CSM 523343.02 — Single Lever Control Trigger Switch Fault

CSM 523343.02 (CSM )

Code: 523343.02



This error code, CSM 523343.02, indicates a failure in the single lever control trigger switch. This may be due to physical damage, wear and tear, or electrical issues within the switch.


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


Inspect Trigger Switch:

  • Examine the trigger switch for any signs of physical damage or wear. Ensure that it is functioning mechanically as intended.

Check Electrical Connections:

  • Inspect the electrical connections to the trigger switch for any loose or corroded contacts. Clean and secure all connections.

Test Switch Functionality:

  • Use a multimeter or other diagnostic tools to test the switch’s electrical functionality. Replace the switch if it is found to be faulty.

Reset and Test System:

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


Regular inspections and maintenance of control switches can help prevent failures. Immediate attention to any signs of malfunction can prevent further system degradation.

Control Units: John Deere

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