New Holland 19156 – New Holland Dosing Control Unit Dcu: Urea Pump Speed – Pump Overspeed

The urea pump is operating at a speed that exceeds the expected range, which may indicate a malfunction in the system controlling the pump's operation.

1. 1

   The urea pump speed sensor

2. 2

   The wiring and connections to the urea pump

3. 3

   The control signals from the dosing control unit

1. 1

   Inspect

   Inspect the urea pump speed sensor for damage or misalignment.

2. 2

   Check

   Check the wiring and connections to the urea pump for continuity and proper seating.

3. 3

   Verify

   Verify the control signals from the dosing control unit to the urea pump using the appropriate diagnostic tool.