Odd behavior with comfort access on passenger door only

[CERIALPHREAK]

Curious if anyone else has run into this:

For some reason comfort access (where you unlock the car by grabbing the door handle) seems to stop working on the passenger door overnight. It will always work on the drivers door, always unlocks when I hit the button on the fob, and if I use it on the drivers door then lock the car it will start working on the passenger door as if it woke up or something.

I've seen people report issues with the antennas or oscillators but it seemed like those reports were all or nothing so I'm not confident it's the same issue here. It almost feels intentional like a power saving or security measure.

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[CERIALPHREAK]

Update: this seems to be caused by battery drain. I had my radar detector wired to power that did not turn on/ off with the ignition so it was staying on 24/7. Once I corrected the situation the passenger side comfort access behaves as expected.