Based on your diagnosis, here are the repairs:
The solenoid itself can short internally. A coil of wire that has melted can create a direct path to battery voltage. This is a common failure on older machines with high operating hours (5,000+). doosan fault code vpv001-05
Fault Code VPV001-05 means that the Engine Control Unit (ECU) or Machine Control System has detected an electrical short circuit to a high voltage (typically battery voltage, 12V or 24V) in the circuit that controls the main hydraulic pump’s regulating solenoid. Based on your diagnosis, here are the repairs:
In simpler terms: The computer is trying to send a specific low-voltage signal to tell the hydraulic pump how much oil to flow. However, it is reading that the signal wire is stuck at full battery voltage. This is an electrical fault, not necessarily a mechanical pump failure—but it will cause severe mechanical symptoms. While VPV001-05 can appear on many Doosan machines,
While VPV001-05 can appear on many Doosan machines, it is most commonly reported on:
If you operate any Doosan machine built after 2010 with a common-rail engine and a VCU (Vehicle Control Unit), you are susceptible to this code.