![]() Komatsu Error Codes list See also: Komatsu Service Repair Manuals PDF Komatsu Fault Codes E02 PC – EPC system E03, parking brake system E10, engine controller power failure, engine management system malfunction E11, engine control failure (reduction of output power to proĮ10, engine controller power failure, engine management system malfunctionĮ11, engine control failure (reduction of output power to protect the engine) Į15, engine sensor malfunction (temperature, fuel pressure, oil pressure) ĩ89L00 Error code: engine controller lockout warning (mode 1).ĩ89M00, motor controller for blocking the warning (mode 2).ĩ89N00, motor controller for blocking the warning (mode 3).ĪB00KE Charging voltage too low or missing.ĬA111, internal engine controller malfunction.ĬA115, engine crankshaft speed sensor and speed sensor malfunction.ĬA122, the feedback voltage of the intake air pressure sensor is too high.ĬA123, intake air pressure sensor feedback voltage is too low.ĬA131, throttle sensor feedback sensor failure.ĬA132, Throttle Sensor Feedback Pressure and Low Failure.ĬA144, coolant temperature high temperature sensor feedback fault 145, coolant temperature sensor feedback voltage too low or short circuit ĬA153, intake air temperature sensor feedback voltage is too high ĬA154, intake air temperature sensor feedback voltage is too low ĬA155, intake air temperature too high (excess) ĬA187, sensor supply voltage is too high ĬA221, the ambient pressure sensor feedback voltage is too high ĬA222, the ambient pressure sensor feedback voltage is too low ĬA227, sensor supply voltage is too high ĬA238, supply voltage from speed sensor failure ĬA322, injector open circuit, short circuit ĬA323, injector, open circuit, short circuit failure ĬA324, injector, open circuit, short circuit ĬA325, injector, open circuit, short circuit CA435, engine oil pressure switch failure ĬA331, nozzle open circuit, short circuit fault ĬA332, injector, open circuit, short circuit fault ĬA428, the feedback voltage of the fuel moisture sensor is too high ĬA429, the feedback voltage of the fuel moisture sensor is too low ĬA449, the total pressure in the reservoir is too high ĬA451, the common rail pressure sensor feedback value is too large ĬA452, Common Rail Pressure Sensor Feedback is too low ĬA488, intake air temperature too high (reduced torque) ĬA553, the total pressure in the manifold is too high ĬA559, the total pressure in the manifold is too low ĬA689, engine crankshaft speed sensor malfunction ĬA731, engine speed sensor signal phase failure ĬA2185, the power supply voltage of the throttle valve is too high ĬA2249, the total manifold pressure is too low ĬA2555, preheat suction too high voltage ĬA2556, pre-open the low voltage fault in the input ĭ19JKZ Elimination of code personalization ĭA22KK Pump solenoid supply voltage too low ĭGH2KB, hydraulic oil temperature sensor short circuit ĭHPAMA, before the pump pressure sensor is abnormal ĭHPBMA, after the pump pressure sensor is abnormal ĭHS3MA Stick to restore an abnormal pressure sensor PPC ĭHS4MA bucket used in an abnormal pressure sensor PPC
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