Case IH ENG412: J1708 Data Link Communication Failure

The J1708 data link is unable to transmit data, which may prevent communication between the tractor's systems and diagnostic tools.

1. 1

   J1708 data link wiring

2. 2

   J1708 data link connector

3. 3

   related control module power and ground connections

1. 1

   Inspect

   Check the J1708 data link wiring for damage, corrosion, or loose connections.

2. 2

   Test

   Verify the J1708 data link connector is securely seated and free from debris.

3. 3

   Check

   Confirm that the control module associated with the J1708 data link has proper power and ground.