Massey Ferguson 04.01.ED – TRANS (Transmission Control Module): Clutch Pedal Not Calibrated

The system has detected that the clutch pedal stroke parameters (0% to 100% travel) have not been calibrated or the stored calibration values have been lost or corrupted. This often results in harsh or jumpy clutch engagement.

• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• Tier 4 (2015-2021)
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626
• 4700 Series
• 5700 Series
• 6700 Series

1. 1

   Check transmission oil temperature to ensure it is between 35°C (95°F) and 45°C (113°F), as calibration will fail outside this window

2. 2

   Inspect the Clutch Pedal Sensor (Sensor X68) for physical condition, damaged wiring, a short circuit to +12V, or a short to ground

3. 3

   Verify the sensor signal voltage does not drop below the minimum acceptable threshold (0.25V - 0.5V) when the pedal is at rest

1. 1

   Prepare the Tractor

   Park the tractor on flat, level ground and secure the vehicle (apply the parking brake).

2. 2

   Warm Up the Transmission

   Operate the tractor normally or engage the PTO until the transmission oil temperature reaches the 35°C to 45°C window. You can monitor this via "Diagnostic Screen 1" on the Dash Control Center.

3. 3

   Access Calibration Menu

   Navigate through the tractor's Dash Control Center to the transmission calibration menu.

4. 4

   Run Pedal Calibration

   Select the specific routine for "Clutch Pedal Sensor Calibration".

5. 5

   Perform Pedal Strokes

   Follow the on-screen prompts, which will require you to fully depress and fully release the clutch pedal so the TRANS module can learn the minimum and maximum stroke values.

6. 6

   Confirm Success

   The display will show a confirmation message if the calibration is successful. If the display indicates a failure, the clutch pedal sensor is likely faulty and must be replaced, followed by a repeated calibration attempt.