Diagnostic Trouble Codes on Engine Control Unit (ECU)

Light Diagnostic trouble code Description
yellow ECU 000028.03 Cruise control potentiometer, shorted circuit
yellow ECU 000028.04 Cruise control potentiometer, grounded or open circuit
blue ECU 000029.03 Hand throttle potentiometer, shorted circuit
blue ECU 000029.04 Hand throttle potentiometer, grounded or open circuit
yellow ECU 000084.02 Wheel speed sender, signal disrupted
yellow ECU 000084.31 Travel speed not correct
blue ECU 000091.03 Accelerator pedal potentiometer, shorted circuit
blue ECU 000091.04 Accelerator pedal potentiometer, grounded or open circuit
red ECU 000094.01 Fuel pressure very low
blue ECU 000094.03 Fuel pressure sender, shorted circuit
blue ECU 000094.04 Fuel pressure sender, grounded or open circuit
yellow ECU 000094.10 Drop in fuel pressure has been detected (Common Rail)
red ECU 000094.13 Fuel pressure is higher than expected (Common Rail)
yellow ECU 000094.17 Fuel pressure does not rise (Common Rail)
blue ECU 000094.18 Fuel pressure too low
yellow ECU 000097.16 Water has been detected in the fuel
red ECU 000100.01 Engine oil pressure is very low
blue ECU 000100.03 Engine oil pressure sender, shorted circuit
blue ECU 000100.04 Engine oil pressure sender, grounded or open circuit
yellow ECU 000100.18 Engine oil pressure is low
yellow ECU 000105.03 Air intake temperature sender, shorted circuit
yellow ECU 000105.04 Air intake temperature sender, grounded or open circuit
yellow ECU 000105.16 Air temperature in intake manifold is moderately high
red ECU 000110.00 Coolant temperature is very high
blue ECU 000110.03 Coolant temperature sender, shorted circuit
blue ECU 000110.04 Coolant temperature sender, grounded or open circuit
blue ECU 000110.15 Coolant temperature is slightly high
blue ECU 000110.16 Coolant temperature is high
yellow ECU 000158.17 Error during ECU power-down.
yellow ECU 000160.02 Wheel speed sender, signal disrupted
red ECU 000174.00 Fuel temperature is very high
yellow ECU 000174.03 Fuel temperature sender, shorted circuit
yellow ECU 000174.04 Fuel temperature sender, grounded or open circuit
blue ECU 000174.15 Fuel temperature is high
yellow ECU 000174.16 Fuel temperature is slightly high
blue ECU 000174.31 Fuel temperature sender defective
- ECU 000189.00 Engine speed derate
- ECU 000190.00 Engine racing excessively
yellow ECU 000190.02 Engine speed sender, signal distorted
- ECU 000190.16 Engine racing slightly
red ECU 000611.03 Short circuit in wiring of electronic injection nozzle
red ECU 000611.04 Grounded circuit in wiring of electronic injection nozzle
yellow ECU 000620.03 Sensor's supply voltage is too high
yellow ECU 000620.04 Sensor's supply voltage is too low
yellow ECU 000627.01 Problem with supply voltage to electronic injection nozzle
blue ECU 000627.04 Battery voltage is missing at ECU
red ECU 000629.13 Controller is connected to the wrong harness connector
red ECU 000629.19 Data sent by injection pump control unit is not complete
blue ECU 000632.02 Fuel shut-off fault
blue ECU 000632.05 Fuel shut-off not functioning
blue ECU 000636.02 Camshaft speed sender, signal distorted

 

