I have an 00 that was recalled for something like that, and this was after my airbag light came on. I still have a disconnected wire as well under my drivers seat. This is what I found for the 2002 Sonata at
http://www.mycarstats.com//////////////////////////////////////////////////////////////////////////////////////////
NHTSA Recall Campaign Number: 02V145000
Component: AIR BAGS:SIDE/WINDOW
Details: ON CERTAIN PASSENGER VEHICLES, THE SUPPLEMENTAL RESTRAINT SYSTEM (SRS) SIDE IMPACT AIR BAG SATELLITE SENSORS MAY BE TOO SENSITIVE TO SOME LATERAL ACCELERATIONS THAT ARE NOT CAUSED BY SIDE IMPACTS TO THE VEHICLE, SUCH AS FORCEFULLY SLAMMING A DOOR CLOSED.
Consequence: INADVERTENT DEPLOYMENT OF A SRS SIDE IMPACT AIR BAG WHEN A SIDE IMPACT CRASH HAS NOT OCCURRED COULD INCREASE THE RISK OF INJURY TO THE SEAT OCCUPANT.
Corrective Action: DEALERS WILL REPLACE THE SIDE IMPACT AIR BAG SATELLITE SENSORS. OWNER NOTIFICATION BEGAN JULY 8, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT HYUNDAI AT 1-800-633-5151.
Units Potentially Affected: 43162
Recall Initiated By: MFR
Date added to NHTSA datbase: 06/03/2002
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Steve