Air Bag Code Help, Please

Greetings from Cleveland, where it's October already! I have a '92 A'star, daily driver, 138K, runs great, with the usual problems (a bit of the dreaded 'tin worm', driver's seat a bit smooshed down, you know the routine) and an odd thing happened yesterday. The airbag light started throwing a code 2-4 for about 15 minutes and then stopped. First and only time it's done that. Anyone out there know what it was trying to tell me? Thanks.

Brad

i think 2-4 is the ecu. it's behind the center console on the floor. it could be defective, or a loose connection.