OU12401,0000B32 -19-01JUL02-1/3

Light Diagnostic trouble code Description
blue ECU 000636.08 Camshaft speed sender, signal is missing
blue ECU 000636.10 Camshaft speed sender, signal is faulty
yellow ECU 000637.02 Crankshaft speed sender, signal distorted
yellow ECU 000637.07 Mismatch between crankshaft speed sender and camshaft speed sender
yellow ECU 000637.08 Crankshaft speed sender, signal is missing
yellow ECU 000637.10 Crankshaft speed sender, signal is faulty
yellow ECU 000651.05 Interruption in circuit of injection nozzle 1
yellow ECU 000651.06 Short in circuit of injection nozzle 1
yellow ECU 000651.07 Problem with injection rate at injection nozzle 1
yellow ECU 000652.05 Interruption in circuit of injection nozzle 2
yellow ECU 000652.06 Short in circuit of injection nozzle 2
yellow ECU 000652.07 Problem with injection rate at injection nozzle 2
yellow ECU 000653.05 Interruption in circuit of injection nozzle 3
yellow ECU 000653.06 Short in circuit of injection nozzle 3
yellow ECU 000653.07 Problem with injection rate at injection nozzle 3
yellow ECU 000654.05 Interruption in circuit of injection nozzle 4
yellow ECU 000654.06 Short in circuit of injection nozzle 4
yellow ECU 000654.07 Problem with injection rate at injection nozzle 4
yellow ECU 000655.05 Interruption in circuit of injection nozzle 5
yellow ECU 000655.06 Short in circuit of injection nozzle 5
yellow ECU 000655.07 Problem with injection rate at injection nozzle 5
yellow ECU 000656.05 Interruption in circuit of injection nozzle 6
yellow ECU 000656.06 Short in circuit of injection nozzle 6
yellow ECU 000656.07 Problem with injection rate at injection nozzle 6
yellow ECU 000676.03 Relay voltage of the fuel preheater's heating element is too high
blue ECU 000676.05 Relay voltage of the fuel preheater's heating element is too low
blue ECU 000729.03 Heater relay for electrical starting aid, shorted circuit
blue ECU 000729.05 Heater relay for electrical starting aid, open circuit
yellow ECU 000810.02 Transmission output speed sender, signal distorted
yellow ECU 000898.09 User interface controller is not transmitting any data (torque requirement)
blue ECU 000931.02 Actuating solenoid on injection pump, instable current regulation
blue ECU 000931.03 Pump control voltage, shorted circuit
blue ECU 000931.04 Pump control voltage, grounded or open circuit
yellow ECU 000931.15 Actuating solenoid on injection pump, excessively high current regulation
blue ECU 000931.31 Actuating solenoid on injection pump, no current regulation possible
blue ECU 001041.02 Faulty engine start signal
blue ECU 001041.03 Engine start signal, shorted circuit
blue ECU 001069.02 Control unit, incorrect input value
yellow ECU 001069.09 Invalid tire size
yellow ECU 001069.31 Fault in tire size
yellow ECU 001076.00 Injection pump's solenoid valve is closed for too long
yellow ECU 001076.01 Injection pump's solenoid valve is opened too briefly
red ECU 001076.02 Faulty injection pump
red ECU 001076.03 Solenoid valve of injection pump, excessively high current regulation
red ECU 001076.05 Solenoid valve of injection pump, open circuit
red ECU 001076.06 Solenoid valve of injection pump, grounded circuit
yellow ECU 001076.07 Status of injection pump's solenoid valve cannot be determined
red ECU 001076.10 Solenoid valve of injection pump, open circuit
blue ECU 001077.07 Fuel injection attempted but not commanded
blue ECU 001077.11 Injection pump supply voltage is out of specification
red ECU 001077.12 Injection pump internal fault
red ECU 001077.19 Data transmitted by engine control unit is incomplete (crankshaft speed)
yellow ECU 001077.31 Injection pump initiates engine protection

 

OU12401,0000B32 -19-01JUL02-2/3

Light Diagnostic trouble code Description
yellow ECU 001078.07 Crankshaft speed slightly below the lower threshold
blue ECU 001078.11 Set-up problem between injection pump control unit and engine control unit
yellow ECU 001078.31 Crankshaft speed out of specification by a wide margin
blue ECU 001079.03 5-volt power supply 1, shorted circuit
blue ECU 001079.04 5-volt power supply 1, grounded or open circuit
blue ECU 001080.03 5-volt power supply 2, shorted circuit
blue ECU 001080.04 5-volt power supply 2, grounded or open circuit
red ECU 001347.03 Injection pump valve, open circuit
red ECU 001347.05 Injection pump valve, grounded or open circuit
yellow ECU 001347.07 Problem with fuel supply
blue ECU 001485.02 Fault in relay for power supply to the injection pump
- ECU 001569.31 Fuel derate
red ECU 002000.06 Controller internal fault
yellow ECU 002000.13 Set-up error in BCU

 

OU12401,0000B32 -19-01JUL02-3/3