New Holland 4004: ACM (GARU) module not connected to the network

The ACM (GARU) module is not connected to the network, which may prevent proper communication between the module and other systems in the machine.

1. 1

   Connection of the ACM (GARU) module

2. 2

   Network wiring related to the ACM (GARU) module

3. 3

   Power supply to the ACM (GARU) module

1. 1

   Inspect the connection of the ACM (GARU) module

   Check that all physical connections to the ACM (GARU) module are secure and properly seated.

2. 2

   Verify network wiring

   Check the wiring between the ACM (GARU) module and the network for damage, breaks, or loose connections.

3. 3

   Check power supply

   Ensure the ACM (GARU) module is receiving the correct power supply as specified in the service manual.