New Holland 19164 – New Holland Dosing Control Unit Dcu: Cooling control valve short circuit to UBat or open load

The fault code indicates a problem with the cooling control valve, specifically a short circuit to UBat or an open load. This may also involve the P20A0 vent valve (reductant purge control valve) and an open circuit.

1. 1

   Cooling control valve

2. 2

   P20A0 vent valve (reductant purge control valve)

3. 3

   the affected circuit