Massey Ferguson 00.0.46 – Dash: Clutch Pedal Top Clutch pedal Switch Open

The electrical circuit for the switch or sensor located at the top of the clutch pedal's travel is registering an 'open' state (a broken circuit, disconnected wire, or internally failed switch). The system cannot detect the pedal's resting position, which can lead to erratic shifting, safety interlocks failing to engage, or harsh clutch engagement.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S

1. 1

   Inspect the clutch pedal box assembly for physical damage to the top clutch switch/sensor or the pedal linkage that might prevent actuation.

2. 2

   Inspect the wiring harness leading to the switch for rubbed wires, corrosion, or loose pins. Ensure the connector has not been installed backwards.

3. 3

   Using a multimeter, verify if the switch has continuity when actuated. For proximity/position sensors, verify it is receiving the correct reference voltage from the Dash module and that the signal wire has continuity back to the controller.

4. 4

   Check for related Dash codes like D139 or D140 (Clutch pedal sensor electrical signal too high/low), which further confirm a wiring or sensor failure.

1. 1

   Preparation

   Park the tractor on a level surface, engage the parking brake, turn off the ignition, and disconnect the negative battery terminal to prevent electrical shorts.

2. 2

   Access the Switch

   Remove the lower dash/cowl panels as necessary to access the clutch pedal box assembly.

3. 3

   Removal

   Disconnect the electrical connector from the top clutch pedal switch. Remove the retaining nuts/clips holding the switch in its mounting bracket and pull the faulty switch out.

4. 4

   Installation

   Insert the new OEM switch into the bracket and secure it.

5. 5

   Reconnection

   Reconnect the electrical harness, ensuring the connector is oriented correctly and clicks into place.

6. 6

   Calibration

   Reconnect the battery. Because the Dash and Transmission modules rely on precise pedal position data, you must perform a clutch pedal calibration (often accessible via the dash screen menus or requiring a dealer diagnostic tool) to ensure smooth engagement and clear the fault code.