Engine Control Unit (ECU) Diagnostic Trouble Codes

Although diagnostic codes listed below are not a complete list of diagnostic trouble codes, they do reflect codes which may be observed while operating tractor and have corrective action operator can take. Many codes which appear may be corrected simply by cycling key switch or by following solution on CommandCenter™ page, then cycling key switch.

If corrective action cannot be taken after cycling power to tractor or if there are any questions, contact your John Deere™ dealer.

Diagnostic Trouble Code

Description

Solution

ECU 000027.03

EGR sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000027.04

EGR sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000027.07

EGR valve not responding or out of adjustment.

Engine power limited.

ECU 000051.03

Air Throttle valve position sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000051.04

Air Throttle valve position sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000051.07

Air throttle valve not responding or out of adjustment.

Engine power limited.

ECU 000051.14

EGR system fault.

Engine power limited.

ECU 000094.17

Fuel pressure low.

Check fuel supply and filters.

ECU 000094.18

Fuel pressure very low.

Engine power limited. Check fuel supply and filters.

ECU 000097.16

Water in fuel detected.

Drain Water Separator.

ECU 000100.01

Engine oil pressure extremely low.

Engine power limited. Check engine oil level.

ECU 000100.18

Engine oil pressure very low.

Engine power limited. Check engine oil level.

ECU 000101.00

Engine crankcase pressure extremely high.

Check open crankcase ventilation filter.

ECU 000101.16

Engine crankcase pressure very high.

Check open crankcase ventilation filter.

ECU 000102.03

Intake manifold air pressure sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000102.04

Intake manifold air pressure sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000102.07

Intake manifold air pressure sensor fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000103.00

Turbocharger speed extremely high.

Engine power limited. Reduce engine speed and load.

ECU 000105.00

Intake manifold air temperature extremely high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 000105.03

Intake manifold air temperature sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000105.04

Intake manifold air temperature sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000105.15

Intake Manifold air temperature high.

Reduce engine speed and load. Check cooling system for debris.

ECU 000105.16

Intake Manifold air temperature very high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 000107.00

Engine air filter is extremely restricted.

Engine power limited. Clean or replace air filter per operator’s manual.

ECU 000107.15

Engine air filter is restricted.

Clean or replace air filter per operator’s manual.

ECU 000107.16

Engine air filter is very restricted.

Engine power limited. Clean or replace air filter per operator’s manual.

ECU 000107.31

Engine air filter is restricted.

Engine power limited. Replace engine air filter.

ECU 000109.01

Coolant pressure extremely low.

Engine power limited. Check coolant level per operator’s manual.

ECU 000109.17

Coolant pressure low.

Engine power limited. Check coolant level per operator’s manual.

ECU 000109.18

Coolant pressure very low.

Engine power limited. Check coolant level per operator’s manual.

ECU 000109.31

Coolant pressure low.

Check coolant level per operator’s manual.

ECU 000110.00

Engine coolant temperature extremely high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 000110.15

Engine coolant temperature high.

Reduce engine speed and load. Check cooling system for debris.

ECU 000110.16

Engine coolant temperature very high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 000110.17

Engine coolant temperature low.

Check thermostat.

ECU 000111.01

Coolant level extremely low.

Engine power limited. Add coolant per operator’s manual.

ECU 000111.07

Coolant level sensor circuit fault.

Check coolant level per operator’s manual.

ECU 000111.17

Coolant level low.

Add coolant per operators manual.

ECU 000111.18

Coolant level very low.

Add coolant per operators manual.

ECU 000157.01

Fuel rail pressure extremely low.

Engine power limited. Check fuel supply.

ECU 000157.03

Fuel rail pressure sensor circuit fault.

Engine power limited.

ECU 000157.04

Fuel rail pressure sensor circuit fault.

Engine power limited.

ECU 000157.10

Fuel rail pressure fault.

Fuel rail pressure fault.

ECU 000157.17

Fuel rail pressure low when starting.

Check fuel level and filters.

ECU 000157.18

Fuel rail pressure very low.

Check fuel level and filters.

ECU 000160.02

Wheel speed signal missing.

Road speed limited. Troubleshooting required.

ECU 000168.01

Electrical System

Battery voltage extremely low. Reduce electrical load or increase engine speed to attempt recovery.

ECU 000174.00

Fuel temperature extremely high.

Engine power limited. Check cooling system for debris.

ECU 000174.16

Fuel temperature very high.

Check cooling system for debris.

ECU 000189.31

Engine System

A condition exists which is causing the engine to derate. Engine speed limited.

ECU 000190.00

Engine speed extremely high.

Reduce engine speed.

ECU 000190.16

Engine speed very high.

Reduce engine speed.

