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Komatsu Track Dozer Fault Codes List & Code Lookup

Look up 1,253 Komatsu Track Dozer fault codes and error codes, in plain English. 4 of them have a full guide covering what the code means, what triggers it, the most common causes, and the first things to check before you call the dealer.

Komatsu Track Dozer fault code guides

Full Komatsu Track Dozer fault code list

None of these map to a J1939 SPN or FMI, so they read only on Komatsu Track Dozer tooling. Every listed code is below, in code order, 100 to a page.

Codes on file

1,253

Readable as J1939 SPN/FMI

0

Komatsu Track Dozer-specific

1,253

  • 1380MWLockup Clutch: Clutch Slip
  • 1500L0Transmission Clutch: (Steering and Transmission Controller System)
  • 15E0MWTransmission Clutch: Clutch Slip
  • 15SAL1Forward clutch: Fill signal is ON when command current is OFF (Steering and transmission controller system)
  • 15SALHForward clutch: Fill signal is OFF when command current is ON (Steering and transmission controller system)
  • 15SBL1Reverse clutch: Fill signal is ON when command current is OFF (Steering and transmission controller system)
  • 15SBLHReverse clutch: Fill signal is OFF when command current is ON (Steering and transmission controller system)
  • 15SEL11st clutch: Fill signal is ON when command current is OFF (Steering and transmission controller system)
  • 15SELH1st clutch: Fill signal is OFF when command current is ON (Steering and transmission controller system)
  • 15SFL12nd clutch: Fill signal is ON when command current is OFF (Steering and transmission controller system)
  • 15SFLH2nd clutch: Fill signal is OFF when command current is ON (Steering and transmission controller system)
  • 15SGL13rd clutch: Fill signal is ON when command current is OFF (Steering and transmission controller system)
  • 15SGLH3rd clutch: Fill signal is OFF when command current is ON (Steering and transmission controller system)
  • 15SJL1Lockup Clutch Fill Switch ON Failure (Power Train Controller System)
  • 15SJLHLockup Clutch Fill Switch OFF Failure (Power Train Controller System)
  • 1800MWPower Train Clutch Slipping (Power Train Controller System)
  • 2201L1Right Steering Clutch Oil Pressure 1 (Command Current is OFF but Fill Signal is ON)
  • 2201LHRight Clutch Oil Pressure: Command Current ON And Fill Signal OFF
  • 2202L1Left Clutch Oil Pressure: Command Current OFF And Fill Signal ON
  • 2202LHLeft Clutch Oil Pressure: Command Current ON And Fill Signal OFF
  • 2300KMStall in 1st gear speed
  • 2300NRBrake Thermal Load: Abnormal Heating
  • 2301L1Right Steering Brake Oil Pressure 1 (Command Current is OFF but Fill Signal is ON)
  • 2301LHRight Steering Brake Oil Pressure 2 (Command Current is ON but Fill Signal is OFF)
  • 2301NRRight Steering Brake Thermal Load: Abnormal Heating
  • 2302L1Left Steering Brake Oil Pressure 1 (Command Current is OFF But Fill Signal is ON)
  • 2302LHLeft Steering Brake Oil Pressure 2 (Command Current is ON but Fill Signal is OFF)
  • 2302NRLeft Steering Brake Thermal Load: Abnormal Heating
  • 2303NRLeft Steering Brake Thermal Load
  • 6001ZKFailure Code for Design
  • 6091NXHST Charge Filter Element: Clogging
  • 7RFAKAECM ACC Cut Relay: Disconnection
  • 7RFAKBECM ACC Cut Relay: Short Circuit
  • 879AKAA/C Inner Sensor Open Circuit
  • 879AKBA/C Inner Sensor Short Circuit
  • 879BKAA/C Outer Sensor Open Circuit
  • 879BKBA/C Outer Sensor Short Circuit
  • 879CKAVentilating Sensor Open Circuit
  • 879CKBVentilating Sensor Short Circuit
  • 879DKZSunlight Sensor Open or Short Circuit
  • 879EMCVentilation Damper Abnormality
  • 879FMCAir Mix Damper Abnormality
  • 879GKXRefrigerant Abnormality
