Consent Mode v2 and GA4: what changed and what to check
From 15 June 2026, Consent Mode is the only control that decides whether GA4 collects data for Google Ads, while the Google Signals setting only affects reporting. That means a badly configured cookie banner now directly reduces or distorts the data your advertising receives. Check the defaults, the four signals and a Tag Assistant test, then compare the numbers before and after the change.