Massey Ferguson 0A.22.29 – Mid Mount Valve Module: External Hydraulic Valve 2 Issue

Indicates a fault within the tractor's hydraulic system, specifically a problem with the operation, communication, or spool position sensing of the second external hydraulic remote valve.

• 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
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Check Communication: Verify the communication link between the Dash and the Mid Mount Valve Module, as communication loss can trigger related valve errors.

2. 2

   Inspect Wiring and Connections: Check for connection problems on the hydraulic valve itself. Look for damaged wiring, corroded pins, or loose connectors at External Hydraulic Valve 2.

3. 3

   Test the Spool Position Sensor: Check the Spool Position Sensor value using a compatible diagnostic tool. The sensor provides real-time feedback on the spool's position; an incorrect value or lack of signal will trigger a fault.

1. 1

   Locate the Valve

   Identify External Hydraulic Valve 2 (usually the second remote valve block at the rear or mid-mount, depending on configuration).

2. 2

   Inspect and Clean

   Disconnect the electrical harness to the valve and the spool position sensor. Clean the contacts with electrical contact cleaner and inspect for broken wires.

3. 3

   Replace Faulty Components

   If the wiring is intact but the diagnostic tool shows an erratic or missing spool position value, replace the Spool Position Sensor. If the valve itself is mechanically binding or the internal solenoids have failed, the entire Spool Valve Assembly may need to be replaced.

4. 4

   Clear the Code

   After repairs are made, use a compatible Massey Ferguson diagnostic tool/interface device to clear the 0A.22.29 DTC from the system.