Pnp0ca0 Jun 2026

Negotiating power roles (source vs. sink) and charging levels up to 100W or more.

The identifier is a specialized ACPI (Advanced Configuration and Power Interface) Device ID that serves as the digital fingerprint for the USB Type-C Connector System Software Interface (UCSI) pnp0ca0

If the driver is missing, you might not notice an immediate crash. However, it can lead to: Negotiating power roles (source vs

Ensuring the cable works correctly regardless of which way it is plugged in. Operating System Support pnp0ca0

It is commonly seen in modern laptops from manufacturers like HP , ASUS , and others that utilize UCSI-compliant firmware. Verdict