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The Google Analytics: GA4 Configuration tag is now the Google tag. GA4 Configuration tags in a web container will be automatically migrated starting in September. There are no changes to your existing measurement and there is no action required from you. Learn more

Set up and manage consent

Troubleshoot consent mode

This article is for users who have implemented consent mode on their website.

Consent mode is a vital part of measurement, as it ensures that you honor your user’s privacy choices. However, your measurement setup can be affected by a faulty consent mode implementation or if there isn’t enough data to enable consent mode modeling.

What to expect when a consent mode is enabled

When consent mode is enabled, all data you send to Google has consent information attached. If you didn’t have consent mode implemented on your website before, you might see an uplift in conversions.

Consent mode needs to be implemented for at least 7 full days and meet certain data thresholds until you see impact results in Google Ads. Learn more About consent mode impact results.

How to troubleshoot consent mode issues

To check for errors in your consent implementation, use Tag Assistant to Verify consent mode implementation.

Select an issue to see troubleshooting instructions.

Default consent not set

Setting a consent default for all consent mode parameters helps you efficiently manage your tag behavior based on your standard consent banner implementation. Learn more about Google's consent requirements.

If you use a consent management platform (CMP) to load a consent banner, make sure that you set default values for at least the following parameters:

  • ad_storage
  • analytics_storage
  • ad_user_data
  • ad_personalization

If you maintain your own banner, check out the developer documentation to learn about setting consent defaults.

Default consent set too late

The website needs to set the default consent state before any tags or other code uses or updates consent. Setting the default too late may not have the anticipated effect. Learn more about Google's consent requirements.

If you use a consent management platform (CMP) to load a consent banner, make sure that your consent banner loads before your Google tag sends any data. 

If you maintain your own banner, learn when to set consent defaults.

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