ECU 000612.04 – Injection Valve Driver 2 Short to Ground. John Deere System Advisory.

ECU 000612.04 (ECU 612.04)

Code: 000612.04

Shortcode: 612.04


This diagnostic trouble code, ECU 000612.04, is triggered when the circuit of injection valves 4 to 6 is shorted to ground. This can impair the electrical function of the injectors, potentially leading to engine misfires or reduced engine performance.


The ECU may shut down the affected injectors to protect the engine and prevent further electrical damage.


  • Inspect Wiring and Connectors: Examine the injector wiring for shorts to the vehicle’s frame or other grounded components.
  • Test and Repair Electrical Circuits: Use electrical testing tools to pinpoint the location of the short and repair as necessary.
  • Confirm Injector Operation: After repair, ensure that all injectors are operational and receiving the correct voltage.
  • Clear Fault Codes and Reset ECU: Clear any related fault codes and reset the ECU to ensure all systems are functioning normally.


Maintaining the integrity of the injector’s electrical circuit is essential for optimal engine operation.

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