How did you obtain that dtc number? That is not a valid Hyundai trouble code number for the airbag system. Below is complete list of valid trouble code numbers:
Click here to open and download> TROUBLE CODE NUMBERS
The above is from Hyundai service site. B0200 is not a legitimate code. You need to check in your genesys booklet to see if it is a generic code. I have read thru all of Hyundai service manual srs diagnostic section and there is no reference at all to a B0200 anywhere in it.
Ok, let me know how it goes