Massey Ferguson 04.0.ED – TRANS: Issue With Top Of Clutch Pedal Switch Or The operator Is Ridding The Clutch Pedal

This fault code indicates an anomaly with the signal coming from the top clutch pedal switch. The system detects that the switch is being activated continuously or erratically. This is typically caused by operator error (riding the clutch) or a hardware/electrical failure with the floor-mounted clutch pedal switch.

• 4707
• 4708
• 4709
• 4710
• T4 (2015-2021)
• 5425
• 5435
• 5445
• 5455
• 5460
• 5465
• 5470
• 5608
• 5609
• 5610
• 5710SL
• 5711SL
• 5712SL
• 5713SL
• 6235
• 6245
• 6255
• 6270
• 6290
• 6445
• 6455
• 6465
• 6480
• 6490
• 6499
• 7465
• 7475
• 7480
• 7490
• 7614
• 7615
• 7618
• 7620
• 7624
• 7714
• 7715
• 7718
• 7720
• 7726
• 8210
• 8220
• 8240
• 8260
• 8280
• 8450
• 8460
• 8480

1. 1

   Verify Operator Habits (operator error cause): Confirm that the operator is not resting their foot on the clutch pedal during operation. Clear the code and test drive to see if it returns.

2. 2

   Inspect Wiring Connections (electrical failure cause): Check the wiring harness connecting to the clutch pedal switch. Look for loose wires, damaged insulation, or corrosion.

3. 3

   Check Switch Actuation (hardware failure cause): Ensure the switch activates fully when the clutch is depressed but does not stay physically stuck or engaged when the pedal is released. Check for dirt and debris in the cab floor.

1. 1

   Access the Switch

   Remove the necessary floor plates/mats in the cab to gain access to the floor-mounted clutch pedal switch.

2. 2

   Disconnect

   Carefully unplug the wiring harness from the switch.

3. 3

   Remove

   Unbolt and remove the faulty clutch pedal switch from its mounting bracket.

4. 4

   Prep the New Switch

   Clean all electrical connections. Apply a small amount of dielectric grease to the new switch terminals to prevent future moisture ingress and corrosion.

5. 5

   Install

   Mount the new direct-replacement switch and plug in the wiring harness.

6. 6

   Adjust and Test

   Ensure the switch is properly aligned so that it reads the clutch pedal position accurately. The safety interlock function must prevent in-gear starts. Test the power shuttle operation thoroughly before reassembling the floor plates to ensure the transmission shifts smoothly and the fault code does not return.