New Holland 3841 – ENGINE: Diesel Particulate Filter (DPF) Upstream Temperature Sensor: Diagnostic Fault Check for SRC Low

The system has detected a diagnostic fault related to the Diesel Particulate Filter (DPF) Upstream Temperature Sensor, specifically indicating a low signal from the SRC (Sensor Reference Circuit). This may affect the proper monitoring of exhaust temperature upstream of the DPF.

1. 1

   The wiring and connections to the Diesel Particulate Filter (DPF) Upstream Temperature Sensor

2. 2

   The integrity of the Sensor Reference Circuit (SRC) associated with the sensor

3. 3

   The functionality of the Diesel Particulate Filter (DPF) Upstream Temperature Sensor itself

1. 1

   Inspect

   Inspect the wiring and connections to the Diesel Particulate Filter (DPF) Upstream Temperature Sensor for damage, corrosion, or loose connections.

2. 2

   Test

   Test the Sensor Reference Circuit (SRC) for proper operation using the appropriate diagnostic tools.

3. 3

   Replace

   If the Diesel Particulate Filter (DPF) Upstream Temperature Sensor is found to be faulty, replace it with a compatible component.