ECU - Engine Control Unit Diagnostic Trouble Codes (6081 JD Control Unit Level IX)

ECU - Engine Control Unit Diagnostic Trouble Codes (6081 JD Control Unit Level IX)
Control Unit SPN FMI Pri. Indicator Light Description Effect
ECU 91 09 2 Warning CAN Throttle Invalid indicates that the ECU either does not receive throttle information over CAN, or the information received is not valid. CAN bus problems, armrest control unit failure.
ECU 94 03 1 Stop Fuel Rail Pressure Input Voltage High indicates that the rail pressure input voltage exceeds a maximum voltage threshold of 4.75 volts. This voltage corresponds to a pressure that is higher than what is physically possible for rail pressure. An open in the ground circuit of the rail pressure sensor. Short in the harness to high voltage rail pressure sensor.
ECU 94 04 1 Stop Fuel Rail Pressure Input Voltage Low indicates that the rail pressure input voltage drops below 0.92 volts. This voltage corresponds to a pressure that is lower than what is physically possible for rail pressure. Rail pressure sensor not connected or open in the signal line. Rail pressure sensor supply connection open. Harness shorted to ground. Rail pressure sensor failure.
ECU 94 10 2 Warning Fuel Rail Pressure Loss Detected indicates that the engine control unit detects a sudden decrease in fuel pressure. High pressure leak in the fuel system.
ECU 94 13 1 Stop Fuel Rail Pressure Higher than Expected indicates that the engine control unit detected that the fuel rail pressure sensor is out of calibration. System tampering.
ECU 94 17 2   Fuel Rail Pressure Not Developed indicates that the engine control unit does not detect 10 MPa of fuel rail pressure after cranking the engine for approximately 3 seconds. Fuel system is not primed properly. No fuel is being supplied to the engine.
ECU 97 03 2   Water in Fuel Signal Voltage High indicates that the water in fuel input voltage exceeds 4.85 volts. This voltage corresponds to an amount of water in fuel that is not possible. Open circuit in the harness, either signal or ground. Water in fuel sensor failure.
ECU 97 04 2   Water in Fuel Signal Voltage Low indicates that the water in fuel input voltage is below 0.5 volts. This voltage corresponds to an amount of water in fuel that is not possible. Water in fuel sensor signal shorted to ground. Water in fuel sensor failed.

 

OUZXMAY,00005BD -19-13OCT02-1/7

ECU - Engine Control Unit Diagnostic Trouble Codes (6081 JD Control Unit Level IX)
Control Unit SPN FMI Pri. Indicator Light Description Effect
ECU 97 31 2   Water in Fuel Detected indicates that the water in fuel is above a predetermined quantity at any given time. Water has collected in the separator bowl.
ECU 100 01 1   Engine Oil Pressure Extremely Low indicates that the engine control unit senses an oil pressure below the shutdown value set point in the engine control unit. The shutdown value set point is dependent on engine speed. Loss of engine oil pressure. Oil pressure switch shorted to low source. Oil pressure switch failure.
ECU 100 04 2   Engine Oil Pressure Input Voltage Low indicates that the oil pressure switch is open with no engine speed.  
ECU 105 03 2   Manifold Air Temperature Input Voltage High indicates that the manifold air temperature input voltage exceeds 4.8 volts. This voltage corresponds to a temperature that is lower than what is physically possible for manifold air. Open circuit in the harness, either signal or ground. Manifold air temperature sensor failure.
ECU 105 04 2   Manifold Air Temperature Input Voltage Low indicates that the manifold air temperature input voltage drops below 0.1 volts. This voltage corresponds to a temperature that is higher than what is physically possible for manifold air. Manifold air temperature sensor signal shorted to ground. Manifold air temperature sensor failed.
ECU 105 16 2   Manifold Air Temperature Moderately High indicates that the engine control unit senses a manifold air temperature above the warning value set point in the engine control unit. The maximum value set point is 90°C (194°F). Cooling system performance has degraded or failed.
ECU 107 00 2   Air Filter Differential Pressure indicates that the engine control unit senses a high air pressure from the air vacuum switch. The air filter is plugged. There is another restriction in the intake system. The air filter switch has failed or closed.
ECU 110 00 1   Engine Coolant Temperature Extremely High indicates that the engine control unit senses a coolant temperature of 115°C (239°F). Cooling system performance has degraded or failed.

