Massey Ferguson 00.1.33 – Dash: Issue With Signal Voltage From Clutch Pedal Sensor, Calibration Missing (Dash)

The controller has lost the stored calibration values for the clutch pedal sensor (potentiometer), or the signal voltage being sent from the sensor is outside the expected calibrated range. This typically results in harsh, jumpy, or delayed clutch engagement.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 4707
• 4708
• 4709
• 4710
• 7614-7626
• 7714-7726S
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613

1. 1

   Inspect the clutch pedal sensor (potentiometer) and the 'Bottom of Clutch Switch' in the pedal box for physical damage or loose mounting hardware.

2. 2

   Inspect the wiring harness and connectors leading from the clutch pedal sensor to the Dash controller for chafed wires, loose pins, or corrosion.

3. 3

   Attempt a clutch pedal calibration before replacing any hard parts, as this often resolves jumpy engagement if the sensor is mechanically sound.

1. 1

   Calibrate the Clutch Pedal

   Initiate the tractor's clutch pedal calibration procedure via the dash menu. Follow the on-screen prompts to register the top and bottom voltage limits of the pedal travel.

2. 2

   Test Operation

   After saving the settings, restart the tractor and test forward/reverse maneuvers. If the shifting is smooth and the code clears, the repair is complete.

3. 3

   Replace the Sensor/Switch (If Calibration Fails)

   If the calibration fails to save, or the code immediately returns, the sensor or bottom switch is faulty.

4. 4

   Remove and Replace

   Disconnect the electrical connector at the pedal box. Unbolt the faulty clutch pedal sensor/switch and install the new OEM replacement.

5. 5

   Recalibrate

   Perform the clutch pedal calibration procedure again after installing a new sensor so the Dash controller can learn the new voltage parameters.