Massey Ferguson A.22.27 – Mid Mount Valve Module: External Hydraulic Valve 2 Issue

Malfunction or communication failure specifically on the second external hydraulic remote valve (spool valve). Related sub-codes often point to a connection problem on a hydraulic valve or an issue with the spool position sensor value.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S

1. 1

   Inspect the wiring harness and connectors leading to External Hydraulic Valve 2 for corroded pins, loose plugs, or damaged wires

2. 2

   Check the live data for the spool position sensor on Valve 2 using a compatible diagnostic tool to identify out-of-range or missing values

3. 3

   Verify that the Dash is communicating properly with the Mid Mount Valve Module via the CAN bus

1. 1

   Access the Valve Block

   Locate the external hydraulic valve block (usually mounted at the rear or mid-mount depending on the tractor configuration).

2. 2

   Clean and Inspect

   Thoroughly clean the area around Valve 2. Disconnect the electrical connector to the valve's solenoid/sensor.

3. 3

   Test/Replace Sensor

   If the diagnostic tool shows no reading from the spool position sensor, replace the sensor (or the electrical switch head, depending on the specific valve design).

4. 4

   Valve Replacement

   If the mechanical spool is sticking or the internal solenoids have failed, the spool valve section may need to be replaced or rebuilt using a seal kit.

5. 5

   Clear Codes

   After repair, use a Massey Ferguson-compatible diagnostic interface tool to clear the DTCs from the system.