John Deere 005016.06: 12 Volt Supply High Main Control Module (CCU)

The 12 Volt Supply is detected to be high in the Main Control Module (CCU). This indicates an abnormal voltage level in the power supply circuit connected to the CCU.

1. 1

   The voltage level at the power supply input to the CCU

2. 2

   The wiring and connections between the power source and the CCU

3. 3

   The component identified by this code

1. 1

   Verify the voltage level at the power supply input to the CCU using a multimeter.

   Ensure the voltage is within the specified range for the system.

2. 2

   Inspect the wiring and connections between the power source and the CCU.

   Look for any damage, corrosion, or loose connections that could affect the voltage supply.

3. 3

   Test the component identified by this code for proper operation.

   Follow the manufacturer's testing procedures for the component.