---
title: kIOPCIUncorrectableErrorBitTLPPrefixBlocked
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1640328-anonymous/kiopciuncorrectableerrorbittlpprefixblocked
---

# kIOPCIUncorrectableErrorBitTLPPrefixBlocked

## Declaration

```occ
kIOPCIUncorrectableErrorBitTLPPrefixBlocked = 25
```