Tado not working after upgrading 2025.3.4

[rooneyds01]

The problem

Hello

Tado integration is not working after I updated to 2025.3.4

It wouldn't load in after update and when I tried deleting the integration and relogging in. It says unexpected error.

What version of Home Assistant Core has the issue?

2025.3.4

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

No response

Link to integration documentation on our website

No response

Diagnostics information

No response

Example YAML snippet

Anything in the logs that might be useful for us?

Additional information

No response

[home-assistant]

Hey there @erwindouna, mind taking a look at this issue as it has been labeled with an integration (tado) you are listed as a code owner for? Thanks!

Code owner commands

Code owners of tado can trigger bot actions by commenting:

• @home-assistant close Closes the issue.
• @home-assistant rename Awesome new title Renames the issue.
• @home-assistant reopen Reopen the issue.
• @home-assistant unassign tado Removes the current integration label and assignees on the issue, add the integration domain after the command.
• @home-assistant add-label needs-more-information Add a label (needs-more-information, problem in dependency, problem in custom component) to the issue.
• @home-assistant remove-label needs-more-information Remove a label (needs-more-information, problem in dependency, problem in custom component) on the issue.

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[thecode]

Tado has changed their authentication method and the fix is on its way. More information can be found here: #140761