8.00.1C

Massey Ferguson 8.00.1C – HITCH: Rear Hitch Raise/Lower Rocker Switch Signal Issue

Issue description

The control module is detecting an invalid, missing, or out-of-range electrical signal from the cab console rocker switch that controls the up and down movement of the rear 3-point linkage/hitch.

Applies to these machines

  • 5710SL
  • 5711SL
  • 5712SL
  • 5713SL
  • T4
  • 5608
  • 5609
  • 5610
  • 5611
  • 5612
  • 5613
  • 5709SL
  • 5709S
  • 5710S
  • 5711S
  • 5712S
  • 5713S
  • 6612
  • 6613
  • 6614
  • 6615
  • 6616
  • 6712S
  • 6713S
  • 6714S
  • 6715S
  • 6716S
  • 6718S
  • 7614
  • 7615
  • 7616
  • 7618
  • 7619
  • 7620
  • 7622
  • 7624
  • 7626
  • 7714
  • 7715
  • 7715S
  • 7716
  • 7716S
  • 7718
  • 7718S
  • 7719
  • 7720S
  • 7722S
  • 7724S
  • 7726S

Check the cause

  1. System Voltage Check: Use a multimeter to verify the battery is supplying a healthy ~12.6V. Low system voltage can cause phantom signal codes.

  2. Fuse & Relay Inspection: Check the cab fuse panel for any blown fuses or sticking relays associated with the hitch controls or cab console.

  3. Wiring & Connector Inspection: Access the back of the rocker switch. Verify that the 4-pin electrical connector is clean, secure, and free of moisture, dust, or corrosion.

  4. Switch Continuity Test: Using a multimeter, test the rocker switch itself. Check for proper continuity across the switch terminals when toggled to the UP, DOWN, and momentary positions. If the switch reads open when pressed or shows high resistance, the switch has failed internally.

Repair steps

  1. Ensure the tractor is turned off, the key is removed, and the hydraulic system is completely shut down

    (implement lowered to the ground if possible).

  2. Carefully pry or pop the faulty 3-point hitch rocker switch out of the cab console switch panel.

  3. Disconnect the factory wiring harness from the back of the switch.

  4. Apply a small amount of dielectric grease to the new switch terminals to prevent future moisture intrusion.

  5. Plug the wiring harness into the new replacement switch

    (it is a direct plug-and-play design).

  6. Snap the new switch back into the console panel.

  7. Turn the tractor on and test the up/down function of the 3-point hitch to ensure proper operation.

  8. Clear the 8.00.1C error code from the tractor's diagnostic display.

Parts you might need

(11)
  • Switch, Rocker, 3-Point Hitch Up/Down

    4375123M1

    22mm x 30mm 4-pin rocker switch. Direct drop-in replacement.

  • Switch, Rocker, 3-Point Hitch Up/Down

    4294420M5

    Alternative OEM Part Number

  • Switch, Rocker, 3-Point Hitch Up/Down

    4388800M2

    Alternative OEM Part Number

  • Switch, Rocker, 3-Point Hitch Up/Down

    64764

    Aftermarket / Cross-Reference Number

  • Switch, Rocker, 3-Point Hitch Up/Down

    B58127

    Aftermarket / Cross-Reference Number

  • Switch, Rocker, 3-Point Hitch Up/Down (Black Variant)

    ACW151746A

    Depending on the exact trim/year, a black variant of the hitch switch is also used.

  • Switch, Rocker, 3-Point Hitch Up/Down (Black Variant)

    4284628M3

    Replaced by ACW151746A

  • Switch, Rocker, 3-Point Hitch Up/Down (Black Variant)

    4284628M2

    Replaced by ACW151746A

  • Switch, Rocker, 3-Point Hitch Up/Down (Black Variant)

    4284628M1

    Replaced by ACW151746A

  • Switch, Rocker, 3-Point Hitch Up/Down (Black Variant)

    4270313M2

    Replaced by ACW151746A

  • Switch, Rocker, 3-Point Hitch Up/Down (Black Variant)

    4270313M1

    Replaced by ACW151746A

Get help to fix this fault by requesting a quote

Browse other Massey Ferguson codes