John Deere 003597.03: High 12 Volt Supply Voltage in Main Control Module

The Main Control Module detects a high 12 Volt Supply Voltage. This condition may indicate an issue with the power supply or voltage regulation within the system.

1. 1

   The 12 Volt Supply Voltage

2. 2

   The Main Control Module

1. 1

   Verify

   Measure the 12 Volt Supply Voltage using a multimeter to confirm the reading.

2. 2

   Inspect

   Check the wiring and connections related to the 12 Volt Supply Voltage and the Main Control Module.

3. 3

   Test

   Test the Main Control Module for proper operation and voltage regulation.