Massey Ferguson 0A.63.13 – Onboard diagnostic system: External Hydraulic Valve 6 Issue

Indicates a fault within the 6th external hydraulic remote/spool valve circuit, which is typically triggered by a connection problem, electrical failure, or solenoid malfunction on that specific hydraulic 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 diagnostic tool to confirm 0A.63.13 is the active code.

2. 2

   Locate the rear hydraulic valve block and identify the slice for Valve 6 to inspect wiring and connections.

3. 3

   Inspect the electrical connector plugging into the Valve 6 solenoid for broken wires, pushed-out pins, or heavy corrosion.

4. 4

   Check the resistance of the solenoid coil on Valve 6 to ensure it hasn't shorted or opened, and verify that the controller is sending the proper voltage to the valve when actuated from the cab.

1. 1

   Depressurize the System

   Safely park the tractor, turn off the engine, and actuate the hydraulic levers/controls to relieve any residual hydraulic pressure in the system.

2. 2

   Clean the Area

   Thoroughly clean the rear hydraulic valve block around Valve 6 to prevent dirt from entering the hydraulic system during repair.

3. 3

   Address Wiring Issues

   If the diagnostic checks revealed a damaged connector or wiring harness, repair or replace the pigtail/connector.

4. 4

   Replace the Solenoid/Valve Slice

   If the wiring is intact but the valve fails to respond (or the solenoid tests bad), you will need to replace the hydraulic valve solenoid or the entire electric spool slice.

5. 5

   Programming

   If the entire electric spool slice is replaced, the new unit must be programmed to the tractor's ECU using a dealer diagnostic tool so the tractor recognizes the new valve.

6. 6

   Test

   Clear the DTCs using your diagnostic tool. Start the tractor and test the operation of the 6th remote to ensure the code does not return and hydraulic flow is restored.