Pnp0ca0 Jun 2026

The PNP0CA0 ID corresponds to the . Specifically, it is defined in the Advanced Configuration and Power Interface (ACPI) standard as a way for the Windows operating system to communicate with the embedded controller (firmware) of your computer regarding USB-C functions. Core Functions

Since the failure frequently stems from a locked Embedded Controller, draining all physical power forces the EC to reboot its internal firmware.

In the ACPI namespace, this device often appears with a of USBC000 and a Compatible ID (_CID) of PNP0CA0 . pnp0ca0

Press Windows Key + R , type msinfo32 , and press Enter to check your current .

Because PNP0CA0 relies on the computer’s Embedded Controller (EC), a standard software reboot might not clear an underlying hardware lock. Shut down your PC completely. The PNP0CA0 ID corresponds to the

One common point of confusion is mistaking pnp0ca0 for a separate error with the code 0x000000CA or PNP_DETECTED_FATAL_ERROR . While they are different, they can be related.

Safely dictates whether your laptop acts as a Host (pulling data from a flash drive) or a Client (acting as a media source), or a power consumer versus a power provider. In the ACPI namespace, this device often appears

Managing how much power your device sends to or receives from connected USB-C devices.

If ((USTC == One)) (UCMS == 0x02)))

The hardware ID is the universal Plug and Play (PnP) identifier for the UCM-UCSI ACPI Device Go to product viewer dialog for this item.

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