Procedure - Out of Calibration
  • 239Sensor Supply 3 Circuit - Voltage Above Normal or Shorted to High Source
  • 2398Ambient Air Temperature - Data Erratic, Intermittent, or Incorrect
  • 241Vehicle Speed Sensor Circuit - Data Erratic, Intermittent or Incorrect
  • 242Wheel-Based Vehicle Speed Sensor Circuit Tampering Has Been Detected - Abnormal Rate of Change
  • 2448Coolant Level - Data Valid But Below Normal Operational Range - Least Severe Level.
  • 2449VGT Actuator Controller - Out of Calibration
  • 245Fan Control Circuit - Voltage Below Normal or Shorted to Low Source
  • 2451Turbocharger Turbine Intake Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2468Engine Crankshaft Speed/Position - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2474Turbocharger 1 Speed - Data Erratic, Intermittent, or Incorrect
  • 248Exhaust Gas Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 249Ambient Air Temperature Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 253Engine Oil Level — Data Valid But Below Normal Operational Range — Most Severe Level
  • 2554Exhaust Pressure Sensor Circuit - Data Erratic, Intermittent, or Incorrect
  • 2555Engine Intake Air Heater 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 2556Engine Intake Air Heater 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2557Auxiliary Pulse Width Modulation Driver 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 2558Auxiliary Pulse Width Modulation Driver 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2559Transmission ECU to ECM Communication - Abnormal Update Rate
  • 256Ambient Air Temperature Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2571Engine Charge Air Cooler Outlet Temperature - Voltage Above Normal or Shorted to High Source
  • 2572Engine Charge Air Cooler Outlet Temperature - Voltage Below Normal or Shorted to Low Source
  • 261Engine Fuel Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2619Auxiliary Equipment Sensor Input 1 Engine Protection Critical - Special Instructions
  • 263Engine Fuel Temperature Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 2634VGT Actuator Controller - Bad Intelligent Device or Component
  • 2635VGT Actuator Driver Circuit - Condition Exists
  • 2636VGT Actuator Driver Circuit - Abnormal Update Rate
  • 2637 (BCL)Aftertreatment Diesel Oxidation Catalyst Face Plugged - Root Cause Not Known
  • 2637 (ISB, ISC, ISL)Aftertreatment Diesel Oxidation Catalyst Face Plugged - Root Cause Not Known
  • 2637 (ISX)Aftertreatment Diesel Oxidation Catalyst Face Plugged - Root Cause Not Known
  • 2637 (X)Aftertreatment Diesel Oxidation Catalyst Face Plugged - Root Cause Not Known
  • 2638Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency - Data Valid But Below Normal Operating Range - Least Severe Level
  • 2638 (BCL)Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency - Data Valid But Below Normal Operating Range - Least Severe Level
  • 2638 (ISB, ISC, ISL)Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency - Data Valid But Below Normal Operating Range - Least Severe Level
  • 2638 (ISX)Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency - Data Valid But Below Normal Operating Range - Least Severe Level
  • 2638 (X)Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency - Data Valid But Below Normal Operating Range - Least Severe Level
  • 2639Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But Above Normal Operating Range - Least Severe Level
  • 2639 (BCL)Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But Above Normal Operating Range - Least Severe Level
  • 2639 (ISB, ISC, ISL)Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But Above Normal Operating Range - Least Severe Level
  • 2639 (ISX)Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But Above Normal Operating Range - Least Severe Level
  • 2639 (X)Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But Above Normal Operating Range - Least Severe Level
  • 2646Engine Coolant Temperature - Condition Exists
  • 265Engine Fuel Temperature Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2659Engine Coolant Temperature - Condition Exists
  • 266Engine Fuel Temperature - Data Valid But Above Normal Operating Range - Most Severe Level
  • 2661At Least One Unacknowledged Most Severe Fault - Condition Exists
  • 2662At Least One Unacknowledged Moderately Severe Fault - Condition Exists
  • 268Injector Metering Rail 1 Pressure - Data Erratic, Intermittent, or Incorrect
  • 269Antitheft Password Valid Indicator — Data Erratic, Intermittent, or Incorrect
  • 2697Accelerator Pedal or Lever Idle Validation Circuit - Out of Calibration
  • 271Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 271 (B)High Fuel Pressure Solenoid Valve Circuit - Voltage Below Normal or Shorted to Low Source
  • 271 (CL)High Fuel Pressure Solenoid Valve Circuit - Voltage Below Normal or Shorted to Low Source
  • 272Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 272 (B)High Fuel Pressure Solenoid Valve Circuit - Voltage Above Normal or Shorted to High Source
  • 272 (CL)High Fuel Pressure Solenoid Valve Circuit - Voltage Above Normal or Shorted to High Source
  • 2732Aftertreatment Fuel Drain Valve Circuit - Voltage Above Normal or Shorted to High Source
  • 2734Start Enable Device 1 Canister Empty (Ether Injection) - Data Valid But Below Normal Operating Range - Least Severe Level
  • 2735Exhaust Gas Temperature Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source
  • 2736Exhaust Gas Temperature Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source
  • 2737Exhaust Gas Temperature - Data Valid But Above Normal Operating Range - Most Severe Level
  • 2738Start Enable Device 1 Circuit (Ether Injection) - Voltage Above Normal or Shorted to High Source
  • 2739Start Enable Device 1 Circuit (Ether Injection) - Voltage Below Normal or Shorted to Low Source
  • 275Fuel Pumping Element Number 1 (Front) - Mechanical System Not Responding Properly or Out of Adjustment
  • 2754Engine Diesel Particulate Filter Intake Pressure - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2754 (BCL)Engine Diesel Particulate Filter Intake Pressure - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2754 (ISB,ISC, ISL)Engine Diesel Particulate Filter Intake Pressure - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2754 (ISX)Engine Diesel Particulate Filter Intake Pressure - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2754 (X)Engine Diesel Particulate Filter Intake Pressure - Data Valid But Above Normal Operating Range - Moderately Severe Level
  • 2764Exhaust Gas Pressure - Data Valid but Above Normal Operating Range - Moderately Severe Level
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