CSM 523775.02 — Single Lever Control Hand Presence Switch Fault

CSM 523775.02 (CSM )

Code: 523775.02



This error code, CSM 523775.02, indicates a fault in the single lever control hand presence switch due to conflicting outputs. This may be caused by a malfunction in the switch mechanism, wiring issues, or sensor faults.


The function of the single lever control is disabled to prevent incorrect operations.


Inspect Hand Presence Switch:

  • Check the single lever control hand presence switch for any signs of malfunction or wear. Replace the switch if necessary.

Check Wiring and Connections:

  • Inspect the wiring and connections related to the hand presence switch for any damage, loose connections, or corrosion. Secure and clean all connections.

Test Switch Functionality:

  • Use diagnostic tools to test the hand presence switch and ensure it is functioning correctly without conflicting outputs.

Reset and Test System:

  • After addressing the issue, reset the system and perform tests to ensure the hand presence switch is operating correctly and the single lever control function is restored.


Regular maintenance and inspection of control switches and associated wiring can help prevent faults. Promptly addressing any signs of malfunction can ensure reliable system operation.

Control Units: John Deere

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