ECU 000654.06 – Short Circuit in Electronic Injector for Cylinder No. 4, Resistance Too Low. John Deere System Advisory.

ECU 000654.06 (ECU 654.06)

Code: 000654.06

Shortcode: 654.06


Error code ECU 000654.06 is triggered when the ECU detects a short circuit in the electronic injector circuit for cylinder no. 4, resulting in resistance that is too low. This condition typically indicates a short to ground.


The ECU may disable the injector to prevent damage and alert the operator of the fault.


  • Inspect for Short Circuits: Check the wiring and connectors for the injector in cylinder no. 4 for signs of short circuits to ground or other conductive surfaces.
  • Measure Circuit Resistance: Use diagnostic tools to measure the resistance in the injector circuit and locate the short.
  • Repair or Replace Damaged Wiring: Fix any identified short circuits by repairing or replacing faulty wiring or connectors.
  • Verify Injector Operation: After repairs, test the injector to ensure it functions correctly and the short circuit issue is resolved.
  • Reset ECU and Conduct System Tests: Reset the ECU and perform tests to confirm that the injector operates correctly and no further errors are detected.


Proper maintenance of injector wiring and connections is essential to avoid short circuits and ensure reliable engine performance.

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