Troubleshoot connecting a Nest thermostat to the Nest app or Wi-Fi network (Other TD error codes)

This article applies to the following Google Nest thermostats models:

Nest Thermostat

Nest Thermostat E

Nest Learning Thermostat
(3rd gen or earlier)

Nest Thermostat 3/4ths view Nest thermostat e cooling

Nest thermostat heating with silver ring

How to tell which thermostat you have

To troubleshoot Nest Learning Thermostat (4th gen), go to Nest Thermostat is offline.

 

If your Nest thermostat has issues connecting to the Nest app or Wi-Fi network, you may get one or both of the following:

  • A TD error in the Nest app, such as TD008 or TD013
  • The m15 error on your thermostat screen

Below are some steps you can take if you’ve just installed your Google Nest thermostat or have replaced it and can't add it to your account or get it online.

Error codes

If you get one of these error codes, select it to view specific troubleshooting steps.

TD003

TD004

TD009

TD018

TD023

TD030

If you get one of these errors, or no error at all, check below for some steps to help you add your Nest thermostat to the Nest app.

TD001

TD003

TD004

TD005

TD006

TD007

TD008

TD010

TD011

TD012

TD013

TD014

TD015

TD016

TD017

TD019

TD020

TD021

TD022

TD023

TD030

General troubleshooting steps

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