John Deere 523690.03 – OIC: Switch for Remote Control of Rear Hitch (Right/Left), Voltage Too High

Voltage at the external fender switch used for remote control of the rear hitch is too high, suggesting a short circuit to a positive lead. As a safety reaction, the control software deactivates the remote control of the hitch.

• 6110M
• 6120M
• 6130M
• 6145M
• 6155M
• 6175M
• 6195M
• 6110R
• 6120R
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R
• 6090MC
• 6090RC
• 6100MC
• 6100RC
• 6110MC
• 6110RC
• 8245R through 8400R
• 9470RT
• 9520RT
• 9570RT

1. 1

   Visually check the external remote control switch on the rear fender and its wiring harness for signs of physical damage, loose connections, or corrosion.

2. 2

   Use a multimeter to measure the voltage at the remote control switch. If it is too high, investigate the power source for faults.

3. 3

   Inspect the wiring harness along the remote control switch circuit specifically for any short circuits to a positive lead.

4. 4

   Ensure that the OIC control software is updated to the latest version, as firmware updates can sometimes improve the handling of switch voltage levels.

1. 1

   Repair Wiring

   If a short circuit to a positive lead is found during the multimeter test, repair the damaged section of the wiring harness.

2. 2

   Replace Components

   If the wiring is intact but the switch itself has failed internally (causing the voltage spike), replace the faulty fender switch.

3. 3

   Clear the Code

   Cycle the ignition (turning the key off, waiting, and turning it back on) after the physical repair is made to clear the code.

4. 4

   Monitor

   Test the rear hitch using the external buttons and monitor the system to ensure the voltage remains within the specified range and the error does not recur.