John Deere 522777.02 – XMC / XSC: Steering Wheel Position Sensor, Values in Channel 1 and Channel 2 Not in Correct Ratio

Generated when the values of the steering wheel position sensor's Channel 1 and Channel 2 differ by more than 5 percent. A discrepancy indicates a problem with the sensor's accuracy, causing the control software to limit or disable certain AutoTrac™ or automated steering functions to prevent erratic steering behavior.

• 6110M
• 6120M
• 6130M
• 6145M
• 6155M
• 6175M
• 6195M
• 6110R
• 6120R
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R
• 6145J
• 6165J
• 6180J
• 6205J
• 7030 Premium Series
• 8245R
• 8R Series
• 8RT Series
• 8RW Series
• 8400R

1. 1

   Inspect the wiring harness and connectors connected to the steering wheel position sensor on the steering column for damage, disconnection, or corrosion.

2. 2

   Use Service ADVISOR to monitor live values of both sensor channels to identify if one channel is dropping out or consistently deviating from the expected ratio.

3. 3

   Verify the sensor is securely mounted and properly aligned, as loose or misaligned sensors can cause inaccurate dual-channel readings.

4. 4

   Check for electrical interference affecting the sensor from nearby components or damaged shielding.

1. 1

   Repair Wiring

   If any damaged wiring or corroded pins were found during the diagnostic phase, repair or replace the affected harness section.

2. 2

   Replace the Sensor

   If the wiring is intact but the sensor channels still disagree by more than 5%, the sensor itself has failed internally and must be replaced with a new OEM part.

3. 3

   Update Control Software

   Check for and install any available software updates for the XMC/XSC module. John Deere occasionally releases payload updates to address signal processing bugs that can falsely trigger this code.

4. 4

   Calibrate and Clear

   After replacing the sensor, you may need to perform a steering wheel calibration via the CommandCenter™ display. Clear the fault codes and test drive the tractor to ensure the code does not return.