Massey Ferguson 0A.23.19 – Dash / Mid Mount Valve Module: External Hydraulic Valve 2 Issue
Issue description
Indicates a fault, potential failure, or connection problem within the second external hydraulic valve circuit.
Applies to these machines
37 machines- 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
- 5608
- 5609
- 5610
- 5611
- 5612
- 5613
- 7614
- 7615
- 7616
- 7618
- 7619
- 7620
- 7622
- 7624
- 7626
Check the cause
Use a compatible diagnostic tool or interface device to confirm code 0A.23.19 and check for any accompanying codes
Inspect wiring harnesses and connectors to External Hydraulic Valve 2 for damage, corrosion, or loose pins
Verify the spool position sensor value to ensure it is not providing out-of-range readings
Ensure there is proper communication between the Dash and the Mid Mount Valve Module
Repair steps
Repair or replace wiring
Repair or replace any damaged wiring or connectors leading to External Hydraulic Valve 2.
Replace sensor or switch
If the wiring is intact but the spool position sensor is failing, replace the sensor or the electric spool valve control switch.
Rebuild or replace spool valve
If the valve itself is mechanically failing or leaking, rebuild it using a spool valve repair kit or replace the entire spool valve assembly.
Parts you might need
(4)Spool Valve Assembly
3796029M3Listed as a replacement spool valve for Massey Ferguson tractors
Spool Valve Repair Kit
4330201M91Specifically listed for 2600 series, but indicates that OEM repair kits are available for rebuilding these valves
Electric Spool Valve Control Switch
Generic part name; specific part number depends on exact model fitment
Spool Position Sensor / Solenoid Coil
Generic part names; often integrated into the valve block or available separately depending on the specific valve configuration
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