ECU 000412.00

EGR temperature extremely high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 000412.15

EGR temperature high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 000412.16

EGR temperature very high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 000611.03

Fuel injector circuit fault.

Engine power limited.

ECU 000611.04

Fuel injector circuit fault.

Engine power limited.

ECU 000612.03

Fuel injector circuit fault.

Engine power limited.

ECU 000612.04

Fuel injector circuit fault.

Engine power limited.

ECU 000637.08

Crankshaft position sensor signal fault.

Engine power limited.

ECU 000637.10

Crankshaft position sensor signal fault.

Engine power limited.

ECU 000641.00

Turbocharger actuator temperature extremely high.

Engine power limited.

ECU 000641.07

Turbocharger actuator self calibration fault.

Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000641.12

Turbocharger actuator self calibration fault.

Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000641.13

Turbocharger actuator calibration fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 000641.16

Turbocharger actuator temperature very high.

Reduce engine speed and load.

ECU 000651.02

Fuel injector #1 fault.

Engine speed limited.

ECU 000651.13

Fuel injector #1 calibration fault.

Engine speed limited.

ECU 000652.02

Fuel injector #2 fault.

Engine speed limited.

ECU 000652.13

Fuel injector #2 calibration fault.

Engine speed limited.

ECU 000653.02

Fuel injector #3 fault.

Engine speed limited.

ECU 000653.13

Fuel injector #3 calibration fault.

Engine speed limited.

ECU 000654.02

Fuel injector #4 fault.

Engine speed limited.

ECU 000654.13

Fuel injector #4 calibration fault.

Engine speed limited.

ECU 000655.02

Fuel injector #5 fault.

Engine speed limited.

ECU 000655.13

Fuel injector #5 calibration fault.

Engine speed limited.

ECU 000656.02

Fuel injector #6 fault.

Engine speed limited.

ECU 000656.13

Fuel injector #6 calibration fault.

Engine speed limited.

ECU 000676.14

Cold start aid circuit fault.

Check relay.

ECU 000970.31

Key authentication or control unit authentication failed.

Engine control unit commanded engine shutoff. Check that vehicle key is correct. Place key in OFF position. Restart engine to attempt recovery.

ECU 001069.31

Tire size incorrect.

Road speed limited. Troubleshooting required.. Recalibrate tire size.

ECU 001136.00

Engine control unit internal temperature extremely high

Engine speed limited.

ECU 001180.00

Exhaust manifold temperature extremely high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 001180.16

Exhaust manifold temperature very high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 001209.03

Exhaust pressure sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 001209.04

Exhaust pressure sensor circuit fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 001209.07

Exhaust pressure sensor fault.

Engine power limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 001569.31

Engine derated.

Engine power limited.

ECU 001761.01

Diesel exhaust fluid is extremely low.

Engine power and speed derated. Fill tank.

ECU 001761.17

Diesel exhaust fluid is low.

Fill diesel exhaust fluid tank.

ECU 001761.18

Diesel exhaust fluid is very low.

Engine power derated. Fill diesel exhaust fluid tank.

ECU 002630.00

Charge air cooler temperature extremely high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 002630.15

Charge air cooler temperature high.

Check cooling system for debris.

ECU 002630.16

Charge air cooler temperature very high.

Engine power limited. Reduce engine speed and load. Check cooling system for debris.

ECU 002659.03

EGR delta pressure sensor circuit fault.

Engine power limited. Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 002659.14

EGR system flow fault.

Engine power limited.

ECU 002790.16

Turbocharger outlet temperature extremely high.

Engine power limited. Reduce engine speed and load.

ECU 002791.07

Engine System

EGR valve position fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 002791.13

Engine System

EGR valve position fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 002795.03

Turbocharger position sensor circuit fault.

Engine power limited.

ECU 002795.04

Turbocharger position sensor circuit fault.

Engine power limited.

ECU 002795.07

Turbocharger position actuator fault.

Engine power limited.

ECU 002795.10

Turbocharger actuator control fault.

Engine power limited.

ECU 002795.31

Turbocharger actuator fault.

Check turbo linkage.

ECU 003216.12

Inlet NOx sensor fault.

SCR disabled.

ECU 003226.12

Outlet NOx sensor fault.

SCR disabled.

ECU 003246.00

Exhaust filter temperature extremely high.

Engine power limited.

ECU 003353.31

Alternator output fault.

Check drive belt.

ECU 003464.07

Engine System

Air throttle valve position fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003464.13

Engine System

Air throttle valve out of calibration. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003471.03

Exhaust Filter System

Fuel dosing control valve circuit fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003471.04

Exhaust Filter System

Fuel dosing control valve circuit fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003471.05

Exhaust Filter System

Fuel dosing control valve circuit fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003471.07

Fuel dosing control valve fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 003471.11

Fuel dosing control valve circuit fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 003480.01

Exhaust Filter System

Fuel dosing inlet pressure extremely low. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machinery availability.

