Deutz-Fahr P1120-00: SCR System (Air Pump/Air Supply Valve) - Out of Service

The SCR system, including the air pump and air supply valve, is not functioning properly. This fault indicates that the system is not operating as intended, which may affect emissions control and engine performance.

1. 1

   The air pump for the SCR system

2. 2

   The air supply valve for the SCR system

3. 3

   Connections and wiring related to the SCR system

1. 1

   Inspect

   Check the air pump for the SCR system for signs of damage, wear, or blockage.

2. 2

   Inspect

   Check the air supply valve for the SCR system for proper operation and physical damage.

3. 3

   Inspect

   Verify all electrical connections and wiring related to the SCR system for looseness, corrosion, or damage.