Massey Ferguson 1B.00.07 – Linkage/PTO/Light Module On The B-Pillar: Issue With Signal From Hitch Draft Control Dial (HITCH)

The electronic control unit is receiving an erratic, out-of-range, or missing electrical signal from the potentiometer/switch used by the operator to set the 3-point hitch draft control sensitivity.

• 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
• 6612-6616
• 6712S-6718S
• 7614-7626
• 7714-7726 (including S models)

1. 1

   Check the draft control dial on the B-pillar/side console for physical damage, binding, or being stuck in a locked position.

2. 2

   Access the back of the draft control dial and inspect the wiring harness connector for pushed-out pins, corrosion, or chafed wires leading to the Linkage/PTO/Light Module.

3. 3

   Use a multimeter to check the voltage supply to the switch and verify the resistance sweep of the potentiometer (a dead spot in the dial's sweep will trigger this signal fault).

4. 4

   Verify there are no active LIN BUS or CAN BUS communication codes (such as 1B.00.04 or 1B.00.06) which would indicate a broader wiring or module failure rather than a localized dial failure.

5. 5

   Attempt an Electronic Draft Control Diagnostic Test Routine / Calibration via the tractor's diagnostic menu or dealer tool to see if the module can re-learn the dial's parameters.

1. 1

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

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

2. 2

   Carefully remove the interior trim paneling on the B-pillar / side console to expose the Linkage/PTO/Light Module and the rear of the control switches.

   Carefully remove the interior trim paneling on the B-pillar / side console to expose the Linkage/PTO/Light Module and the rear of the control switches.

3. 3

   Disconnect the electrical harness connector from the faulty draft control dial.

   Disconnect the electrical harness connector from the faulty draft control dial.

4. 4

   Unclip or unscrew the retaining mechanism holding the dial into the console panel and remove the switch.

   Unclip or unscrew the retaining mechanism holding the dial into the console panel and remove the switch.

5. 5

   Install the new OEM draft control switch into the panel and reconnect the wiring harness.

   Install the new OEM draft control switch into the panel and reconnect the wiring harness.

6. 6

   Reinstall the B-pillar trim panels.

   Reinstall the B-pillar trim panels.

7. 7

   Reconnect the battery.

   Reconnect the battery.

8. 8

   Use a compatible diagnostic tool to clear the 1B.00.07 fault code and perform a rear hitch module calibration if required by the system.

   Use a compatible diagnostic tool to clear the 1B.00.07 fault code and perform a rear hitch module calibration if required by the system.