My understanding is that you need a scan tool to reset the Airbag Light. I
do not think the standard OBD II scan tool will do it, but I could be
mistaken on that point.
The airbag system is a "safety of flight" system, and it is not possible for
the system to be reset without intervention, that is, it can not reset
itself even if the failure mode has been corrected. (Some systems will reset
themselves once the failure is fixed, the airbag is not one of these
Disconnecting the airbag, and turning the Ignition ON will cause the error
to be set. In reality, disconnecting any number of items in the system and
turning the ignition on will cause the error to be set. Most commonly people
will disconnect a seat switch and set the airbag light.
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