https://truckmanualshub.com/komatsu-service-repair-manuals-pdf/
https://truckmanualshub.com
KOMATSU FAULT CODES LIST
E02 PC-the EPC system;
E03, Swing parking brake system;
E10, the engine controller power failure, the engine control drive system circuit malfunction (this engine
stall;
E11, the engine control system failure (decrease of output power, in order to protect the engine);
E14, the feedback system abnormalities;
E15, engine sensors (temperature, fuel pressure, oil pressure) fault;
EOE, a network failure.
989L00 The fault code: the the engine controller lock warning (mode 1).
989M00, the engine controller to lock warning (mode 2).
989N00, the engine controller to lock warning (mode 3).
AA10NX air filter clogging.
AB00KE charging voltage is too low.
B @ BAZG, low oil pressure.
B @ BAZK, the oil level is too low.
B @ BCNS, engine coolant overheating.
The @ B BCZK the coolant level is too low.
B @ the HANS, the hydraulic oil from overheating.
CA111, the engine controller internal fault.
CA115, the engine speed sensor and backup speed sensor failure.
CA122, the intake air pressure sensor feedback voltage is too high failure.
CA123, the intake air pressure sensor feedback voltage is too low failure.
CA131, the throttle plate sensor feedback voltage failure.
CA132 throttle plate sensor feedback voltage and low failure.
CA144, high coolant temperature sensor feedback voltage fault 145, the coolant temperature sensor
feedback
voltage is too low failure;
CA153, intake air temperature sensor feedback voltage is too high failure;
CA154, intake air temperature sensor feedback voltage is too low failure;
CA155, the intake air temperature is too high (over limit);
CA187, sensor power supply voltage is too high failure;
CA221, the ambient pressure sensor feedback voltage is too high failure;
CA222, the ambient pressure sensor feedback voltage is too low failure;
CA227, sensor power supply voltage is too high failure;
CA234, engine overspeed;
CA238, the power supply voltage of the speed sensor failure;
CA271, IMV/PCV1 short circuit;
CA272, IMV/PCV1 circuit;
CA322, the nozzle an open circuit, short circuit fault;
CA323, nozzle, open circuit, short circuit fault;
CA324, nozzle, open circuit, short circuit fault;
CA325, nozzle, open circuit, short circuit fault;
CA331, the nozzle open circuit, short circuit fault;
CA332, nozzle, open circuit, short circuit fault;
CA342, the correction code is not correct;
CA351, jet drive circuit failure;
CA352, the sensor supply voltage is too low failure;
CA386, the sensor supply voltage is too high failure;
CA428, fuel moisture sensor feedback voltage is too high failure;
CA429, the fuel moisture sensor feedback voltage is too low failure;
CA435, engine oil pressure switch failure;
CA441, the battery voltage is too low failure;
CA442, the battery voltage is too high failure;
CA449, the common rail pressure is too high failure;
CA451, the common rail pressure sensor feedback value is too high failure;
CA452, the common rail pressure sensor feedback value is too low failure;
CA488, the intake air temperature is too high (torque decrease);