08.01.1C

Massey Ferguson 08.01.1C – HITCH: Rear Hitch Raise/Lower Rocker Switch Signal Issue

Issue description

This code indicates that the control module is receiving an erratic, out-of-range, or missing electrical signal from the rocker switch responsible for manually raising and lowering the rear 3-point hitch linkage.

Applies to these 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
  • 5608
  • 5609
  • 5610
  • 5611
  • 5612
  • 5613

Check the cause

  1. Inspect the rocker switch for physical damage, moisture ingress, or heavy dirt buildup.

  2. Disconnect the switch and inspect the electrical connections to verify pins are clean, secure, and free of corrosion.

  3. Use a multimeter to check for proper voltage at the harness connector and test the switch for continuity when toggled to the UP and DOWN positions.

  4. Trace the wiring harness from the switch back to the main harness to check for chafing, shorts, or breaks.

Repair steps

  1. Power Down

    Turn off the tractor ignition and disconnect the battery to prevent electrical shorts.

  2. Access the Switch

    Carefully pry or unclip the faulty rocker switch from its mounting bezel on the fender or cab console.

  3. Disconnect

    Unplug the 4-pin electrical connector from the back of the switch.

  4. Install New Part

    Plug the wiring harness into the replacement switch, ensuring the connector clicks securely into place.

  5. Mount

    Snap the new switch back into the mounting panel.

  6. Clear Codes & Calibrate

    Reconnect the battery and turn on the ignition. Clear the stored 08.01.1C fault code from the tractor's diagnostic display. Test the hitch operation; some models may require a brief calibration (e.g., toggling the switch up and down fully) to register the new switch limits.

Parts you might need

(3)
  • Electronic Lift Switch (Cab/Console)

    4375123M1

    Fitment: 5700S, 5700SL, 6700S, 7700S Series

  • Rocker On/Off Linkage Hitch Switch (22mm x 30mm, 4-Pin)

    64764

    Fitment: 56, 57, 66, 67, 76, and 77 Series

  • Lift Switch Up/Down (Fender/External)

    4290447M2

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