New Holland 19020 – New Holland Dosing Control Unit Dcu: Temperature Sensor Before Catalyst – Signal Low

The temperature sensor before catalyst is reporting a low signal, which may indicate a fault in the sensor or its associated circuit.

1. 1

   The temperature sensor before catalyst

2. 2

   The wiring and connections to the temperature sensor before catalyst

1. 1

   Inspect

   Inspect the temperature sensor before catalyst for physical damage or signs of wear.

2. 2

   Check

   Check the wiring and connections to the temperature sensor before catalyst for looseness, corrosion, or damage.

3. 3

   Test

   Test the temperature sensor before catalyst for proper functionality using a multimeter or diagnostic tool.