New Holland P20A0: Vent valve (Reductant Purge Control Valve) - Open Circuit

The system has detected an open circuit in the vent valve (Reductant Purge Control Valve). This condition may prevent the proper operation of the reductant purge control system.

1. 1

   Wiring connections to the vent valve

2. 2

   Circuit continuity to the vent valve

3. 3

   Power supply to the vent valve

1. 1

   Inspect

   Check the wiring connections to the vent valve for looseness, damage, or corrosion.

2. 2

   Test

   Use a multimeter to test the circuit continuity between the vent valve and the controller.

3. 3

   Verify

   Ensure the power supply to the vent valve is functioning as expected.