You could pop them out and see if there's any water in the weather pack connector. The larger rectangular yaw sensor seemed to be sealed when I was looking at it. I took any module apart that would come apart to make sure there wasn't any moisture on that side from when I trailered the car home.
This is the sensor I'm talking about:
The small round sensor I'm guessing is a crash sensor maybe? Not 100% sure on that. The larger rectangular one is the yaw accelerometer sensor.
This is the sensor I'm talking about:

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The small round sensor I'm guessing is a crash sensor maybe? Not 100% sure on that. The larger rectangular one is the yaw accelerometer sensor.