Massey Ferguson 0A.8X.20: External Hydraulic Valve 8 Issue
Issue description
Indicates a fault, malfunction, or connection problem within the circuit of the 8th external hydraulic remote/spool valve.
Applies to these machines
41 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
- 4707
- 4708
- 4709
- 4710
- 5608
- 5609
- 5610
- 5611
- 5612
- 5613
- 7614
- 7615
- 7616
- 7618
- 7619
- 7620
- 7622
- 7624
- 7626
Check the cause
Use a compatible Massey Ferguson diagnostic tool or interface device to retrieve and confirm the active 0A.8X.20 code.
Inspect the wiring harness, solenoid connector, and pins at External Hydraulic Valve 8 for corrosion, damage, or loose connections.
Repair steps
Locate valve
Locate External Hydraulic Valve 8 on the rear hydraulic remote stack.
Disconnect connector
Disconnect the electrical connector to the valve's solenoid.
Clean and repair wiring
Clean the contacts and repair any broken or chafed wiring in the harness leading to the valve.
Replace solenoid or valve
If the wiring is intact, the solenoid or the valve body itself may have failed internally and will need to be replaced.
Clear DTCs
After repairing the connection or replacing the valve, use a compatible diagnostic scanner to clear the DTCs from the system.
Consult manual or technician
Consult the specific tractor's service manual or a qualified technician if the code persists after clearing.
Parts you might need
(4)Massey Ferguson Valve Part
1032485M91External Hydraulic Valve Single Spool
1026699M92Fitment: Older MF series
Hydraulic Spool Valve Assembly
357015Fitment: 100, 200, 300, 500 series
External hydraulic valve kit, single spool, double-acting control valve
TS3200MAftermarket/Conversion kit
Get help to fix this fault by requesting a quote