John Deere 1077..............: Pump Detected Communication Error

The system has detected a communication error related to the pump. This indicates a failure in the data exchange between the pump and the controller.

1. 1

   The connection between the pump and the controller

2. 2

   The integrity of the communication circuit

3. 3

   The functionality of the pump's communication module

1. 1

   Inspect

   Check the physical connections between the pump and the controller for any signs of damage, looseness, or corrosion.

2. 2

   Test

   Use a diagnostic tool to verify the communication signal between the pump and the controller.

3. 3

   Replace

   If the communication issue persists, replace the pump or the component identified by this code.