John Deere 523829.13 – SCO: Return-to-Position Function Not Calibrated

Generated when the control software detects that the return-to-position limits for the Electronic Selective Control Valves (E-SCVs) have not been learned or calibrated. When this code is active, the SCV function is limited, and the return-to-position functionality is disabled.

• 6110R
• 6120R
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R
• 8295R
• 7720
• 7820
• 7920
• 8120
• 8220
• 8320
• 8420
• 8520
• 9120
• 9220
• 9320
• 9420
• 9520
• 9620
• 7660
• 7760

1. 1

   Check for accompanying CAN bus communication errors, stepper motor temperature codes (e.g., 523869.00), or low supply voltage codes (e.g., 523869.18). If the SCO module lacks proper voltage or CAN communication, calibration will fail.

2. 2

   Ensure the tractor is stationary, the hydraulic oil is at the proper level, and the fluid is at normal operating temperature.

3. 3

   Ensure the multi-function lever and SCV control levers move freely without physical obstruction.

1. 1

   Connect diagnostic tool

   Connect John Deere Service ADVISOR (or a capable aftermarket diagnostic tool like TEXA) to the machine's diagnostic port.

2. 2

   Turn ignition ON

   Turn the ignition key to the ON position (engine running may be required depending on the specific model to maintain hydraulic pressure).

3. 3

   Access SCO module

   Access the SCO (SCV Controller) module in the diagnostic software.

4. 4

   Select calibration routine

   Navigate to the Calibrations menu and select the SCV / Return-to-Position Calibration routine.

5. 5

   Perform calibration

   Follow the on-screen prompts. The system will typically ask you to move the SCV levers through their full range of motion (maximum extend, maximum retract, and float) so the controller can learn the stepper motor and potentiometer limits.

6. 6

   Save and cycle ignition

   Once the software confirms the calibration is successful, save the settings and cycle the ignition key.

7. 7

   Clear code and test

   Clear the 523829.13 fault code and physically test the SCV return-to-position function to ensure it operates correctly.

8. 8

   Replace components if calibration fails

   If the calibration repeatedly fails, the SCV stepper motor, the wiring harness, or the SCO controller itself may be faulty and require replacement.