 

OUZXMAY,00005BD -19-13OCT02-2/7

ECU - Engine Control Unit Diagnostic Trouble Codes (6081 JD Control Unit Level IX)
Control Unit SPN FMI Pri. Indicator Light Description Effect
ECU 110 03 2   Engine Coolant Temperature Input Voltage High indicates that the engine coolant temperature input voltage exceeds 4.95 volts. This voltage corresponds to a temperature that is lower than what is physically possible for engine coolant. Open circuit in the harness, either signal or ground. Coolant temperature sensor failure.
ECU 110 04 2   Engine Coolant Temperature Input Voltage Low indicates that the engine coolant temperature input voltage drops below 0.1 volts. This voltage corresponds to a temperature that is higher than what is physically possible for engine coolant. Coolant temperature sensor signal shorted to ground. Coolant temperature sensor failed.
ECU 110 16 2   Engine Coolant Temperature Moderately High indicates that the engine control unit senses a coolant temperature of 105°C (221°F). Cooling system performance has degraded or failed.
ECU 111 01 1   Engine Coolant Level Low indicates that the loss of coolant switch contacts close causing the engine control unit to sense continuity to ground through the external shutdown / derate input terminal. Loss of engine coolant, coolant switch shorted to low source. Coolant switch failure.
ECU 158 17 2   Engine Control Unit Power Down Error indicates that the engine control unit is unable to complete proper power down procedures after detecting a key off condition. ECU failure. Key switch circuit not going to ground.
ECU 174 03 2   Fuel Temperature Input Voltage High indicates that the fuel temperature input voltage exceeds 4.95 volts. The voltage corresponds to a temperature that is lower than what is physically possible for fuel. Open circuit in the harness, either signal or ground. Fuel temperature sensor failure.
ECU 174 04 2   Fuel Temperature Input Voltage Low indicates that the fuel temperature input voltage is below 0.25 volts. This voltage corresponds to a temperature that is lower than what is physically possible for fuel. Fuel temperature sensor signal shorted to ground. Fuel temperature sensor failed.
ECU 174 16 2   Fuel Temperature High Moderately Severe indicates that the engine control unit detects a fuel temperature at the final fuel filter above 65°C (149°F). Cooling system performance has degraded or failed.

 

