Massey Ferguson V422: External Hydraulic Valve 4 Issue

Fault within the tractor's external hydraulic remote system, specifically targeting External Hydraulic Valve 4. The underlying condition is typically an electrical or communication failure, meaning the system is unable to properly actuate or receive feedback from the spool valve solenoid for the 4th remote.

• 7616
• 5612
• 7622
• Interim Tier 4 (2012-2015)
• 7614
• 5611
• 7615
• 5610
• 5613
• 7620
• 5609
• 7618
• 5608
• 7619
• 7626
• 7624
• 4707
• 4708
• 4709
• 4710
• 5710SL
• 5711SL
• 5712SL
• 5713SL
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S

1. 1

   Connect a compatible diagnostic tool or interface device to retrieve the exact alphanumeric code (e.g., 0A.40.18) to confirm the fault

2. 2

   Inspect the wiring harness leading to External Hydraulic Valve 4 at the rear remote stack

3. 3

   Check the electrical connector at the valve solenoid for corrosion, backed-out pins, or moisture intrusion

1. 1

   Power down electrical system

   Disconnecting the battery or powering down the tractor's electrical system.

2. 2

   Clean and reseat connector

   Cleaning and reseating the electrical connector on External Valve 4.

3. 3

   Replace solenoid or valve assembly

   If the wiring is intact but the code persists, the electronic solenoid or the entire spool valve assembly for Remote 4 has likely failed internally and must be replaced.

4. 4

   Clear DTCs and test

   Clear the DTCs using a compatible diagnostic tool and test the hydraulic remote operation.