CSC 523671.19 – Right Hand Reverser Lever Position Fault. John Deere System Advisory.

CSC 523671.19 (CSC )

Code: 523671.19



Error code CSC 523671.19 indicates that an incorrect signal has been received from the right hand reverser lever. This lever is essential for controlling the direction of the vehicle, and a faulty signal can impair operation. This code is informational, suggesting that other AIC (Armrest Interface Control) codes should be diagnosed first.


The control software may have limited functionality or may not function at all to prevent incorrect directional commands.


  • Diagnose AIC Codes: Prioritize diagnosing any present AIC codes to address potential underlying issues that could affect the reverser lever signal.
  • Inspect Reverser Lever Connections: Check the wiring and connections from the right hand reverser lever for any signs of damage, wear, or disconnection.
  • Test Signal Integrity: Use diagnostic tools to verify the integrity of the signal being transmitted from the reverser lever. Ensure that the signal is consistent and within the expected parameters.
  • Evaluate and Replace Components: If the lever or its associated components are faulty, replace them to restore proper functionality.
  • Software Calibration: Ensure that the control software is properly calibrated to recognize and process signals from the reverser lever.
  • Perform Functional Tests: After repairs, conduct comprehensive tests to confirm that the reverser lever is functioning correctly and that the control software responds appropriately.


Regular maintenance of control levers and their signal transmission paths is essential to ensure safe and reliable operation of the vehicle. Prompt attention to any faults can prevent operational hazards.

Control Units: John Deere

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