Armrest Control Unit (ACU) Diagnostic Trouble Codes

Armrest Control Unit (ACU) Diagnostic Trouble Codes
Diagnostic Trouble Code Display Solution
ACU 000158.04 Rear PTO system ACU Switched Supply Voltage Low. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Have your John Deere dealer repair as soon as possible.
ACU 000237.02
ACU 000237.14
ACU 000237.31		 Identification System VIN Security Problem. Have your John Deere dealer repair as soon as possible.
ACU 000628.02
ACU 000628.12
ACU 000629.11
ACU 000630.13		 Operator Controls Control Unit Fault. Restart tractor. If code still exists, have your John Deere dealer repair as soon as possible.
ACU 000974.02
ACU 000974.03
ACU 000974.04		 Operator Controls Hand Throttle Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 001079.03
ACU 001079.04		 Operator Controls ACU Sensor Supply 1 Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 001080.03
ACU 001080.04		 Operator Controls ACU Sensor Supply 2 Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 002000.09 Communication System ECU Message Missing. Check fuse F24.
ACU 002003.09 Communication System PTP Message Missing. Have your John Deere dealer repair as soon as possible.
ACU 002049.09 Communication System CAB Message Missing. Check fuse F22.
ACU 523775.02 Single Lever Control Single Lever Control (if equipped) Hand Presence Switch Problem. Move hand to show operator is in place. If code still exists, have your John Deere dealer repair as soon as possible.
ACU 523776.02
ACU 523801.02
ACU 523804.02
ACU 523804.03
ACU 523804.04
ACU 523805.02
ACU 523805.03
ACU 523805.04		 Single Lever Control Single Lever Control Problem. To keep working, use SCV controls 3 and 4. Go to CommandARM and disable single lever control. Have your John Deere dealer repair as soon as possible.
ACU 523923.02
ACU 523923.03
ACU 523923.04		 Operator Controls SCV I Control Lever Switch/Sensor Problem. Have your John Deere dealer repair as soon as possible.
ACU 523960.31 Operator Not In Seat Operator Not Seated During Shift Reverse Command. Change position in seat or depress clutch or brake pedal to indicate operator is present.
ACU 524018.31 Right-Hand Reverser RHR Neutral/Not Neutral Transition Fault. Have your John Deere dealer repair as soon as possible.
ACU 524019.31 Lever not in park RHR Neutral/Not Neutral Transition Fault. Have your John Deere dealer repair as soon as possible.
ACU 524020.31 Lever not in park Transmission In Gear at Power Up. Move shift lever to PARK and restart vehicle.

 

RW29387,0000482 -19-26MAR07-1/2

Armrest Control Unit (ACU) Diagnostic Trouble Codes
Diagnostic Trouble Code Display Solution
ACU 524021.31 Operator Controls Multiple Reverser Switches Conflict. Have your John Deere dealer repair as soon as possible.
ACU 524101.02 Operator Controls Front Hitch Valve Control Lever Switch/Sensor Circuit Conflict. Have your John Deere dealer repair as soon as possible.
ACU 524101.03
ACU 524101.04		 Operator Controls Front Hitch Valve Control Lever Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 524102.02 Operator Controls SCV V Control Lever Switch/Sensor Circuit Conflict. Have your John Deere dealer repair as soon as possible.
ACU 524102.03
ACU 524102.04		 Operator Controls SCV V Control Lever Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 524103.02 Operator Controls SCV IV Control Lever Switch/Sensor Circuit Conflict. Have your John Deere dealer repair as soon as possible.
ACU 524103.03
ACU 524103.04		 Operator Controls SCV IV Control Lever Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 524104.02 Operator Controls SCV III Control Lever Switch/Sensor Circuit Conflict. Have your John Deere dealer repair as soon as possible.
ACU 524104.03
ACU 524104.04		 Operator Controls SCV III Control Lever Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 524105.02 Operator Controls SCV II Control Lever Switch/Sensor Circuit Conflict. Have your John Deere dealer repair as soon as possible.
ACU 524105.03
ACU 524105.04		 Operator Controls SCV II Control Lever Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 524212.02 Operator Controls Rear Hitch Control Lever Switch/Sensor Circuit Conflict. Have your John Deere dealer repair as soon as possible.
ACU 524212.03
ACU 524212.04		 Operator Controls Rear Hitch Control Lever Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible.
ACU 524224.02 Operator Controls Rear PTO Switch Circuit Conflict. Cycle PTO switch (s) OFF and then ON. If code still exists, have your John Deere dealer repair as soon as possible.
ACU 524254.31 Operator Controls Transmission Enable Relay Circuit Fault. Have your John Deere dealer repair as soon as possible.

 

RW29387,0000482 -19-26MAR07-2/2