Yes, it says it’s false. Here’s the pertinent line:

identifies whether they may be impaired and prevents or limits motor vehicle operation “if an impairment is detected.”

That’s called a killswitch.

On the law itself, it’s Section 24220 - b - 1 - a - ii AND 24220 - b - 1 - b - ii

Just a reminder that fact checkers blatantly lie, and will even tell you they’re lying. It takes like two minutes to fact check laws like this.