New Holland 19083 – New Holland Dosing Control Unit Dcu: Voltage Supply 3 – Coolant Control Valve and Reverting Valve (UB3) Electrical – Open Circuit
Issue description
The system has detected an open circuit in the electrical supply for the coolant control valve and reverting valve (UB3). This fault is specifically related to the voltage supply 3 and affects the P20A0 vent valve (reductant purge control valve).
Check the cause
The wiring and connections related to the voltage supply 3 for the coolant control valve and reverting valve (UB3)
The wiring and connections related to the P20A0 vent valve (reductant purge control valve)
The integrity of the electrical circuit for the affected component identified by this code
Repair steps
Inspect
Inspect the wiring and connections for the voltage supply 3 for the coolant control valve and reverting valve (UB3). Look for any signs of damage, disconnection, or corrosion.
Inspect
Inspect the wiring and connections for the P20A0 vent valve (reductant purge control valve). Look for any signs of damage, disconnection, or corrosion.
Test
Test the electrical circuit for the affected component identified by this code to determine if there is an open circuit.
Parts you might need
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