Honda Fit gd 1 cvt suddenly won't accelerate, after how many seconds turns back to normal

I have encountered new problem with my car: Honda Fit gd 1 cvt.

Going home I ran into small flood (water level is not high, just around the side skirts). Every time there is a flood the car won’t accelerate. RPMs already reaching 4k. After how many seconds (10 secs or more) it turns back to normal. Already scanned: no issues. No dashboard errors. I’m confused because I’ve already encountered many floods. Worse case is O2 sensor gets wet I think, and there is the error from dashboard. I just removed the battery and the CEL disappears. Today is different. It occurs many times and no errors. Water level is not that high.
What is the possible problem? I’m afraid it may getting even more worse.