New Holland 12091 – INST: Communications Lost with Engine Controller

The system has detected a loss of communication with the Engine Controller. This may prevent proper coordination between systems and affect machine performance.

1. 1

   The connection between the Engine Controller and the INST controller

2. 2

   The wiring harness for the Engine Controller

3. 3

   The power supply to the Engine Controller

1. 1

   Inspect

   Check the physical connection between the Engine Controller and the INST controller for looseness or damage.

2. 2

   Inspect

   Examine the wiring harness for the Engine Controller for cuts, fraying, or corrosion.

3. 3

   Test

   Verify the power supply to the Engine Controller using a multimeter or appropriate testing device.