Massey Ferguson 06.00.41 – TRANS1: Rear PTO Switch Signal Issue Dyna VT (TRANS1)

The transmission controller is receiving an erratic, missing, or implausible electrical signal from the cab's rear Power Take-Off (PTO) engagement switch. A mismatch in these signals or a complete loss of continuity will trigger this code to prevent uncommanded PTO engagement.

• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• Tier 4 (2015-2021)
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 5711 S
• 5712
• 5713
• 6614
• 6615
• 6616
• 6714 S
• 6715 S
• 6716 S
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7714 S
• 7715 S
• 7716 S
• 7718 S
• 7719 S
• 7720 S
• 7722 S
• 7724 S
• 7726 S
• 8670
• 8680
• 8690
• 8727
• 8730
• 8732
• 8735

1. 1

   Physical Inspection: Check the yellow PTO cab switch for physical damage, sticking, or a collapsed internal spring. If the switch does not hold its position or feels 'dead,' the internal contacts have likely failed.

2. 2

   Harness & Connector Check: Remove the side console trim to access the back of the switch. Inspect the wiring pigtail and connector for pushed-out pins, corrosion, or melted plastic due to electrical arcing.

3. 3

   Continuity Testing: Using a multimeter, test the switch's internal contacts. Verify that the normally open (NO) and normally closed (NC) circuits transition correctly when the button is pushed and pulled.

4. 4

   Circuit Check to TRANS1: Check the wiring harness for continuity between the switch connector and the TRANS1 module to rule out a broken wire or short-to-ground in the cab harness.

1. 1

   Disconnect Power

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

2. 2

   Access the Switch

   Carefully pry up or unscrew the side console trim panel housing the PTO controls.

3. 3

   Remove the Switch

   Disconnect the electrical harness connector from the bottom of the PTO switch. Depress the retaining tabs on the sides of the switch body and push it upward through the console panel to remove it.

4. 4

   Install the New Switch

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

5. 5

   Reconnect

   Plug the electrical harness connector into the new switch, ensuring the locking tab clicks.

6. 6

   Reassembly

   Reinstall the console trim panel.

7. 7

   Clear Codes

   Reconnect the battery, turn the key to the ON position, and use a diagnostic tool to clear the 06.00.41 code from the TRANS1 module. Test the PTO engagement to ensure the signal is recognized.