Massey Ferguson 04.00.24 – Transmission Controller (TRANS): Park Lock Switch On Steering Column Direction Lever, Signal Issue

The controller is receiving an abnormal, missing, or out-of-range electrical signal from the park lock switch, which is integrated into the steering column's forward/reverse shuttle lever.

• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• Tier 4 (2015-2021)
• 5600
• 6600
• 7600
• 8700

1. 1

   Inspect the wiring harness leading to the Power Control lever for chafed wires, tight bends, or damaged insulation

2. 2

   Disconnect the lever's electrical connector and inspect pins for corrosion, pushed-back terminals, or debris

3. 3

   Test the park lock switch circuit for continuity when the lever is engaged and disengaged to verify if internal contacts have failed

4. 4

   Check cab fuses related to the neutral switches, transmission controls, and park lock switch

1. 1

   Park the tractor on a level surface, turn off the engine, and disconnect the battery to prevent electrical shorts.

   Park the tractor on a level surface, turn off the engine, and disconnect the battery to prevent electrical shorts.

2. 2

   Remove the plastic shrouds/cowling surrounding the steering column to expose the base of the Power Control lever.

   Remove the plastic shrouds/cowling surrounding the steering column to expose the base of the Power Control lever.

3. 3

   Locate and disconnect the electrical wiring harness connector attached to the lever assembly.

   Locate and disconnect the electrical wiring harness connector attached to the lever assembly.

4. 4

   Unbolt the retaining hardware securing the lever assembly to the steering column bracket.

   Unbolt the retaining hardware securing the lever assembly to the steering column bracket.

5. 5

   Remove the faulty lever.

   Remove the faulty lever.

6. 6

   Install the new Power Control lever and secure it with the mounting hardware.

   Install the new Power Control lever and secure it with the mounting hardware.

7. 7

   Reconnect the electrical connector, ensuring it clicks firmly into place.

   Reconnect the electrical connector, ensuring it clicks firmly into place.

8. 8

   Reinstall the steering column shrouds.

   Reinstall the steering column shrouds.

9. 9

   Reconnect the battery, turn the key on, and clear the fault codes using the tractor's diagnostic display or a service tool.

   Reconnect the battery, turn the key on, and clear the fault codes using the tractor's diagnostic display or a service tool.

10. 10

    Test the tractor to ensure the forward/reverse shuttle and park lock functions operate smoothly without throwing the 04.00.24 code.

    Test the tractor to ensure the forward/reverse shuttle and park lock functions operate smoothly without throwing the 04.00.24 code.