Massey Ferguson 0B.01.24: Issue With Voltage From Loader Selector Switch In Cab

The tractor's onboard diagnostic system has detected an abnormal electrical reading (such as an open circuit, short circuit, or out-of-range voltage) coming from the switch used by the operator to select or control the front-end loader functions.

• 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

1. 1

   Verify that the battery voltage is at a minimum of 12.4V to rule out false codes from low system voltage.

2. 2

   Inspect the loader selector switch for physical damage, sticking, or liquid ingress.

3. 3

   Check the wiring harness between the cab selector switch and the control module for pinched wires, chafing, or loose/corroded pins.

4. 4

   Use a compatible diagnostic tool to read live data from the switch and verify if voltage changes when toggled.

1. 1

   Power Down

   Turn off the tractor and disconnect the negative battery terminal to prevent electrical shorts during the repair.

2. 2

   Access the Switch

   Carefully remove the trim panels on the armrest or the joystick console to access the rear of the loader selector switch.

3. 3

   Disconnect and Inspect

   Unplug the electrical connector from the switch. Inspect the connector terminals for corrosion or spread pins. Clean with electrical contact cleaner if necessary.

4. 4

   Test/Replace the Switch

   If the wiring harness is intact but the switch fails to pass voltage correctly, remove the mounting hardware and extract the faulty switch.

5. 5

   Install the New Part

   Insert the replacement loader selector switch into the console and secure it. Reconnect the electrical plug.

6. 6

   Reassemble

   Reinstall all cab trim panels and armrest covers.

7. 7

   Clear Codes

   Reconnect the battery. Turn the key to the ON position and use a compatible diagnostic tool to clear the 0B.01.24 fault code from the system. Test the loader functions to ensure the issue is resolved.