0A.12.21
Massey Ferguson 0A.12.21: External Hydraulic Valve 1 Issue
Issue description
Indicates a fault or connection problem associated with the first external hydraulic remote valve, often related to an issue with the spool position sensor value.
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
Visually inspect the wiring harness and connectors at External Hydraulic Valve 1 for damage, corrosion, or loose connections
Connect a compatible Massey Ferguson diagnostic tool to retrieve, monitor, and clear codes, and to interpret the spool position sensor data
Repair steps
Consult service manual or technician
Refer to the specific tractor's service manual or consult with a qualified Massey Ferguson technician to interpret the spool position sensor data and address the DTC correctly.
Parts you might need
(1)External Hydraulic Valve 1 / Spool Position Sensor
Get help to fix this fault by requesting a quote
