Kobelco -10 Excavator Fault Code Analysis

February 25, 2026

Kobelco -10 Excavator Fault Code Analysis


ENGINESYSTEMERRORCODE LIST



Error CodePossible cause of failure
Error CodePossible cause of failure
Sensor related errors & related dialogsP0217Engine overheatInjector related errorsP1211Injector common 1 ground short
P2228Atmospheric pressure sensor circuit low inputP1214Injector common 2 ground short
P2229Atmospheric pressure sensor circuit high inputP1212Injector common 1 power source line short
P0192Common rail pressure sensor circuit low inputInjector related errorsP1215Injector common 2 power source line short
P0193Common rail pressure sensor circuit high inputP1212Injector common 1 open circuit
P0191Common rail pressure sensor malfunctionP1215Injector common 2 open circuit
P0237Boost pressure sensor circuit low inputP0201Injector circuit malfunction
   
-cylinder 1
P0108Boost pressure sensor circuit high inputP0202Injector circuit malfunction
   
-cylinder 2
P0117Coolant temperature sensor circuit low inputP0203Injector circuit malfunction
   
-cylinder 3
P0118Coolant temperature sensor circuit high inputP0204Injector circuit malfunction
   
-cylinder 4
P0182Fuel temperature sensor circuit low inputP0263Cylinder 1 contribution/ balance fault
P0183Fuel temperature sensor circuit high inputP0266Cylinder 2 contribution/ balance fault
Accelerator sensor related errorsP2120Accelerator sensor 1 and 2 malfunctionP0269Cylinder 3 contribution/ balance fault
P2122Accelerator sensor circuit 1 low voltageP0272Cylinder 4 contribution/ balance fault
P2123Accelerator sensor circuit 1 high voltageTurbo related errorsP0234Turbocharger over boost
P2127Accelerator sensor circuit 2 low voltageECU body related errorsP0611ECU charge circuit low input
P2128Accelerator sensor circuit 2 high voltageP0200ECU charge circuit high input
P1133Emergency accelerator sensor malfunction high inputP0605Flash ROM error
Rotation sensor related errorsP0335Engine speed main and sub sensor circuit malfunctionP0606CPU malfunction (Hard detection)
P0336Abnormal engine main rotation sensor pulse countP0607Monitoring IC malfunction in CPU
P0340Engine speed sub sensor circuit malfunctionP1601QR code failure
P0341Abnormal engine auxiliary rotation sensor pulse countMachine related errorsP0540Preheat circuit malfunction
Supply pump related errorsP0629Supply pump SCV malfunction (Power source line short)P0686Main relay malfunction





P0628Supply pump SCV malfunction (Full discharge mode)
P0219Engine overrun
P0088Excessive common rail pressureP0617Starter signal malfunction
P0088Excessive common rail pressure, supply pump excess forced feedCommunica- tion related errorsU110AEngine ECU CAN communication
P2635Supply pump abnormal pressure record
   
