Air Bag Warning Light Remains On
WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
DTC 0 (zero) is indicated when AIR BAG warning light remains on all the time while ignition is turned on. See AIR BAG WARNING LIGHT REMAINS ON AFTER IGNITION IS TURNED ON under DIAGNOSTIC TESTS.