John Deere 523787.03: Control Unit Switch Issue

The fault code indicates an issue with the control unit switch. The system has detected a problem related to this component, but no further details are provided in the source.

1. 1

   Control unit switch

2. 2

   Connections to the control unit switch

1. 1

   Inspect

   Examine the control unit switch for visible damage or wear.

2. 2

   Test

   Check the functionality of the control unit switch using the appropriate testing procedures.

3. 3

   Verify

   Ensure that the control unit switch is properly connected and seated.