: A corroded or improperly seated plug at the sensor or the controller.

: Verify that hydraulic fluid and engine coolant levels are correct, as some diagnostic systems may group these related subsystems during startup.

Ensure hydraulic fluid levels are adequate, though this is less likely to trigger a "-05" electrical current error.

This article provides a deep dive into what code VPV00105 means, its root causes, step-by-step diagnostic procedures, and how to clear the code for good.