Supply pump SCV sticking




ERROR CODE LIST

Error CodeTrouble
A015Engine adjustment (A adjustment) is not adjusted yet or is   failed.
A025Pump proportional valve adjustment (B adjustment) is not   adjusted yet or is failed.
A035Unload valve adjustment (C adjustment) is not adjusted yet or   is failed.
A215Written data of ROM adjustment data is incorrect.
A225Writing of ROM adjustment data is incorrect.
A235Written data of ROM hour meter data is incorrect.
A245Writing of ROM hour meter data is incorrect.
A255Writing of proportional valve adjustment data is incorrect.
B012Incorrect output of boom up pressure sensor
B013Disconnection of boom up pressure sensor
B014Power short circuit of boom up pressure sensor
B022Incorrect output of boom down pressure sensor
B023Disconnection of boom down pressure sensor
B024Power short circuit of boom down pressure sensor
B032Incorrect output of arm-out pressure sensor
B033Disconnection of arm-out pressure sensor
B034Power short circuit of arm-out pressure sensor
B042Incorrect output of arm-in pressure sensor
B043Disconnection of arm-in pressure sensor
B044Power short circuit of arm-in pressure sensor
B052Incorrect output of bucket digging pressure sensor
B053Disconnection of bucket digging pressure sensor
B054Power short circuit of bucket digging pressure sensor
B062Incorrect output of bucket dump pressure sensor
B063Disconnection of bucket dump pressure sensor
B064Power short circuit of bucket dump pressure sensor
B072Incorrect output of swing right pressure sensor
B073Disconnection of swing right pressure sensor
B074Power short circuit of swing right pressure sensor
B082Incorrect output of swing left pressure sensor
B083Disconnection of swing left pressure sensor
B084Power short circuit of swing left pressure sensor
B092Incorrect output of travel right pressure sensor
B093Disconnection of travel right pressure sensor
B094Power short circuit of travel right pressure sensor
B102Incorrect output of travel left pressure sensor
B103Disconnection of travel left pressure sensor
B104Power short circuit of travel left pressure sensor
B113Disconnection of option selector position detect pressure   sensor
B114Power short circuit of option selector position detect pressure   sensor
B162Incorrect output of P1 side option pressure sensor
B163Disconnection of P1 side option pressure sensor
B164Power short circuit of P1 side option pressure sensor
B172Incorrect output of P2 side option pressure sensor
B173Disconnection of P2 side option pressure sensor
B174Power short circuit of P2 side option pressure sensor
C012Incorrect output of P1 pump pressure sensor
C013Disconnection of P1 pump pressure sensor
C014Power short circuit of P1 pump pressure sensor
C022Incorrect output of P2 pump pressure sensor
C023Disconnection of P2 pump pressure sensor
C024Power short circuit of P2 pump pressure sensor
C033Disconnection of boom head pressure sensor
C034Power short circuit of boom head pressure sensor
C043Disconnection of boom rod pressure sensor
C044Power short circuit of boom rod pressure sensor
D012Failure of output transistor ON of P1 unload proportional valve
D013Disconnection of P1 unload proportional valve
D022Failure of output transistor ON of P2 unload proportional valve
D023Disconnection of P2 unload proportional valve
D032Failure of output transistor ON of travel straight proportional   valve
D033Disconnection of travel straight proportional valve
D062Failure of output transistor ON of arm-in spool 2 proportional   valve
D063Disconnection of arm-in spool 2 proportional valve
D172Failure of output transistor ON of boom 2 proportional valve
D173Disconnection of boom 2 proportional valve
D182Failure of output transistor ON of boom 3 proportional valve
D183Disconnection of boom 3 proportional valve
E012Failure of output transistor ON of P1 pump proportional valve
E013Disconnection of P1pump proportional valve
E022Failure of output transistor ON of P2 pump proportional valve
E023Disconnection of P2 pump proportional valve
E032Failure of output transistor ON of option relief 1 proportional   valve
E033Disconnection of option relief 1 proportional valve
E042Failure of output transistor ON of option relief 2 proportional   valve
E043Disconnection of option relief 2 proportional valve
F011Failure of output transistor OFF and GND short circuit of power   boost SOL valve
F013Failure of output transistor ON and disconnection of power   boost SOL valve
F021Failure of output transistor OFF and GND short circuit of swing   parking SOL valve
F023Failure of output transistor ON and disconnection of swing   parking SOL valve
F031Failure of output transistor OFF and GND short circuit of   travel 1-2 speed SOL valve
F033Failure of output transistor ON and disconnection of travel 1-2   speed SOL valve
F041Failure of output transistor OFF and GND short circuit of   option selector SOL valve
F043Failure of output transistor ON and disconnection of option   selector SOL valve
F071Failure of output transistor OFF and GND short circuit of boom   M/I cut SOL valve
F073Failure of output transistor ON and disconnection of boom M/I   cut SOL valve
G032Overrun of Mechatro-controller direct input speed sensor
G033Disconnection of Mechatro controller direct input speed sensor
G042Overrun of received data from Mechatro-controller direct input   speed sensor and engine controller
G043Disconnection of received data from Mechatro-controller direct   input speed sensor and engine controller
H013Disconnection of acceleration potentiometer
H014Power short circuit of acceleration potentiometer
H023Disconnection of boom angle potentiometer
H024Power short circuit of boom angle potentiometer
H033Disconnection of arm angle potentiometer
H034Power short circuit of arm angle potentiometer
H091GND short circuit of fuel sensor
H093Disconnection of fuel sensor
H111GND short circuit of temperature sensor for hydraulic oil   clogging
H113Disconnection of temperature sensor for hydraulic oil clogging
H123Disconnection of swing speed sensor
H124Power short circuit of swing speed sensor
I111Reception error of CAN1 communication (passive error)
I113Reception error of CAN1 communication (time-out)
I121Transmission error of CAN1 communication (busoff)
I211Reception error of CAN2 communication (busoff)
I213Reception error of CAN2 communication (time-out)
I221Transmission error of CAN2 communication (busoff)
K014Adhesion of battery relay contact
R014Failure of arc prevention relay of wiper motor
R024Failure of normal rotation relay of wiper motor
R034Failure of reverse rotation relay of wiper motor
R044Failure of washer motor relay
R054Failure of bucket limitation relay
R134Failure of swing flasher right relay
R144Failure of swing flasher left relay
R154Failure of travel alarm relay
R164Failure of auto idle stop relay 2
R174Failure of engine emergency stop relay
R184Failure of lever lock relay
R214Failure   of safety relay






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