John Deere 003598.03: High 12 Volt Supply Voltage Detected

The system has detected that the 12 Volt Supply Voltage is higher than expected. This condition is reported by the Main Control Module (OIC). The issue may affect the proper operation of the electrical system.

1. 1

   The 12 Volt Supply Voltage using a multimeter

2. 2

   The Main Control Module (OIC) for proper function

3. 3

   Wiring and connections related to the 12 Volt Supply Voltage

1. 1

   Measure the 12 Volt Supply Voltage

   Use a multimeter to verify the actual voltage level of the 12 Volt Supply Voltage.

2. 2

   Inspect the Main Control Module (OIC)

   Check the Main Control Module (OIC) for signs of damage or malfunction.

3. 3

   Check wiring and connections

   Inspect all wiring and connections related to the 12 Volt Supply Voltage for looseness, corrosion, or damage.