Kubota E:9113 – Engine Control Module (ECM): EGR valve system error

The Engine Control Module (ECM) detects a malfunction in the Exhaust Gas Recirculation (EGR) system. The underlying condition is typically a stuck EGR valve (often caused by excessive soot/carbon buildup), a failed EGR actuator mechanism, or a damaged wiring harness interrupting communication between the valve and the ECM. When this code is active, the machine will often limit engine output and acceleration, and may eventually enter limp mode.

• SVL65-2
• SVL75-2
• SVL90-2
• SVL95-2
• SVL95-2s
• SVL97-2
• SSV65
• SSV75

1. 1

   Inspect the Engine Wiring Harness for physical damage, paying special attention to where the wiring extends from the loom to the EGR valve and DPF sensors (vibration often causes shorts or cut wires).

2. 2

   Disconnect the harness connector at the EGR valve and the ECM to inspect for poor connections, bent pins, or corrosion.

3. 3

   Test the EGR valve circuit between the ECM and the EGR valve for an open circuit or high resistance.

4. 4

   Remove the EGR valve and visually inspect it for excessive soot buildup that may cause it to stick open or closed mechanically.

1. 1

   Turn OFF the ignition switch and allow the engine to cool completely.

2. 2

   Disconnect the harness connector from the boost pressure/boost temperature sensor and the EGR valve.

3. 3

   Remove the harness clip from the inlet pipe.

4. 4

   Remove the inlet pipe from the inlet cover.

   This requires removing the inlet pipe and the injection pipe bracket.

5. 5

   Unbolt and remove the EGR valve assembly.

6. 6

   Clean the EGR valve and manifold.

   If the valve is mechanically stuck, you can attempt to clean the EGR valve and manifold thoroughly using an ultrasonic bath and a solvent like acetone. Ensure the actuator mechanism moves freely after cleaning.

7. 7

   Install a new EGR valve assembly.

   If cleaning does not resolve the issue, or if the electronic actuator has failed, install a new EGR valve assembly.

8. 8

   Reinstall all components in reverse order using new gaskets.

9. 9

   Clear the DTC.

   Clearing this code permanently often requires a dealer connection using Kubota's Diagmaster software. If the E:9113 code was accompanied by DPF codes (like E:9003 or E:9214), a forced manual regeneration via Diagmaster will also be required to restore full machine performance.