DOOSAN Excavator Fault Codes List DTC
FAULT CODE - NAME - FAULT DESCRIPTION
12 NONE Signifies the end of one pass through the fault list
14 ECTSensorInputLow Normally set if the coolant sensor wire is shorted to ground
15 ECTSensorInputHigh Set if the coolant sensor wire is disconnected or open
16 ECTRangeHigh Coolant sensor has measured an excessive temperature or shorted to GND
22 ThrottleSensorInputLo TPS1 signal wire is open
23 ThrottleSensorInputHi TPS1 signal wire is shorted
24 ThrottleSensorRangeLo TPS Sensor malfunction
25 ThrottleSensorRangeHi TPS Sensor malfunction
26 ETCSticking ETC driver signal wire is open or the throttle plate is sticking inside the throttle body
27 PredictedTPSDifference TPS1 is different than calculated position
28 ETCSpringTestFailed Throttle return spring failed keyup test
29 ETCDriverFault Throttle driver over-current or driver signals shorted
33 MapSensorInputLow MAP signal disconnected or open circuit
34 MapSensorInputHigh MAP signal shorted or sensor failure
37 IATSensorInputLow TMAP sensor failure or shorted circuit
38 IATSensorInputHigh TMAP disconnected or IAT signal open
42 EST1Low Coil driver signal low or under current
43 EST1High Coil driver signal high or over current
52 LowOilPressure Low engine oil pressure
53 BatterySensorInputLow Battery voltage measured below 8.0 VDC
54 BatterySensorInputHigh Battery voltage measured above 15.9 VDC
55 XDRPSensorInputLow Measured sensor transducer power is below 4.6 VDC
56 XDRPSensorInputHigh Measured sensor transducer power is above 5.2 VDC
57 Engine OverSpeed RPM increased above maximum rpm setpoint
61 Pedal1SensorInputLo APP1 signal disconnected, open circuit or sensor malfunction
62 Pedal1SensorInputHi APP1 sensor failure or shorted circuit
63 Pedal1SensorRangeLo APP1 potentiometer malfunction
64 Pedal1SensorRangeHi APP1 potentiometer malfunction
65 Pedal2SensorInputLo APP2 sensor failure or shorted signal
66 Pedal2SensorInputHi APP2 signal disconnected, open circuit or sensor malfunction
67 Pedal2SensorRangeLo APP2 potentiometer malfunction
68 Pedal2SensorRangeHi APP2 potentiometer malfunction
69 Pedal1ToPedal2Difference Measured APP2 pedal position signal is different than APP1
signal
71 AFRTrimValveOutput FTV modulation driver signal fault
72 AFRTrimValveLowerDC FTV duty cycle at lower (LEAN) limit
73 AFRTrimValveUpperDC FTV duty cycle at upper (RICH) limit
74 O2SensorSwitching O2 sensor not switching across the reference AFR voltage
77 OxygenSensorInputHigh O2 sensor signal shorted to +5 VDC