New Holland 19579 – New Holland Dosing Control Unit Dcu: CAN Communication Timeout in Dosing Control Unit

The Dosing Control Unit has detected a timeout in the CAN communication link. This indicates that the unit is not receiving the expected data from the E2SCR frame, which includes information related to dosing, exhaust gas flow, exhaust gas temperature, error suppression, heater, and long-term failure.

1. 1

   The integrity of the CAN communication wiring between the Dosing Control Unit and the E2SCR frame

2. 2

   The functionality of the CAN communication module within the Dosing Control Unit

3. 3

   The presence of any interference or signal degradation affecting the CAN bus

1. 1

   Inspect

   Inspect the CAN communication wiring for damage, loose connections, or corrosion.

2. 2

   Test

   Test the CAN communication module within the Dosing Control Unit for proper functionality.

3. 3

   Check

   Check for any sources of electrical interference that may be affecting the CAN bus.