RLC 521393.06 – Rear Window Wiper (Home Position), Current Too High

RLC 521393.06 (RLC )

Code: 521393.06

Shortcode:

Description:

This diagnostic trouble code is generated if the current at the home position of the rear window wiper is too high. This indicates a short circuit to ground.

Reaction:

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

Recommendations:

  • Inspect Wiper Circuit:
    • Check the wiring and connectors associated with the rear window wiper for signs of short circuits to ground. Look for damaged insulation or exposed wires. Repair or replace any compromised wiring.
  • Test Wiper Motor:
    • Test the rear window wiper motor to ensure it is not damaged or causing excessive current draw. Replace the motor if it is faulty.
  • Verify Power Supply:
    • Ensure the power supply to the rear window wiper is stable and within the specified range. Inspect for any issues that could cause an overcurrent condition.

Note:

Excessive current can damage the wiper motor and associated circuitry. Regular inspection and maintenance of the electrical system are essential to prevent such issues.


Control Units: John Deere

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