John Deere 3465.13 – Engine Control Unit (ECU): Air Throttle Actuator Calibration Error

This diagnostic trouble code indicates that the air/exhaust throttle actuator has not been properly calibrated. It is triggered when there is a mismatch between the desired position commanded by the control unit and the actual position of the actuator. This discrepancy can stem from mechanical restrictions (binding), sensor failures, or electronic control issues.

• 6110M
• 6120M
• 6130M
• 6145M
• 6155M
• 6175M
• 6195M
• 6110R
• 6120R
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R
• 6090MC
• 6090RC
• 6100MC
• 6100RC
• 6110MC
• 6110RC
• 210G
• 210GLC
• 160GLC
• 250GLC
• 290GLC
• 333E
• 4045
• 6068
• 3029
• 4TNV98C
• 4TNV98CT

1. 1

   Inspect the physical condition of the air/exhaust throttle actuator for any signs of wear, damage, physical obstructions, or mechanical binding.

2. 2

   Verify that all electrical connections are secure and intact, checking for broken wires, loose connectors, or corrosion.

3. 3

   Verify that the sensors responsible for monitoring the actuator position are functioning correctly and providing accurate data to the ECU.

4. 4

   Using John Deere Service ADVISOR, run a diagnostic test with the engine off to actuate the component and ensure it is mechanically capable of completing its full range of motion.

1. 1

   Clear Obstructions

   If any physical obstructions or mechanical binding were found during the inspection, clear them and clean the actuator mechanism.

2. 2

   Repair Wiring

   Address any defects found in the circuitry by repairing or replacing damaged wires or connectors.

3. 3

   Calibrate the Actuator

   Use John Deere Service ADVISOR (or an equivalent diagnostic tool) to perform a recalibration of the actuator (often listed as the 'Air Throttle Actuator Learn Value Reset' procedure). This ensures the actuator aligns with the ECU's commanded positions.

4. 4

   Replace Faulty Components

   If the actuator fails the recalibration process, or if the internal sensors/mechanisms are physically broken (e.g., a snapped butterfly valve shaft), replace the air/exhaust throttle actuator assembly.

5. 5

   Reset ECU and Re-Test

   After repairs or recalibration, reset the ECU to clear the stored 003465.13 code. Conduct operational tests across the actuator's full range to confirm accurate performance under various conditions.