ECU 003480.03

Fuel dosing inlet pressure sensor circuit fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 003480.04

Fuel dosing inlet pressure sensor circuit fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 003480.07

Exhaust Filter System

Fuel dosing inlet pressure fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machinery availability.

ECU 003482.03

Exhaust Filter System

Fuel dosing shutoff valve circuit fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003482.04

Exhaust Filter System

Fuel dosing shutoff valve circuit fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003482.05

Exhaust Filter System

Fuel dosing shutoff valve circuit fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003482.16

Fuel dosing shutoff valve fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 003556.16

Exhaust Filter System

Fuel dosing nozzle pressure very high. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003556.18

Exhaust Filter System

Fuel dosing nozzle pressure very low. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003659.04

Fuel injector #1 circuit fault.

Engine power limited.

ECU 003660.04

Fuel injector #2 circuit fault.

Engine power limited.

ECU 003661.04

Fuel injector #3 circuit fault.

Engine power limited.

ECU 003662.04

Fuel injector #4 circuit fault.

Engine power limited.

ECU 003663.04

Fuel injector #5 circuit fault.

Engine power limited.

ECU 003664.04

Fuel injector #6 circuit fault.

Engine power limited.

ECU 003711.14

Exhaust Filter System

Exhaust Filter inlet temperature low. Active Exhaust Filter cleaning unavailable.

ECU 003711.31

Exhaust Filter System

Exhaust Filter inlet temperature low. Active Exhaust Filter cleaning unavailable.

ECU 003719.13

Exhaust Filter System

Exhaust Filter recovery high. Exhaust filter system requires service.

ECU 003719.14

Exhaust filter extremely restricted.

Engine power limited. Start parked filter cleaning per operators manual.

ECU 003719.16

Exhaust filter restricted.

Engine power limited. Start parked filter cleaning per operators manual.

ECU 003720.15

Exhaust Filter System

Exhaust filter restricted with ash. Service filter per operators manual.

ECU 003720.16

Exhaust Filter System

Exhaust filter restricted with ash. Service filter per operators manual.

ECU 003936.00

Exhaust filter inlet and outlet temperature fault.

Engine power limited. Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003936.15

Unexpected temperature in exhaust filter.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 003936.16

Exhaust filter inlet and outlet temperature fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 004077.07

Exhaust Filter System

Fuel dosing inlet pressure fault. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 004334.01

Diesel exhaust fluid supply module pressure extremely low.

System disabled. Engine power limited.

ECU 004765.00

DOC inlet temperature extremely high.

Reduce load.

ECU 004765.12

DOC inlet temperature sensor fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 004766.12

DOC outlet temperature sensor fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 004766.15

Exhaust Filter System

DOC outlet temperature high. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 004766.16

Exhaust Filter System

DOC outlet temperature very high. Active exhaust filter cleaning unavailable

ECU 004766.17

Exhaust Filter System

DOC outlet temperature low. Cleaning aborted. Active exhaust filter cleaning unavailable.

ECU 004766.18

Exhaust Filter System

DOC outlet temperature low too often. Cleaning aborted. Active exhaust filter cleaning unavailable.

ECU 004795.13

Exhaust Filter System

Exhaust filter fault. Engine speed limited. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 004795.31

Exhaust filter fault.

Engine power limited.

ECU 005018.00

DOC unexpected temperature fault.

Engine power limited. Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 005018.15

Unexpected temperature in exhaust filter.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 005298.01

Exhaust filter system fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 005298.18

Exhaust filter system fault.

Active exhaust filter cleaning unavailable. Continued operation will result in loss of machine availability. Restart vehicle to attempt recovery.

ECU 005456.00

Exhaust Filter System

Fuel dosing temperature extremely high. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 005456.01

Exhaust Filter System

Fuel dosing temperature extremely low. Active Exhaust Filter cleaning unavailable. Continued operation will result in loss of machine availability.

ECU 520629.31

Engine System

Engine control unit programming fault. Reprogramming required.

ECU 521192.14

Immobilizer System

Key authentication or control unit authentication failed. Check immobilizer key.

ECU 521192.31

Key authentication or control unit authentication failed.

Check fuse. Troubleshooting required.

ECU 521214.14

Immobilizer System

Vehicle identification conflict. Use correct key.

ECU 523653.01

Engine System

Engine control unit circuit fault. Check fuse.

ECU 523653.14

Engine System

Battery disconnect switch operated prematurely. Continued improper operation will cause damage.

ECU 523665.01

Engine System

Engine control unit circuit fault. Check fuse.

ECU 523666.01

Engine control unit circuit fault.

Check fuse.


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