09 Nissan Sentra 2.0 wife let the babysitter use it to go somewhere she hydroplaned went into the ditch submerged the car water tow truck brought it home I dried it out and I started it it started it died now when I hook my OBD reader to it it says no connection with the BCM and it won't start won't turn over and the theft light keeps blinking any clues please let me know