John Deere 003509.03: Fault Code 003509.03 - Issue with module 5v supply Over 5v Detected, Air Conditioning Module (ETC)

The system has detected an overvoltage condition on the 5v supply for module 5 in the Air Conditioning Module (ETC). This may indicate a problem with the power supply or the module itself.

1. 1

   The power supply to module 5

2. 2

   The wiring and connections to module 5

3. 3

   The functionality of module 5

1. 1

   Inspect

   Inspect the power supply to module 5 for any signs of damage or malfunction.

2. 2

   Check

   Check the wiring and connections to module 5 for any loose, damaged, or corroded components.

3. 3

   Test

   Test the functionality of module 5 using the appropriate diagnostic tools.