John Deere 521835.20: Problem With The Earth Circuit For The Cab Control Module

The system has detected an issue with the earth circuit for the cab control module. This may affect the proper operation of the module and its ability to communicate or function correctly.

1. 1

   The connection of the earth circuit for the cab control module

2. 2

   The integrity of the wiring associated with the earth circuit

3. 3

   The condition of the cab control module itself

1. 1

   Inspect

   Inspect the connection of the earth circuit for the cab control module for looseness, corrosion, or damage.

2. 2

   Test

   Test the integrity of the wiring associated with the earth circuit using a multimeter or continuity tester.

3. 3

   Replace

   If damage or failure is found, replace the affected component identified by this code.