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Komatsu Dump Truck Fault Codes List: A011 to A260

Page 2 of 12 of the full Komatsu Dump Truck fault code list (1,115 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

Komatsu Dump Truck codes A011 to A260

  • A011Payload Meter Speed Sensor Signal Has Failed.
  • A013Body Up Switch Has Failed.
  • A014Payload Meter Checksum Computation Has Failed.
  • A016A Payload Meter Write To Flash Memory Has Failed.
  • A017A Payload Meter Flash Memory Read Has Failed.
  • A018Right Rear Flat Suspension Cylinder Warning.
  • A019Left Rear Flat Suspension Cylinder Warning.
  • A022Potential Damage to Suspension and Frame.
  • A026Payload Meter User Select Switch Has Failed
  • A027Payload Meter User Clear Switch Has Failed
  • A100An Open Circuit Breaker Has Been Detected On A Relay Board.
  • A101High Pressure Detected Across An Hydraulic Pump Filter.
  • A103Hydraulic Oil Temp - Tank Sensor Low
  • A104Hydraulic Oil Temp - Tank Sensor High
  • A105Fuel Level Sensor Is Shorted To Ground, Indicating A False High Fuel Level
  • A107GE Has Generated A Propel System Caution
  • A108GE Has Generated A Propel System Temperature Caution
  • A109GE Has Generated A Propel System Reduced Level Signal
  • A111A111 Is A Low Steering Pressure Warning For Storage By KOMTRAX Plus. It Is Designed To Filter Out Some Service And Operational Conditions That Would Otherwise Produce This Warning
  • A115Low Steering Precharge Pressure Is Detected
  • A117A117 Is A Low Brake Accumulator Pressure Warning For Storage By KOMTRAX Plus. It Is Designed To Filter Out Some Service And Operational Conditions That Would Otherwise Produce This Warning
  • A118Brake Pressure Is Low While Brake Lock Is Activated
  • A123GE Has Generated A Reduced Retarding Caution
  • A124GE Has Generated a No Propel / No Retard Warning
  • A125GE Has Generated A No Propel Warning
  • A126Oil Level In The Hydraulic Tank Is Low.
  • A127IM-Furnished +5 Volt Output For Sensors Is Low.
  • A128IM-Furnished +5 Volt Output For Sensors Is High.
  • A139A139 Is A Low Fuel Level Warning For Storage By KOMTRAX Plus And For Use By A310
  • A145Hydraulic Temperature Sensors Cause Advance Of Engine Rpm To Advance Level 1 For Cooling Of Hydraulic Oil.
  • A146Hydraulic Temperature Sensors Cause Advance Of Engine Rpm To Advance Level 2 For Cooling Of Hydraulic Oil.
  • A152Starter Has Failed.
  • A153Battery Voltage Is Low With The Truck In Operation.
  • A154Battery Charging Voltage Is Excessive.
  • A155Battery Charging Voltage Is Low.
  • A158Fuel Level Sensor Is Open Or Shorted High, Indicating A False low Fuel Level.
  • A159(A30003 only) The Battery 12 Volt Circuit Sensing Is Producing Low Readings.
  • A164(A30003 only) The Battery 12 Volt Circuit Sensing Is Producing High Readings.
  • A166Left Rear Hydraulic Oil Temperature Sensor Is Low
  • A167Right Rear Hydraulic Oil Temperature Sensor Is Low
  • A168Left Front Hydraulic Oil Temperature Sensor Is Low
  • A169Right Front Hydraulic Oil Temperature Sensor Is Low
  • A170Left Rear Hydraulic Oil Temperature Sensor Is High
  • A171Right Rear Hydraulic Oil Temperature Sensor Is High
  • A172Left Front Hydraulic Oil Temperature Sensor Is High
  • A173Right Front Hydraulic Oil Temperature Sensor Is High
  • A182(A30003 only) The Battery 12 Volt Battery Tap Has High Voltage.
