Pnp0ca0 Jun 2026

Are you troubleshooting a specific or hardware issue related to this ID? [TRACKING] Controlling Power Direction for USB C - Linux

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. In Linux and other modern operating systems, this interface allows the OS to communicate with the hardware to manage USB-C features like power delivery, data roles, and alternate modes (like DisplayPort). Framework Community Below is a guide on how to identify and troubleshoot on your system. 1. Identify the Device

The BIOS defines a memory region (mailbox) that the OS driver uses to send commands to the PPM. pnp0ca0

Release the button, plug in the original manufacturer charger, and power the machine on. 2. Update the System BIOS / UEFI

The underlying operating system handles the complex operational pipeline using the built-in, native driver file named . Critical Technical Features Handled by PNP0CA0

The (USB Type-C Connector System Software Interface) is a standardized method for the OS to control and monitor USB-C ports. Its key roles include: Are you troubleshooting a specific or hardware issue

: Make sure that ACPI support is enabled in your kernel. Most modern Linux distributions have it enabled by default.

PNP0CA0 is an ACPI (Advanced Configuration and Power Interface) hardware ID that identifies the .

The hardware ID refers to the UCM-UCSI ACPI Device , which is the software interface for managing USB Type-C connectors on a computer. Technical Role Framework Community Below is a guide on how

pnp0ca0 is a . In the world of PC hardware, every component needs a unique name so the operating system can find and communicate with it. PnP IDs are standardized codes that adhere to the format PNPxxxx , where "PNP" (a prefix controlled by Microsoft) indicates a standard device, and the following characters specify the exact type.

, which handles how your hardware and operating system talk to each other about power management.

: USB Type-C Connector System Software Interface —the standardized interface allowing an OS to talk to an Embedded Controller (EC).

If you are trying to find the driver manually, the device typically matches these hardware IDs in Device Manager: ACPI\PNP0CA0 ACPI\USBC000 ACPI\VEN_ITE&DEV_8853 (Common on ASUS ROG systems)

If using a desktop, flip the physical power switch on the back of the power supply unit (PSU).