RLC 521554.05 – Right Worklight on Cab Frame or Right Xenon (HID) Worklight on Cab Frame, Current Too Low

RLC 521554.05 (RLC )

Code: 521554.05



This diagnostic trouble code is generated if the control software registers that the current at the output to the right worklight on the cab frame or right Xenon (HID) worklight on the cab frame is too low. This indicates that the circuit is open.


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


  • Inspect Worklight Circuit:
    • Check the wiring and connectors associated with the right worklight or right Xenon (HID) worklight for signs of open circuits. Look for disconnected or loose connections. Repair or replace any compromised wiring or connectors.
  • Test Worklight:
    • Test the right worklight or right Xenon (HID) worklight 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 worklights is stable and within the specified range. Inspect for any issues that could cause a drop in current.


An open circuit can prevent the worklights 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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