  • A183(A30003 only) The Battery 12 Volt Battery Tap Has Low Voltage
  • A184J1939 Data Link Is Not Connected.
  • A190(A30003 only) The Automatic Lubrication System Has Announced A Fault.
  • A193Hydraulic Tank Oil Temperature Is High
  • A194Left Front Hydraulic Oil Temperature Is High.
  • A195Right Front Hydraulic Oil Temeperature is High
  • A196Left Rear Hydraulic Oil Temperature Is High
  • A197Right Rear Hydraulic Oil Temperature Is High
  • A198Hoist Pressure 1 Sensor Is High.
  • A199Hoist Pressure 2 Sensor Is High.
  • A1U0N3HC Desorb Request 1
  • A1U0N4HC Desorb Request 2
  • A200Steering Pressure Sensor Is High
  • A201Brake Pressure Sensor Is High
  • A202Hoist Pressure 1 Sensor Is Low
  • A203Hoist Pressure 2 Sensor Is Low
  • A204Steering Pressure Sensor Is Low
  • A205Brake Pressure Sensor Is Low
  • A206Ambient Temperature Sensor Is High
  • A207Ambient Temeperature Sensor is Low
  • A212Bad Truck Speed Signal
  • A213Parking Brake Should Have Applied But Is Detected As Not Having Applied.
  • A214Parking Brake Should Have Released But Is Detected As Not Having Released.
  • A215Brake Auto Apply Valve Circuit Is Defective.
  • A216An Open Or Short To Ground Has Been Detected In The Parking Brake Command Valve Circuit.
  • A223Excessive Engine Cranking Has Occurred Or A Jump Start Has Been Attempted.
  • A230Parking Brake Has Been Requested While Truck Is Still Moving
  • A231The Body Is Up While Traveling Or With Selector In Forward Or Reverse.
  • A233Drive System Control Link Is Not Connected
  • A235Steering Accumulator Is In The Process Of Being Bled Down.
  • A236The Steering Accumulator Has Not Properly Bled Down After 90 Seconds.
  • A237The CAN/RPC Connection To The Display Is Open.
  • A238Drive System And IM Are Reporting Different Park Brake Status
  • A239The Drive System And IM Are Reporting Different Brake Lock Status
  • A240The Key Switch Input To The Interface Module Is Open.
  • A242Fuel Gauge Within The Dash Display Panel Is Defective.
  • A243Engine Coolant Temperature Gauge Within the Dash Display Panel is Defective
  • A244Drive System Temperature Gauge Within the Dash Display Panel is Defective
  • A245Hydraulic Oil Temperature Gauge within the Dash Display Panel is Defective
  • A246Payload Meter Reports Truck Overload.
  • A247A247 Is A Low Steering Pressure Warning For Display To Operator. It Is Designed To Give Immediate Information To The Operator, Regardless Of The Cause Of The Problem.
  • A248The Status Indicator Module Within The Display Panel Is Defective
  • A249Red Warning Lamp Output Used To Drive The Steering Bleed Fault Lamp Is Shorted
  • A250Battery Voltage Is Low With The Truck Parked.
  • A251The Sonalert Used With The Display Panel (Driven By IM) Is Open Or Shorted To Ground
  • A252Start Enable Output Circuit Is Either Open Or Shorted To Ground.
  • A253Steering Bleed Circuit Is Not Open While Running,
  • A254The 5 Minute Idle Ccircuit Is Either Open Or Shorted To Ground.
  • A255IM Has Detected A Fault On IM Output 1N
  • A256Red Warning Lamp Output Used To Drive The Steering Bleed Fault Lamp Is Open
  • A257Payload CAN/RPC Is Not Connected.
  • A258Steering Accumulator Bleed Pressure Switch Circuit Is Defective.
  • A260Parking Brake Failure (Assumed If Truck Rolls After Application Of Parking Brake Of If Parking Brake Is Applied While Moving)
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