---
title: "PUT /runMode/{mode}"
method: PUT
path: "/runMode/{mode}"
---

# PUT /runMode/{mode}

`PUT /runMode/{mode}`

Set the run mode of the TBU's FAN stack

## Path parameters

- `mode` 0 | 1 | 2, required

## Response `200`

runMode change was executed successfully

## Other responses

- `400` — Illegal runMode was specified
- `401` — Illegal transition was specified
- `default` — Unknown error occurred

## Changes

- **2026-07-17** `8475de394ee2` — 1 info
  - added the non-success response with the status `401`
- **2023-07-24** `11bc7842d64c` — 1 info
  - removed the non-success response with the status `401`

[Change history](https://skmtc.dev/siliconlabs/apis/tbu-api/changes/runMode/:mode/put.md)

---

[API](https://skmtc.dev/siliconlabs/apis/tbu-api.md) · [All operations](https://skmtc.dev/siliconlabs/apis/tbu-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/siliconlabs/tbu-api/revisions/8475de394ee2/schema)