John Deere 000444.03: Voltage To Main Control Module (HCC) Over 18 Volts

The voltage supplied to the Main Control Module (HCC) exceeds 18 volts, which may indicate an overvoltage condition in the electrical system.

1. 1

   The power supply to the Main Control Module (HCC)

2. 2

   The wiring and connections between the power source and the Main Control Module (HCC)

3. 3

   The component identified by this code

1. 1

   Inspect

   Inspect the wiring and connections to the Main Control Module (HCC) for damage, corrosion, or loose connections.

2. 2

   Test

   Test the voltage at the Main Control Module (HCC) to confirm the overvoltage condition.

3. 3

   Verify

   Verify the integrity of the power source and the component identified by this code.