Massey Ferguson 04.0.03 – TRANS: Issue With Clutch Pedal Safety Start Switch (TRANS)

The clutch pedal safety start switch (or clutch pedal position sensor) is an electronic device that monitors the position of the clutch pedal in real-time. It prevents accidental engine starts when the clutch pedal is not depressed and allows for safe, precise gear changes. The code indicates a malfunction or signal issue with this switch.

• 4707
• 4708
• 4709
• 4710
• T4 (2015-2021)
• 5425
• 5435
• 5445
• 5455
• 5460
• 5465
• 5470
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 5710SL
• 5711SL
• 5712SL
• 5713SL
• 6120
• 6130
• 6140
• 6150
• 6160
• 6445
• 6455
• 6460
• 6465
• 6470
• 6475
• 6480
• 6485
• 6490
• 6495
• 6497
• 6499
• 7485
• 7490
• 7495
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626
• 7714
• 7715
• 7715S
• 7716
• 7718
• 7719
• 7720
• 7722
• 7724
• 7726
• 8200 Series
• 8400 Series

1. 1

   Verify that the sensor is sending the correct signal to the controller when the pedal is pressed

2. 2

   Check the wiring harness leading to the clutch pedal sensor for shorts to ground or open circuits

1. 1

   Replace sensor

   Replace the faulty clutch pedal safety start switch/sensor with a genuine Massey Ferguson part.

2. 2

   Calibrate sensor

   A calibration of the clutch pedal potentiometer/sensor must be carried out each time the clutch pedal switch or the instrument panel is replaced or modified.

3. 3

   Road test

   Carry out a road test to confirm the transmission shifts correctly and the tractor only starts when the clutch is depressed.