Massey Ferguson 08.01.2B – Rear Hitch Module (HITCH): Issue With Signal From Hitch Transport Dampening Button (HITCH)

The system is detecting an invalid, missing, or out-of-range electrical signal from the button responsible for activating the hitch transport dampening (ride control) feature. This usually points to a faulty switch, a wiring harness issue (open or short circuit), or a poor connection.

• 7724S
• 5712SL
• 7722
• 7722S
• 5713SL
• 7720S
• 7716
• 7718
• T4
• 7715
• 5710SL
• 7726
• 7726S
• 5711SL
• 7718S
• 7719
• 7714
• 7716S
• 7720
• Tier 4 (2015-2021)
• 7715S
• 7724
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613

1. 1

   Inspect the Hitch Transport Dampening Button for physical damage, sticking, or liquid intrusion.

2. 2

   Access the back of the switch and disconnect the wiring harness to inspect the pins for corrosion, pushed-out terminals, or moisture.

3. 3

   Using a digital multimeter, test the switch for proper continuity (should show closed circuit when pressed/engaged and open when released, or vice versa).

4. 4

   Check the wiring harness between the switch connector and the Rear Hitch Module for continuity, shorts to ground, or shorts to power.

5. 5

   Connect a compatible Massey Ferguson diagnostic tool to monitor the live data stream for the Rear Hitch Module and toggle the button to see if the module registers the state change.

1. 1

   Power Down

   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 trim panel on the armrest or side console where the hitch controls are located.

3. 3

   Disconnect

   Unplug the electrical connector from the back of the Hitch Transport Dampening Button.

4. 4

   Remove the Switch

   Depress the retaining tabs on the sides of the switch body and push it upward/outward through the top of the console panel.

5. 5

   Install the New Part

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

6. 6

   Reconnect

   Plug the electrical connector back into the switch, ensuring it clicks securely.

7. 7

   Reassemble

   Reinstall the console trim panel.

8. 8

   Test

   Reconnect the battery, turn the key to the ON position, and use a diagnostic tool to clear the 08.01.2B fault code. Test the hitch transport dampening function to ensure the code does not return.