  • 989L00Engine Controller Lock Caution 1 (Machine Monitor System)
  • 989M00Engine Controller Lock Caution 2 (Machine Monitor System)
  • 989N00Engine Controller Lock Caution 3 (Machine Monitor System)
  • A000N1Engine: Overruns (N1) (Engine Controller System)
  • A000NSEngine: Overheat
  • A1U0N3HC Desorb Request 1 (Engine Controller System)
  • A1U0N4HC Desorb Request 2 (Engine Controller System)
  • A70XLKGovernor Servo System Right
  • A70YLKGovernor Servo System Left
  • AA10NXAir Cleaner Clogging (Machine Monitor System)
  • AA1ANXAir Cleaner: Clogging
  • AB00KECharging Voltage Low (Machine Monitor System)
  • AB00MAAlternator: Malfunction (Steering and Transmission Controller System)
  • AD00L2Common Rail: Abnormal Fuel Pressure (Engine Controller System)
  • AD00MACommon Rail: See The List. (MA) (Engine Controller System)
  • AD10L3Fuel Supply Pump: See The List. (L3) (Engine Controller System)
  • AD10MAFuel Supply Pump: Defective Function (MA) (Engine Controller System)
  • AD10MBFuel Supply Pump: Function Reduction (MB) (Engine Controller System)
  • AD11KAFuel Supply Pump Solenoid 1: Disconnection In Wiring (KA) (Engine Controller System)
  • AD11KBFuel Supply Pump Solenoid 1: Short Circuit (KB) (Engine Controller System)
  • AD51KAFuel Supply Pump Solenoid 2: Disconnection In Wiring (KA) (Engine Controller System)
  • AD51KBFuel Supply Pump Solenoid 2: Short Circuit (KB) (Engine Controller System)
  • ADA1KANo.1 Injector Solenoid: Disconnection In Wiring (KA) (Engine Controller System)
  • ADAZKBNo.1, 2, and 3 Injector Solenoids: Short Circuit (KB) (Engine Controller System)
  • ADB1KANo.2 Injector Solenoid: Disconnection In Wiring (KA) (Engine Controller ySstem)
  • ADC1KANo.3 Injector Solenoid: Disconnection In Wiring (KA) (Engine Controller System)
  • ADD1KANo.4 Injector Solenoid: Disconnection In Wiring (KA) (Engine Controller System)
  • ADDZKBNo.4, 5, and 6 Injector Solenoids: Short Circuit (KB) (Engine Controller System)
  • ADE1KANo. 5 Fuel Injector Solenoid: Disconnection (KA) (Engine Controller System)
  • ADF1KANo.6 Fuel Injector Solenoid: Disconnection (KA) (Engine Controller System)
  • B130KASafety Relay: Short Circuit
  • B@BAZGEngine Oil: Oil Pressure Reduction (ZG) (Mechanical System)
  • B@BAZKEngine Oil: Oil Level Reduction
  • B@BCNSRadiator Coolant: Overheat (NS) (Mechanical System)
  • B@BCZKRadiator Coolant: Level Reduction (ZK) (Mechanical System)
  • B@BEBFWater Gets Mixed With Fuel
  • B@BFZKFuel Level Abnormal Reduction
  • B@CENSPower Line Oil Overheat (Power Train Controller System)
  • B@CHZGHSS Charge Pressure: Oil Pressure Reduction (Mechanical System)
  • B@CHZKPower Train Oil: Oil Level Reduction
  • B@CRNSHST Oil: Overheating
  • B@CRZGHST Oil: Lowering of Oil Pressure
  • B@GAZKBattery Electrolyte Level: Electrolyte Level Reduction
  • B@HANSHydraulic Oil Overheating (Power Train Controller System)
  • B@HAZKHydraulic Oil: Level Reduction
  • C111KTAbnormality in Engine Controller Memory
  • C112LKAbnormality in Timing Rail Actuator
  • C113KZAbnormal Current in Timing Rail Actuator System
  • C115KZAbnormality in Engine Speed Sensor 2 Systems
  • C116KXAbnormally High Level in Timing Rail Pressure Sensor System
  • C117KXAbnormally Low Level in Timing Rail Pressure Sensor System
  • C118KXAbnormally High Level in Fuel Pump Pressure Sensor System
  • C119KXAbnormally Low Level in Fuel Pump Pressure Sensor System
  • C121LCAbnormality in Engine Speed Sensor 1 Systems
  • C122KXAbnormally High Level in Boost Pressure Sensor System
  • C123KXAbnormally Low Level in Boost Pressure Sensor System
  • C130KANeutral Safety Relay Disconnection

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