B.02.02

Massey Ferguson B.02.02 – Mid Mount Valve Module: Loader Mid Mount Electro Valve Solenoid Low Amp Draw

Issue description

The electrical current (amperage) flowing through the solenoid coil on the loader's mid-mount electro-hydraulic valve is lower than the system's expected threshold, indicating high electrical resistance, a failing solenoid coil, a damaged wire, or a loose/corroded connection.

Applies to these machines

  • 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

Check the cause

  1. Inspect the wiring harness leading to the mid-mount valve block for chafed wires, pinched harnesses, or physical damage.

  2. Disconnect the electrical plug at the affected mid-mount valve solenoid and check for water ingress, dirt, or corroded pins.

  3. Use a multimeter to measure the resistance (Ohms) across the pins of the solenoid coil. High resistance or lack of continuity confirms internal failure.

  4. Verify that the harness is delivering the correct reference voltage and has a solid ground when the loader joystick is actuated.

Repair steps

  1. Power Down

    Turn off the tractor, remove the key, and disconnect the negative battery cable to prevent electrical shorts.

  2. Locate the Valve

    Identify the specific mid-mount electro valve block and locate the solenoid throwing the code.

  3. Disconnect Wiring

    Unplug the electrical connector from the faulty solenoid.

  4. Remove the Coil

    Remove the retaining nut or fastener at the end of the valve stem that holds the solenoid coil in place.

  5. Swap the Part

    Slide the old solenoid coil off the hydraulic valve cartridge. (Note: You usually do not need to open the hydraulic system or remove the valve cartridge itself, preventing fluid loss).

  6. Install

    Slide the new solenoid coil onto the stem and secure it with the retaining nut. Do not overtighten.

  7. Reconnect

    Plug the electrical harness back into the new solenoid.

  8. Clear Codes

    Reconnect the battery. Use a compatible Massey Ferguson diagnostic tool or interface device to clear the DTCs from the system and test the loader joystick to ensure the code does not return.

Parts you might need

(1)
  • Loader Mid Mount Electro Valve Solenoid (Coil)

    Ensure the replacement coil matches the voltage and connector type (often Deutsch connectors) of the original mid-mount valve module.

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