Google is rewiring your ad account this month whether you touch it or not

A gym owner in Noblesville pays $600 a month to run Google Search ads for new memberships. He built the campaign two summers ago, turned on the broad match setting because a rep told him to, and has not opened the settings tab since. Google is about to rewire that campaign, and he does not get a vote.

Starting this month, Google is auto-upgrading Search campaigns that use Dynamic Search Ads, automatically created assets, or the campaign-level broad match setting into a single AI-driven system called AI Max. If your account uses any of the three, Google flips it over by the end of September. Google announced the shift in April 2026 and confirmed the September timeline again in an update posted June 11.

What is AI Max, and why should a shop that just wants leads care?

AI Max folds three older Google Ads features (Dynamic Search Ads, automatically created assets, and broad match) into one system. Instead of matching only the keywords you typed, it uses your ads and your website content to find what Google calls "untapped queries," writes new headline text on the fly, and can send a click to a page other than the one you picked when you built the campaign.

That last part is the trade a lot of owners will not notice until it has already happened. For the gym in Noblesville, an ad meant to sell annual memberships could get matched to "yoga classes near me" and land the click on the class schedule page instead of the signup page the campaign was built around. Google says the payoff is real: accounts running the full AI Max feature set saw an average of 7 percent more conversions or conversion value at a similar cost per lead than accounts using keyword matching alone, according to Google's own internal 2026 data for non-retail advertisers. That is Google grading its own homework, and it is the only number available so far.

What should you check before Google flips the switch?

1. Log into Google Ads now and look through your campaign settings for "Dynamic Search Ads," "automatically created assets," or "broad match." If any of the three shows up, your account is on the list for September.
2. Set text guidelines before the upgrade, not after. This is the control that stops the AI from writing a headline claim you never approved: a price, a guarantee, or a "best in Indianapolis" line your lawyer would not sign off on.
3. Check final URL expansion. Decide whether you want Google sending clicks to pages other than the one your campaign was built around. Turn it off if your site has a page you do not want cold traffic landing on, like an old blog post or a page still under construction.
4. Run a one-click experiment first. Google's own testing tool lets you split traffic between your current setup and AI Max for a couple of weeks before you commit. Watch cost per lead, not just the conversion count Google shows you by default.

Not every account needs to fight the upgrade. The used-car lot in Zionsville we built a site for last year runs Dynamic Search Ads on purpose, because new inventory rolls onto the lot every week and nobody has time to write a new headline for each car. Google built DSA for exactly that case, and it is keeping the feature around longer than first planned: Google had scheduled the full DSA sunset for this fall, then pushed it to February 2027 after advertisers pushed back. The catch is narrower than a full shutdown. Starting this month, you can no longer build a new Dynamic Search Ads campaign from scratch in Google Ads, Google Ads Editor, or the API. Existing DSA campaigns keep running under their old settings until the 2027 date, and Google mirrors those settings into AI Max automatically.

None of this requires an agency or a plugin. It requires ten minutes in a settings tab you have probably not opened since the campaign went live. Do it before Google does it for you.

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Sources

#	Source	What it backed up
1	We're upgrading Dynamic Search Ads to AI Max (Google Ads blog)	The September auto-upgrade timeline, the 7% conversion claim, and the DSA sunset delay to February 2027.
2	AI Max upgrade eligibility and feature mapping (Google Ads Help)	Which campaigns qualify for auto-upgrade and how legacy settings carry over.
3	Text guidelines for AI Max (Google Ads Help)	The control that restricts AI-written headline text.
4	About Dynamic Search Ads (Google Ads Help)	How DSA pulls ad content from a website, background for the used-car lot example.
5	One-click experiments (Google Ads Help)	The testing tool recommended before fully committing to AI Max.