Massey Ferguson 06.01.13 – TRANS1: Issue With Signal From PTO 540 Button Dyna VT

The transmission controller is receiving an erratic, out-of-range, or missing electrical signal from the 540 RPM Power Take-Off (PTO) engagement push-button switch located in the cab.

• 7720S
• 7724S
• 7716
• 7720
• Tier 4 (2015-2021)
• 7718
• 7722
• 7722S
• 7715S
• 7718S
• 7715
• 7726
• 7719
• 7714
• 7724
• 7716S
• 7726S
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 8660
• 8670
• 8680
• 8690
• 8727
• 8730
• 8732
• 8735
• 8737
• 5611
• 5612
• 5613
• 6614
• 6615
• 6616

1. 1

   Inspect the wiring harness and the connector at the back of the PTO 540 switch for loose pins, corrosion, or bare wires

2. 2

   Verify that the fuses supplying power to the cab console and PTO control circuit are intact

3. 3

   Remove the PTO 540 switch and test it using a multimeter set to Ohms (Ω). A healthy switch should show continuity (typically between 0 and 1.5 ohms) when the button is pressed. If it reads open (infinite resistance) while pressed, the internal contacts have failed

4. 4

   With the tractor key ON (engine OFF), check the power wire at the switch connector to ensure the switch is receiving the correct reference voltage from the TRANS1 module

1. 1

   Power Down

   Turn off the tractor and disconnect the negative battery cable to prevent electrical shorts.

2. 2

   Access the Switch

   Carefully pry up or unscrew the armrest/side console trim panel where the PTO 540 button is mounted.

3. 3

   Disconnect

   Unplug the wiring harness connector from the back of the faulty PTO switch.

4. 4

   Remove

   Depress the retaining tabs on the sides of the switch body and push it upward through the console bezel to remove it.

5. 5

   Install

   Snap the new OEM PTO switch into the console until the retaining clips lock into place.

6. 6

   Reconnect

   Plug the wiring harness back into the switch, ensuring it clicks securely.

7. 7

   Reassemble

   Reinstall the console trim panel and reconnect the battery.

8. 8

   Clear and Test

   Use a diagnostic tool to clear the 06.01.13 fault code from the TRANS1 module. Start the tractor and test the PTO 540 engagement to verify the repair.