OUZXMAY,00005BD -19-13OCT02-3/7

ECU - Engine Control Unit Diagnostic Trouble Codes (6081 JD Control Unit Level IX)
Control Unit SPN FMI Pri. Indicator Light Description Effect
ECU 611 03 1   Electronic Injector Wiring Shorted To Power Source indicates that the engine control unit detects that injector wiring is shorted to a power source. A short to battery has occurred in the injector wiring.
ECU 611 04 1   Electronic Injector Wiring Shorted To Ground indicates that the engine control unit detects that injector wiring is shorted to ground. A short to ground has occurred in the injector wiring.
ECU 627 01 2   Electronic Injector Supply Voltage Problem indicates that the engine control unit detects an injector voltage supply problem. The battery supply to the ECU is unusually low. The ECU has failed.
ECU 629 13 1   Engine Control Unit Error indicates an engine control unit error. The ECU has failed. Reprogram / Replace ECU.
ECU 636 02 2   Pump Position Sensor Input Noise indicates that the engine control unit detects excessive noise (extra pulses) on the event sensor input. The connections to the sensor or the sensor has an intermittent failure. The sensing target is damaged.
ECU 636 08 2   Pump Position Sensor Input Missing indicates that the engine control unit does not detect the event sensor input. The connections to the sensor are open circuit. The sensor has failed.
ECU 636 10 2   Pump Position Sensor Input Pattern Error indicates that the engine control unit detects an improper pattern on the event sensor input. The sensing target is damaged. The sensor is improperly installed.
ECU 637 02 2   Crank Position Input Noise indicates that the engine control unit detects excessive noise (extra pulses) on the crank position input. The connections to the sensor or the sensor has an intermittent failure. The sensing target is damaged.
ECU 637 07 2   Engine Control Unit / Pump Timing Moderately Out of Sync indicates that the engine control unit detects that the event and crank inputs are not in sync with each other. The signal polarity is possibly incorrect due to mis-wiring. The high pressure pump is incorrectly mounted.
ECU 637 08 2   Crank Position Input Missing indicates that the engine control unit does not detect the crank position input. The connections to the sensor are open circuit. The sensor has failed.
ECU 637 10 2   Crank Position Input Pattern Error indicates that the engine control unit detects an improper pattern on the crank position input. The sensing target is damaged. The sensor is improperly installed.

 

OUZXMAY,00005BD -19-13OCT02-4/7

ECU - Engine Control Unit Diagnostic Trouble Codes (6081 JD Control Unit Level IX)
Control Unit SPN FMI Pri. Indicator Light Description Effect
ECU 651 05 2   Cylinder #1 Electronic Injector Circuit Open indicates that the engine control unit detects an open in the cylinder #1 electronic circuit. Open circuit in the injector wiring, on either connection. Injector solenoid failure.
ECU 651 06 2   Cylinder #1 Electronic Injector Circuit Shorted indicates that the engine control unit detects a short in the cylinder #1 electronic circuit. Injector solenoid failure. Short across the injector wires.
ECU 651 07 2   Cylinder #1 Electronic Injector Mechanical Failure indicates that the engine control unit detects a short in the cylinder #1 electronic circuit. Injector is not working. Injector flow limiter is closed.
ECU 652 05 2   Cylinder #2 Electronic Injector Circuit Open indicates that the engine control unit detects an open in the cylinder #2 electronic circuit. Open circuit in the injector wiring, on either connection. Injector solenoid failure.
ECU 652 06 2   Cylinder #2 Electronic Injector Circuit Shorted indicates that the engine control unit detects a short in the cylinder #2 electronic circuit. Injector solenoid failure. Short across the injector wires.
ECU 652 07 2   Cylinder #2 Electronic Injector Mechanical Failure indicates that the engine control unit detects a short in the cylinder #2 electronic circuit. Injector is not working. Injector flow limiter is closed.
ECU 653 05 2   Cylinder #3 Electronic Injector Circuit Open indicates that the engine control unit detects an open in the cylinder #3 electronic circuit. Open circuit in the injector wiring, on either connection. Injector solenoid failure.
ECU 653 06 2   Cylinder #3 Electronic Injector Circuit Shorted indicates that the engine control unit detects a short in the cylinder #3 electronic circuit. Injector solenoid failure. Short across the injector wires.
ECU 653 07 2   Cylinder #3 Electronic Injector Mechanical Failure indicates that the engine control unit detects a short in the cylinder #3 electronic circuit. Injector is not working. Injector flow limiter is closed.
ECU 654 05 2   Cylinder #4 Electronic Injector Circuit Open indicates that the engine control unit detects an open in the cylinder #4 electronic circuit. Open circuit in the injector wiring, on either connection. Injector solenoid failure.
ECU 654 06 2   Cylinder #4 Electronic Injector Circuit Shorted indicates that the engine control unit detects a short in the cylinder #4 electronic circuit. Injector solenoid failure. Short across the injector wires.

