Massey Ferguson 0A.20.19: External Hydraulic Valve 2 Issue

Indicates a fault within the tractor's hydraulic system, specifically related to the operation, connection, or spool position sensor 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

   Use a compatible Massey Ferguson diagnostic tool to confirm the 0A.20.19 code and check for any secondary codes

2. 2

   Inspect connections on the hydraulic valve for wiring harness issues or poor connector contacts

3. 3

   Verify the spool position sensor value to ensure accurate readings

4. 4

   Ensure there is proper communication between the Dash and the Valve Module

1. 1

   Locate valve

   Locate External Hydraulic Valve 2 at the rear remote stack of the tractor.

2. 2

   Inspect and clean harness

   Disconnect the electrical harness connected to Valve 2 and inspect the pins for corrosion, moisture, or damage. Clean and apply dielectric grease if necessary.

3. 3

   Test wiring continuity

   Test the wiring continuity between the valve's spool position sensor and the control module.

4. 4

   Replace faulty component

   If the wiring is intact but the code persists, the spool position sensor or the hydraulic valve solenoid itself is likely faulty and requires replacement.

5. 5

   Clear DTCs

   After replacing the faulty component, use the diagnostic interface tool to clear the DTCs from the system.