ICC 002392.05 – Alarm Horn Current Below Normal or Open Circuit

ICC 002392.05 (ICC 2392.05)

Code: 002392.05

Shortcode: 2392.05


This code indicates that the current for the alarm horn is below normal or there is an open circuit. This suggests that the audible alarm current is too low, possibly due to a faulty horn, wiring issues, or a defective control module.


The alarm horn may not operate correctly, leading to potential safety hazards and failure to alert the operator to critical warnings. A warning light or message may appear on the dashboard.


  • Inspect Alarm Horn:
    • Check the alarm horn for proper operation. Replace the horn if it is defective.
  • Examine Wiring and Connectors:
    • Inspect the wiring harness and connectors for signs of damage, corrosion, or loose connections.
    • Repair or replace any damaged components.
  • Test Control Module:
    • Verify the functionality of the control module responsible for the alarm horn.
    • Replace the control module if it is found to be defective.
  • Check for Open Circuits:
    • Use a multimeter to check for continuity in the alarm horn circuit.
    • Repair any open circuits detected.


Regular maintenance and inspection of the alarm system can help prevent issues and ensure proper operation.

Control Units: John Deere

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