RLC 002386.05 – Beacon Light, Current Too Low

RLC 002386.05 (RLC 2386.05)

Code: 002386.05

Shortcode: 2386.05


This diagnostic trouble code is generated if the control software registers that the current at the output to the beacon light is too low. This indicates that there is an open circuit or that the configuration of address RLC 056 is wrong.


When this error is detected, the control software may experience limited or no functionality of the beacon light.


  • Inspect Beacon Light Circuit:
    • Check the wiring and connectors associated with the beacon light for signs of open circuits. Look for disconnected or loose connections. Repair or replace any compromised wiring or connectors.
  • Verify Configuration:
    • Ensure that the configuration of address RLC 056 is correct. Incorrect configuration can lead to low current issues.
  • Test Beacon Light:
    • Test the beacon light to ensure it is functioning correctly and drawing the proper current. Replace any faulty light components.
  • Verify Power Supply:
    • Ensure the power supply to the beacon light is stable and within the specified range. Inspect for any issues that could cause a drop in current.


An open circuit or incorrect configuration can prevent the beacon light from functioning properly. Regular inspection and maintenance of the electrical system are essential to ensure reliable operation.

Control Units: John Deere

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