| Central Control Unit (CCU) Diagnostic Trouble Codes |
| Diagnostic Trouble Code |
Display |
Solution |
| CCU 000096.03 |
Fuel Level System |
Fuel Level Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible. |
| CCU 000096.17 |
Fuel Level Low |
Fuel Level Low. Check fuel level. |
CCU 000237.02
CCU 000237.14
CCU 000237.31 |
Identification System |
VIN Security Problem. Have your John Deere dealer repair as soon as possible. |
| CCU 000630.14 |
Rear PTO System |
Rear PTO Configuration Invalid. Have your John Deere dealer repair as soon as possible. |
CCU 001079.03
CCU 001079.04 |
Electrical system |
CCU Sensor Supply Voltage Problem (PTP Only). Have your John Deere dealer repair as soon as possible. |
| CCU 001086.18 |
Air Brake Pressure Low |
Air Brake Pressure Low. This code will generate when vehicle is started and air brake pressure is insufficient to disengage trailer brakes. It may be necessary to wait over 1 minute for brakes to release. Bleed excess moisture from air brake reservoir. |
| CCU 001638.00 |
Hydraulic Oil Temperature Very High |
Hydraulic Oil Temperature Very Hot. Check hydraulic oil level. Inspect transmission-hydraulic cooler and front grill for debris. If code returns, have your John Deere dealer repair immediately. |
CCU 001638.03
CCU 001638.04 |
Hydraulic System |
Hydraulic Oil Temperature Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible. |
| CCU 001638.16 |
Hydraulic Oil Temperature High |
Hydraulic Oil Temperature Hot. Check hydraulic oil level. Inspect transmission-hydraulic cooler. Restart vehicle and operate at rated speed for 1-2 minutes and if code returns, have your John Deere dealer repair as soon as possible. |
| CCU 1713.0 |
PowerShift Hydraulic Oil Filter Restricted |
Replace Hydraulic oil filters. If problem continues, see your John Deere dealer. |
| CCU 001883.00 |
Rear PTO Speed High |
Rear PTO Overspeed. Check throttle setting and make sure the correct shaft is installed. Restart vehicle. If code returns, have your John Deere dealer repair as soon as possible. |
| CCU 001883.01 |
Rear PTO System |
Rear PTO Underspeed. Make sure correct shaft is installed. Restart vehicle and select proper PTO engagement rate in the CommandCenter. If code returns, have your John Deere dealer repair as soon as possible. |
| CCU 001883.13 |
Rear PTO System |
Rear PTO Not Calibrated. Have your John Deere dealer repair as soon as possible. |
| CCU 002392.05 |
Backup alarm system |
Back Up Alarm Circuit Fault. Have your John Deere dealer repair as soon as possible. |
| CCU 002602.01 |
Hydraulic oil level low |
Hydraulic Oil Level Very Low. Check hydraulic oil level. |
| CCU 002602.02 |
Hydraulic System |
Hydraulic Oil Level Sensor Fault. Have your John Deere dealer repair as soon as possible. |
| CCU 002602.18 |
Hydraulic oil level low |
Hydraulic Oil Level Low. Check hydraulic oil level. |
| CCU 522260.02 |
Park System |
Wheel Speed Sensor Mismatch (PTP Only). Have your John Deere dealer repair as soon as possible. |
| CCU 522384.14 |
Rear PTO System |
4R PTO Inhibited (PTP Only). Vehicle is in a high reverse gear and is attempting to turn PTO ON. Slow engine and shift to a lower gear. |
| CCU 523851.02 |
Implement Mgmt System |
IMS Disabled Due to HCU. Have your John Deere dealer repair as soon as possible. |
| Central Control Unit (CCU) Diagnostic Trouble Codes |
| Diagnostic Trouble Code |
Display |
Solution |
CCU 523916.03
CCU 523916.04 |
Hydraulic oil filter system |
Hydraulic Oil Filter Restriction Sensor Circuit Voltage Problem. Have your John Deere dealer repair as soon as possible. |
| CCU 524016.04 |
Electrical system |
CCU Switched Supply Voltage Low. Have your John Deere dealer repair as soon as possible. |
| CCU 524224.02 |
Rear PTO System |
PTO Switch Voltage Mismatch. Have your John Deere dealer repair as soon as possible. |
| CCU 524224.14 |
PTO Switch |
Rear PTO Disabled. Turn all PTO switches off. Restart vehicle and if code returns, have your John Deere dealer repair as soon as possible. |
| CCU 524251.31 |
Rear PTO on |
Alert to Indicate Operator Not Present With Rear PTO On. Does not change PTO performance. |
| CCU 524252.05 |
Rear PTO System |
Rear PTO Solenoid Circuit Fault. Have your John Deere dealer repair as soon as possible. |
| CCU 524255.31 |
Rear PTO Remote Enabled |
Have your John Deere dealer repair as soon as possible. |