---
title: FIELD_REPLACEABLE_UNIT_CODE
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: driverkit/scsi_sense_data/3583327-field_replaceable_unit_code
---

# FIELD_REPLACEABLE_UNIT_CODE

## Declaration

```occ
UInt8 FIELD_REPLACEABLE_UNIT_CODE;
```