Massey Ferguson 04.00.F3 – TRANS: Transmission Calibration Issue

The transmission control system has lost its calibration parameters, or the current calibration is out of specification, resulting in harsh, jerky, or delayed shifting (especially when using the PowerShuttle to change directions).

• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• Tier 4 (2015-2021)
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 5710SL
• 5711SL
• 5712SL
• 5713SL
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Position the tractor on completely flat ground.

2. 2

   Verify the transmission oil temperature is between 35°C (95°F) and 45°C (113°F) on the Dash Control Center under diagnostic screen 1. Warm up the tractor via normal operation or by engaging the PTO if necessary.

3. 3

   Cycle the PowerShuttle lever (forward and reverse) 10 times in each direction for 5 to 10 seconds to ensure the control units and solenoid valves are warmed up to the transmission's temperature.

4. 4

   Configure the PowerShuttle progressivity settings (forward engagement, reverse engagement, and ratio shifting sensitivity) all to '0' on the left-hand dash screen.

5. 5

   Ensure the front axle and differential lock are disengaged to prevent interference with the calibration process.

1. 1

   Prepare tractor for calibration

   Disengage the PTO, place the tractor in neutral, and release the parking brake.

2. 2

   Adjust engine speed

   Raise the engine speed to approximately 1500 RPM (± 100 RPM) using the hand throttle.

3. 3

   Initiate calibration mode

   Raise the PowerShuttle arm (located to the left of the steering wheel) to the raised position and hold it there while simultaneously pressing the differential lock switch.

4. 4

   Wait for calibration prompt

   Hold both for approximately 10 seconds until the right-hand screen on the dash (the transmission gear screen) displays 'Ct'.

5. 5

   Start calibration

   Once 'Ct' is displayed, the tractor is ready. Place the PowerShuttle arm into the forward position to begin the calibration.

6. 6

   Allow calibration to run

   The calibration process takes approximately 10 minutes. The screen will continuously display 'Ct', and it is completely normal to hear the transmission shifting and making noises during this time.

7. 7

   Verify calibration completion

   Calibration is complete when the right-hand screen alternately flashes '1A/2A' (or the transmission ratio you were in before starting, e.g., '1E/2E').

8. 8

   Save calibration settings

   To save the settings, place the PowerShuttle into the neutral position, disengage the differential lock, idle the tractor down, and switch the engine off for at least 8 seconds to validate the new parameters.

9. 9

   Test drive tractor

   Restart the tractor and test drive it using a variety of maneuvers (forward to reverse, neutral to forward, etc.) to ensure shifting is smooth and the fault code has cleared.