Deutz-Fahr P229E-13: NOx Sensor (Downstream SCR) - Open Circuit

The fault code indicates an open circuit in the NOx sensor located downstream of the Selective Catalytic Reduction (SCR) system. This condition prevents the system from properly monitoring exhaust gas emissions.

1. 1

   Wiring and connections to the NOx sensor (downstream SCR)

2. 2

   Sensor itself for damage or disconnection

1. 1

   Inspect the wiring and connections to the NOx sensor (downstream SCR)

   Check for any visible damage, corrosion, or loose connections.

2. 2

   Test the continuity of the NOx sensor (downstream SCR) circuit

   Use a multimeter to verify that the circuit is not open.

3. 3

   Replace the NOx sensor (downstream SCR) if necessary

   If the sensor is faulty or damaged, install a replacement as specified in the service manual.