Massey Ferguson 08.0.12 – HITCH: Rear Linkage Lower Solenoid High Voltage

The system has detected a high voltage condition on the circuit responsible for the rear linkage lower solenoid. This typically indicates a short to power in the wiring harness, a failed solenoid coil, or a fault within the module's output circuit.

• 4707
• 4708
• 4709
• 4710
• T4 (2015-2021)
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 5710SL
• 5711SL
• 5712SL
• 5713SL
• 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

   Inspect the wiring harness running from the HITCH module to the rear linkage lower solenoid for rubbed-through insulation causing a short to a power source.

2. 2

   Disconnect the lower solenoid and inspect the pins for corrosion, moisture ingress, or bent terminals. Do the same at the HITCH module connector.

3. 3

   Use a multimeter to check the signal wire for a short to voltage.

4. 4

   Measure the resistance across the pins of the lower solenoid coil. If the resistance is out of specification (e.g., internally shorted), the solenoid itself is the culprit.

1. 1

   Disconnect Power

   Disconnect the tractor's battery to prevent electrical spikes during repair.

2. 2

   Wiring Repair

   If a short to power was found in the harness, repair the damaged section of wiring and seal it with heat-shrink tubing.

3. 3

   Solenoid Replacement

   If the solenoid coil failed the resistance test, remove the retaining nut/clip on the hydraulic valve block, slide off the old solenoid coil, and install the replacement.

4. 4

   Reassembly

   Reconnect the solenoid wiring harness, ensuring the connector clicks securely into place.

5. 5

   Clear Codes

   Reconnect the battery. Use a compatible Massey Ferguson diagnostic tool to clear the 08.0.12 fault code from the HITCH module.

6. 6

   Functional Test

   Start the tractor and operate the rear linkage raise/lower controls to verify smooth operation and ensure the code does not return.