Can not communicate with EWS module when trying to get a new key

[Jakal702]

Hello,
I recently posted on another forum about getting a new key at the dealer that will not start my car. Due to lack of responses, I’m posting here hoping someone can help me! To sum up my experience so far, I got a new key that will do all functions except start the car. The dealer tells me that the key was coded correctly but they also say they cannot read the EWS to code the key (is there anyone else who thinks this is inconsistent and doesn't make any sense?) and they also say that this is caused by water building up and shorting out my main fuse box in the car. They also told me that the EWS is located in the trunk, and the main fuse box is under my passenger seat, and the water there is blocking the communication to the EWS (which I know is incorrect because the EWS is located in the driver footwell under the steering wheel)

I went home and tried to use my copy of INPA/ and NCS expert to read the EWS and it also says no response from the EWS.

Dealer says they can't do anything else because -the key was "coded correctly" -they cannot access the EWS to see if the key was coded correctly (again inconsistent)
-they cannot tell if the key is faulty and warranty it because they don't know if it's the key being bad, or the car not accepting the key and the EWS not getting any power

Here's what doesn't make sense to me
-how could the dealer know if the key was coded correctly if they can't access the EWS?
-how could the EWS not be receiving any voltage, but the car still starts with the original key? (I tested this by removing the fuse for the immobilizer- car didn't start at all- when fuse was replaced, it started with the original key, and I was in the same situation)

This all confuses me because I also cannot communicate with the ews, but the car still starts

Can anyone offer any feedback? Anything will be much appreciated, as the dealer wants to charge me six hours of labor to clean out the water which is supposedly located under my front passenger seat and causing all of these problems

Thanks in advance!