 

OUZXMAY,00005BD -19-13OCT02-5/7

ECU - Engine Control Unit Diagnostic Trouble Codes (6081 JD Control Unit Level IX)
Control Unit SPN FMI Pri. Indicator Light Description Effect
ECU 654 07 2   Cylinder #4 Electronic Injector Mechanical Failure indicates that the engine control unit detects a short in the cylinder #4 electronic circuit. Injector is not working. Injector flow limiter is closed.
ECU 655 05 2   Cylinder #5 Electronic Injector Circuit Open indicates that the engine control unit detects an open in the cylinder #5 electronic circuit. Open circuit in the injector wiring, on either connection. Injector solenoid failure.
ECU 655 06 2   Cylinder #5 Electronic Injector Circuit Shorted indicates that the engine control unit detects a short in the cylinder #5 electronic circuit. Injector solenoid failure. Short across the injector wires.
ECU 655 07 2   Cylinder #5 Electronic Injector Mechanical Failure indicates that the engine control unit detects a short in the cylinder #5 electronic circuit. Injector is not working. Injector flow limiter is closed.
ECU 656 05 2   Cylinder #6 Electronic Injector Circuit Open indicates that the engine control unit detects an open in the cylinder #6 electronic circuit. Open circuit in the injector wiring, on either connection. Injector solenoid failure.
ECU 656 06 2   Cylinder #6 Electronic Injector Circuit Shorted indicates that the engine control unit detects a short in the cylinder #6 electronic circuit. Injector solenoid failure. Short across the injector wires.
ECU 656 07 2   Cylinder #6 Electronic Injector Mechanical Failure indicates that the engine control unit detects a short in the cylinder #6 electronic circuit. Injector is not working. Injector flow limiter is closed.
ECU 1080 03 1   Fuel Rail Pressure Sensor Supply Voltage High indicates that the engine control unit detects a supply voltage that is higher than normal. The sensor supply connection to the rail pressure sensor is shorted to a higher voltage. The ECU has failed.
ECU 1080 04 1   Fuel Rail Pressure Sensor Supply Voltage Low indicates that the engine control unit detects a supply voltage that is lower than normal. The sensor supply connection to the rail pressure sensor is shorted to ground. The rail pressure sensor has failed.
ECU 1347 05 2   Pump Control Valve #1 Error indicates that the engine control unit detects an open or short in the pump control valve #1 wiring. A wiring connection to pump solenoid #1 is open. Wiring to pump solenoid #1 is shorted to ground. Pump solenoid #1 has failed.
ECU 1347 07 2   Fuel Rail Pressure Control Error indicates that the engine control unit detects fuel rail pressure 5 MPa above or below the expected pressure. The fuel filter is plugged or there is some other fuel restriction present. The high pressure pump has failed.

 

OUZXMAY,00005BD -19-13OCT02-6/7

ECU - Engine Control Unit Diagnostic Trouble Codes (6081 JD Control Unit Level IX)
Control Unit SPN FMI Pri. Indicator Light Description Effect
ECU 1347 10 2   Pump Control Valve #1 Fuel Flow Not Detected indicates that the pump element #1 is not delivering expected fuel flow. Pump element #1 is not working.
ECU 1348 05 2   Pump Control Valve #2 Error indicates that the engine control unit detects an open or short in the pump control valve #2 wiring. A wiring connection to pump solenoid #2 is open. Wiring to pump solenoid #2 is shorted to ground. Pump solenoid #2 has failed.
ECU 1348 10 2   Pump Control Valve #2 Fuel Flow Not Detected indicates that the pump element #2 is not delivering expected fuel flow. Pump element #2 is not working.
ECU 1569 31 2   Fuel Derate indicates that the engine control unit senses a coolant temperature of 105 °C (221 °F) (DTC ECU 000110.01 or ECU 000110.16 will also be present). One of the derate conditions exists on the engine.

 

OUZXMAY,00005BD -19-13OCT02-7/7