PTI 524237.31 – Reverser Park and Neutral Switches On

PTI 524237.31 (PTI )

Code: 524237.31



This error code is triggered by an invalid reverser switch value. PTI does not read switches directly; switch values are transmitted by the CLC or ACU control unit depending on the vehicle option.


The control unit commands the equipment to enter Park mode, which is recoverable.


  • Inspect Reverser Switches:
    • Check the park and neutral switches for proper operation and ensure they are not simultaneously engaged.
  • Verify Signal Transmission:
    • Ensure the CLC or ACU control unit is correctly transmitting switch values to the PTI.
  • Test Switch Circuit:
    • Verify that the switch circuit is free of faults, including loose connections or short circuits.
  • Replace Faulty Components:
    • Replace any defective switches or control units that are causing invalid switch values.


Ensuring correct operation and signal transmission of reverser switches is crucial for safe and effective control of vehicle movement.

Control Units: John Deere

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