Massey Ferguson A.23.13 – Dash / Mid Mount Valve Module: External Hydraulic Valve 2 Issue

Indicates a malfunction in the tractor's second external hydraulic spool valve, typically related to an electrical connection problem on the hydraulic valve, a loss of communication, 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

   Use a compatible Massey Ferguson diagnostic tool or interface device to confirm the exact 0A.23.13 code and check for related codes (such as 0A.41.FF, which specifically indicates a connection problem on a hydraulic valve).

2. 2

   Check the wiring harness and connectors between the Dash, the Mid Mount Valve Module, and External Hydraulic Valve 2 for corrosion, loose pins, or damage.

3. 3

   Verify the signal value coming from the spool position sensor on Valve 2, as sensor value errors are a primary trigger for these hydraulic valve codes.

1. 1

   Disconnect the tractor's battery to ensure safety while working on the electrical hydraulic systems.

2. 2

   Locate External Hydraulic Valve 2 (Spool Valve 2) at the rear hydraulic block or mid-mount valve assembly.

3. 3

   Disconnect the electrical harness from the valve's spool position sensor and solenoid.

4. 4

   Clean the contacts. If the wiring harness is damaged, repair or replace the affected pigtail/connector.

5. 5

   If the connection is sound but the code persists, the spool position sensor (or the entire electronic spool valve assembly, if the sensor is non-serviceable) must be unbolted and replaced.

6. 6

   Reconnect the harness, restore battery power, and use a diagnostic tool to clear the DTCs from the system.