Inspect the harness for breaks or fraying between the pump and the main controller (EPOS/E-ECU).
Measure across pins CN1-10 and CN1-21 on the controller or directly at the valve. doosan code vpv001-05
: Examine the electrical connections for the P1 pump. Check for frayed wires, moisture in connectors, or pin corrosion. Inspect the harness for breaks or fraying between